Hybrid Inflation

Abstract

Usually inflation ends either by a slow rolling of the inflaton field, which gradually becomes faster and faster, or by a first-order phase transition. We describe a model where inflation ends in a different way, due to a very rapid rolling (`waterfall') of a scalar field $\sigma$ triggered by another scalar field $\varphi$. This model looks as a hybrid of chaotic inflation and the usual theory with spontaneous symmetry breaking. Another hybrid model to be discussed here uses some building blocks from extended inflation (Brans-Dicke theory), from new inflation (phase transition due to a non-minimal coupling of the inflaton field to gravity) and from chaotic inflation (the possibility of inflation beginning at large as well as at small $\sigma$). In the simplest version of this scenario inflation ends up by slow rolling, thus avoiding the big-bubble problem of extended inflation.

13 p., SU-ITP-93-17, LaTeX (the first part is extended)

References in corpus (2)

• The Cold Dark Matter Density Perturbation
• Graceful Exit in Extended Inflation and Implications for Density Perturbations

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• Constraining the Cosmic Strings Gravitational Wave Spectra in No Scale Inflation with Viable Gravitino Dark matter and Non Thermal Leptogenesis
• Modified Lyth bound and implications of BICEP2 results
• Inflation at the TeV scale with a PNGB curvaton
• Tachyon inflation with steep potentials
• Exciting gauge field and gravitons in a brane-anti-brane annihilation
• Inflation from High-Scale Supersymmetry Breaking
• Quintessential Inflation from Lorentzian Slow Roll
• Weak gravity conjecture constraints on inflation
• Inflationary Solutions in Nonminimally Coupled Scalar Field Theory
• Aspects of Stability and Phenomenology in Type IIA Orientifolds with Intersecting D6-branes
• Trans-Planckian Censorship and Inflation in Grand Unified Theories
• Les Houches lectures on inflationary observables and string theory
• Density fluctuations in one-field inflation
• A Higgs Mechanism for Gravity. Part II: Higher Spin Connections
• Semi-shifted hybrid inflation with B-L cosmic strings
• Natural Inflation in SUSY and Gauge-Mediated Curvature of the Flat Directions
• Hybrid Quasi-Single Field Inflation
• Chaotic Dynamics and Two-Field Inflation
• Gravity waves and the LHC: Towards high-scale inflation with low-energy SUSY
• New smooth hybrid inflation
• Emergent Semiclassical Time in Quantum Gravity. Full Geometrodynamics and Minisuperspace Examples
• Inflationary magneto-(non)genesis, increasing kinetic couplings, and the strong coupling problem
• Optimizing future experimental probes of inflation
• Lectures on Reheating after Inflation
• Scalar field dark matter and dark energy: a hybrid model for the dark sector
• Brane Annihilations during Inflation
• Hybrid Inflation in Supergravity with $(SU(1,1)/U(1){)}^m$ Khler Manifolds
• Constraints from primordial black hole formation at the end of inflation
• Evading the Lyth Bound in Hybrid Natural Inflation
• Dark neutrino interactions make gravitational waves blue
• Inflation in a Web
• Irreversible thermodynamical description of warm inflationary cosmological models
• Axion Isocurvature Perturbations in Low-Scale Models of Hybrid Inflation
• Tensor Spectra Templates for Axion-Gauge Fields Dynamics during Inflation
• Atmospheric Neutrino Anomaly and Supersymmetric Inflation
• A Back-reaction Induced Lower Bound on the Tensor-to-Scalar Ratio
• Nonabelian Bosonic Currents in Cosmic Strings
• Fine-Tuning Solution for Hybrid Inflation in Dissipative Chaotic Dynamics
• Hybridized Affleck-Dine baryogenesis
• Post-inflationary behavior of adiabatic perturbations and tensor-to-scalar ratio
• Inflation with large supergravity corrections
• Curvature perturbation and waterfall dynamics in hybrid inflation
• Seeing through the String Landscape - a String Hunter's Companion in Particle Physics and Cosmology
• Correlating CMB Spectral Distortions with Temperature: what do we learn on Inflation?
• Can Inflation solve the Hierarchy Problem?
• Non-Abelian Black Holes in Brans-Dicke Theory
• Polonyi Inflation
• A Density Spike on Astrophysical Scales from an N-Field Waterfall Transition
• Predictions in multifield models of inflation
• TASI Lectures: Cosmology for String Theorists
• Fast Analytic Computation of Cosmic String Power Spectra
• Hybrid Natural Inflation
• Inflating with Baryons
• A Tale of Two Timescales: Mixing, Mass Generation, and Phase Transitions in the Early Universe
• Leptogenesis through direct inflaton decay to light particles
• Production of gravitational waves during preheating with nonminimal coupling
• Preheating in Derivatively-Coupled Inflation Models
• Studies in Small Field Inflation
• Inhomogeneous viscous fluids for inflation
• Tilted Hybrid Inflation
• The Chaotic Regime of D-Term Inflation
• Study of Goldstone Inflation in the domain of Einstein-Gauss-Bonnet gravity
• Reconstructing large running-index inflaton potentials
• Relic gravitons and high-frequency detectors
• Multiple Inflationary Stages with Varying Equation of State
• Hybrid Inflation from Supersymmetric SU(5)
• Exit from Inflation with a First-Order Phase Transition and a Gravitational Wave Blast
• Local Features with Large Spiky non-Gaussianities during Inflation
• Slow Roll during the Waterfall Regime: The Small Coupling Window for SUSY Hybrid Inflation
• Attractive vs. repulsive interactions in the Bose-Einstein condensation dynamics of relativistic field theories
• Brane Inflation, Solitons and Cosmological Solutions: I
• A Signature of Inflation from Dynamical Supersymmetry Breaking
• Non-equilibrium Goldstone phenomenon in tachyonic preheating
• Starting inflation from inhomogeneous initial conditions with momentum
• Symmetry breaking and the onset of cosmic acceleration in scalar field models
• A tensor theory of space-time as a strained material continuum
• Inflationary Potential from 21 cm Tomography and Planck
• D-term Inflation in Type I String Theory
• Enlarging the parameter space of standard hybrid inflation
• Dante's Waterfall
• Cosmology from Moduli Dynamics
• Flipped GUT Inflation
• Dynamical axion misalignment with small instantons
• Initial conditions and sampling for multifield inflation
• Gravitating monopole and its black hole solution in Brans-Dicke Theory
• Fields Annihilation and Particles Creation in DBI inflation
• Exploring Critical Overdensity Thresholds in Inflationary Models of Primordial Black Holes Formation
• Scaling property and peculiar velocity of global monopoles
• Degenerate Neutrinos and Supersymmetric Inflation
• Phantom Inflation with A Steplike Potential
• The Classical Stability Of The Ghost Condensate
• Goldstone excitations from spinodal instability
• Grand Unification and Subcritical Hybrid Inflation
• D-term inflation in braneworld models: Consistency with cosmic-string bounds and early-time Hubble tension resolving models
• Standard-smooth hybrid inflation
• Field Evolution leading to hybrid inflation
• Observational Constraints on Hybrid Scale Factor in f(Q,T) Gravity with Anisotropic Space-Time
• Reheating with a Composite Higgs
• Affleck-Dine leptogenesis via right-handed sneutrino fields in a supersymmetric hybrid inflation model
• Large tensor-to-scalar ratio and running of the scalar spectral index with Instep Inflation
• Note on Reheating in G-inflation
• Polynomial Hybrid Inflation
• Constraining Modular Inflation in the MSSM from Giant Q-Ball Formation
• Evolution of perturbations in distinct classes of canonical scalar field models of dark energy
• Classical and quantum exact solutions for a FRW in chiral like cosmology
• An unified cosmological evolution driven by a mass dimension one fermionic field
• Composite Hybrid Inflation: Dilaton and Waterfall Pions
• Observable Gravitational Waves from Hyperkination in Palatini Gravity and Beyond
• Uncertainties in primordial black-hole constraints on the primordial power spectrum
• Coupling dark energy with Standard Model states
• Non-thermal production of lepton asymmetry and dark matter in minimal seesaw with right handed neutrino induced Higgs potential
• Cosmic backgrounds of relic gravitons and their absolute normalization
• Primordial Black Holes and Scalar-induced Gravitational Waves in Radiative Hybrid Inflation
• Inhomogeneous reheating scenario with low scale inflation and/or MSSM flat directions
• Canonical and phantom scalar fields as an interaction of two perfect fluids
• On the primordial black hole formation in hybrid inflation
• Chaotic inflation in higher derivative gravity theories
• Termination of the Phase of Quintessence by Gravitational Back-Reaction
• Eliminating the eta-problem in SUGRA Hybrid Inflation with Vector Backreaction
• Dynamically Generated Inflation from Non-Riemannian Volume Forms
• Gravitational-wave signatures from reheating
• Theoretical and observational constraints on Tachyon Inflation
• F-term inflation in Superstring Theories
• Hybrid inflation and waterfall field in string theory from D7-branes
• Analytical Study of Mode Coupling in Hybrid Inflation
• Non-thermal leptogenesis via direct inflaton decay without SU(2)(L) triplets
• The effects of the small-scale behaviour of dark matter power spectrum on CMB spectral distortion
• Fine-tuning criteria for inflation and the search for primordial gravitational waves
• Induced fermionic currents in de Sitter spacetime in the presence of a compactified cosmic string
• Cosmic String Dynamics and Evolution in Warped Spacetime
• Chaotic inflation in supergravity and cosmic string production
• Hybrid inflation with moduli stabilization and low scale supersymmetry breaking
• Further Refining Swampland dS Conjecture in Mimetic f(G) Gravity
• The Scale Factor Potential Approach to Inflation
• On the degree of scale invariance of inflationary perturbations
• Spinodal effect in the natural inflation model
• New Inflation in Supersymmetric SU(5) and Flipped SU(5) GUT Models
• Inflation and the dwarf galaxy problem
• Realizations of Hybrid Inflation in Supergravity with natural initial conditions
• Hybrid Inflation and the Moduli Problem
• Neutrino mass, dark matter and inflation
• $k$-Inflation-corrected Einstein-Gauss-Bonnet Gravity with Massless Primordial Gravitons
• Inflation Driven by Unification Energy
• Entropy Fluctuations in Brane Inflation Models
• Complex Scalar Field Reheating and Primordial Black Hole production
• ISS-flation
• Waterfall stiff period can generate observable primordial gravitational waves
• Singularity free dilaton-driven cosmologies and pre-little-bang
• What initial condition of inflation would suppress the large-scale CMB spectrum?
• Minimalism in Inflation Model Building
• Minimal Noncanonical Cosmologies
• Non-Gaussianity constrains hybrid inflation
• Out-of-equilibrium evolution of quantum fields in the hybrid model with quantum back reaction
• Inflation from Supersymmetric Quantum Cosmology
• Coupled currents in cosmic strings
• "Phantom" Inflation in Warped Compactification
• Inflation with Planck: a survey of some "exotic" inflationary models
• WI2easy: warm inflation dynamics made easy
• The lessons from the running of the tensor-to-scalar ratio
• Inflation in the general Poincaré gauge cosmology
• Hierarchies of Susy Splittings and Invisible Photinos as Dark Matter
• D-Oscillons in the Standard Model-Extension
• Evading the pulsar constraints on the cosmic string tension in supergravity inflation
• Scalar field dark energy perturbations and the Integrated Sachs Wolfe effect
• Gravitational wave generation in hybrid quintessential inflationary models
• Superconformal Subcritical Hybrid Inflation
• Decoupling, Trans-Planckia and Inflation
• No-Scale $\mu$-Term Hybrid Inflation
• Dynamically Generated Inflationary Lambda-CDM
• Unified Model for Inflation and Dark Energy with Planck-Scale Pseudo-Goldstone Bosons
• Viable inflationary models ending with a first-order phase transition
• D=5 M-theory radion supermultiplet dynamics
• Degravitation, Inflation and the Cosmological Constant as an Afterglow
• Bosonic condensates in realistic supersymmetric GUT cosmic strings
• Instant nonthermal leptogenesis
• Identifying the inflaton with primordial gravitational waves
• Topological Defects and Inflation
• Hilltop Supernatural Inflation and Gravitino Problem
• Harmonic Hybrid Inflation
• Successfully combining SUGRA hybrid inflation and moduli stabilisation
• Multi-field cold and warm inflation and the de Sitter swampland conjectures
• MSSM-inspired multifield inflation
• Curvaton and the inhomogeneous end of inflation
• Warm inflation with a heavy QCD axion
• Nonlinear curvature perturbations in an exactly soluble model of multi-component slow-roll inflation
• Gravitino Dark matter, Non Thermal Leptogenesis and Low reheating temperature in No-scale Higgs Inflation
• Smooth hybrid inflation in light of ACT DR6 data
• Sneutrino driven GUT Inflation in Supergravity
• D--term Inflation at the TeV Scale and Large Internal Dimensions
• Inflection point inflation and dark energy in supergravity
• Comparing geometric and gravitational particle production in Jordan and Einstein frames
• Stochastic inflation and primordial black holes
• Embedding DBI inflation in scalar-tensor theory
• How Thermal Inflation can save Minimal Hybrid Inflation in Supergravity
• Massless Preheating and Electroweak Vacuum Metastability
• No-scale supergravity from higher dimensions
• Heavy Particles from Inflation
• Constraining Hybrid Natural Inflation with recent CMB data
• Bound on largest $r\lesssim 0.1$ from sub-Planckian excursions of inflaton
• Bosonic structure of realistic SO(10) SUSY cosmic strings
• Complex Hybrid Inflation and Baryogenesis
• Warm inflation with non-comoving scalar field and radiation fluid
• Smooth crossing of $w_{\Lambda }=-1$ line in a single scalar field model
• Canonical Scalar Field Inflation with a Woods-Saxon Potential
• Inflation in Supersymmetric Cosmic String Theories
• Density Perturbations in Hybrid Inflation Using a Free Field Theory Time-Delay Approach
• Coupled scalar fields in a flat FRW universe: renormalisation
• Bianchi type I model with two interacting scalar fields
• Primordial Clocks within Stochastic Gravitational Wave Anisotropies
• Baryogenesis via gauge field production from a relaxing Higgs
• Particle Physics Approach to Dark Matter
• Holographic Inflation
• Power suppression from disparate mass scales in effective scalar field theories of inflation and quintessence
• Remote Inflation as hybrid-like sneutrino/MSSM inflation
• The B-L Phase Transition: Implications for Cosmology and Neutrinos
• Bayesian analysis of white noise levels in the 5-year WMAP data
• Fingerprints of Anomalous Primordial Universe on the Abundance of Large Scale Structures
• Textures and Semi-Local Strings in SUSY Hybrid Inflation
• Self-accelerating solutions of scalar-tensor gravity
• F-term Braneworld inflation in Light of Five-year WMAP observations
• New Horizons in Cosmology with Spectral Distortions of the Cosmic Microwave Background
• A simple model for explaining Galaxy Rotation Curves
• Axion and Right-handed Neutrino in the Minimal SUSY SO(10) Model
• Realistic Hybrid Inflation in 5D Orbifold SO(10) GUT
• Pseudosmooth Tribrid Inflation
• F-Term Hybrid Inflation, the η-problem and Extra Dimensions
• Dynamics of Cosmological Perturbations in Multi-Speed Inflation
• A Universal Bound on Excitations of Heavy Fields during Inflation
• Composite Inflation confronts BICEP2 and PLANCK
• New developments on embedding inflation in gauge theory and particle physics
• The Measure for the Multiverse and the Probability for Inflation
• Quantum Higgs Inflation
• Primordial Black Holes and Scalar-induced Gravitational Waves in Sneutrino Hybrid Inflation
• Power spectrum of density fluctuations, halo abundances and clustering with primordial black holes
• CMB and Large Scale Structure as a test of Mixed Models with n>1
• Delaying the waterfall transition in warm hybrid inflation
• Qualitative analysis and characterization of two cosmologies including scalar fields
• Geometric structure of multi-form-field isotropic inflation and primordial fluctuations
• Microwave background anisotropies in quasiopen inflation
• Energy Conditions in Gauss-Bonnet Gravity
• Natural Hybrid Inflation Model with Large Non-Gaussianity
• Constraining hybrid inflation models with WMAP three-year results
• Unified Model of Chaotic Inflation and Dynamical Supersymmetry Breaking
• Study in the noncanonical domain of Goldstone inflation
• Large and small field inflation from hyperbolic sigma models
• Curvaton Potential Terms, Scale-Dependent Perturbation Spectra and Chaotic Initial Conditions
• Resonant Reconciliation of Convex Models and the Planck
• Observable tensor-to-scalar ratio and secondary gravitational wave background
• Gravitational Waves from Double Hybrid Inflation
• Inflation from radion gauge-Higgs potential at Planck scale
• No-scale hybrid inflation with R-symmetry breaking
• Detectable Gravitational Waves from preheating probes non-thermal Dark Matter
• Gravity and non-gravity mediated couplings in multiple-field inflation
• Modified hybrid inflation, reheating and stabilization of the electroweak vacuum
• Radiative Symmetry breaking, Cosmic Strings and Observable Gravity Waves in $U(1{)}_R$ symmetric $SU(5)\times U(1{)}_{\chi }$
• The Origin of the Large-Scale Structure in the Universe: Theoretical and Statistical Aspects
• The end of locked inflation
• Stochastic inflation with gradient interactions
• Anisotropic Born-Infeld-f(R) Cosmologies
• Inflationary equilibrium configurations of scalar-tensor theories of gravity
• Primordial gravitational wave of BICEP2 from dynamical double hybrid inflation
• Planck Scale Physics, Gravi-Weak Unification and the Higgs Inflation
• Chaotic Symmetry Breaking and Dissipative Two-Field Dynamics
• Relic gravitational waves
• Spectrum of density fluctuations in Brans-Dicke chaotic inflation
• "Old" Locked Inflation
• Generically large nongaussianity in small multifield inflation
• "Semi-Realistic" F-term Inflation Model Building in Supergravity
• Dependence of the amplitude of gravitational waves from preheating on the inflationary energy scale
• Axion-driven hybrid inflation over a barrier
• Super-horizon cosmic string correlations
• Gravitational waves from inflation with antisymmetric tensor field
• D-term inflation in D-brane cosmology
• Generalised inflation with a gravitational wave background
• Correlated curvature perturbations and magnetogenesis from the GUT gauge bosons
• Non-minimally coupled hybrid inflation
• Coupling the Inflationary Sector to Matter
• Hyperbolic inflationary model with nonzero curvature
• Dark energy in hybrid inflation
• Causal perturbation theory in general FRW cosmologies I: energy momentum conservation and matching conditions
• Non-thermal Gravitino Production in Tribrid Inflation
• Pure Gravity Mediation and Chaotic Inflation in Supergravity
• Cosmological models with gauge fields
• A Permutation on Hybrid Natural Inflation
• Loop corrections to primordial fluctuations from inflationary phase transitions
• Topological Inflation with Large Tensor-to-scalar Ratio
• Large Scale Cosmic Perturbation from Evaporation of Primordial Black Holes
• Dynamical Cosmological Constant from A Very Recent Phase Transition
• Quantum Smearing in Hybrid Inflation with Chaotic Potentials
• Non-equilibrium Higgs transition in classical scalar electrodynamics
• Monopole Inflation in Brans-Dicke Theory
• A primer on the ekpyrotic scenario
• Supersymmetric hybrid inflation with non-minimal coupling to gravity
• Limits on the gravity wave contribution to microwave anisotropies
• Testing kinetically coupled inflation models with CMB distortions
• The Andante Regime of Scalar Field Dynamics
• Radion stabilization in the presence of Wilson line phase
• Testing Inflation: A Bootstrap Approach
• About the isocurvature tension between axion and high scale inflationary models
• Big Bang Nucleosynthesis constraints on the cosmological evolution in a Universe with a Weylian Boundary
• Decaying D-branes and Moving Mirrors
• Cosmic superstrings in large volume compactifications: PTAs, LISA and time-varying tension
• Testing for Features in the Primordial Power Spectrum
• The spectrum of Gravitational Waves, their overproduction in quintessential inflation and its influence in the reheating temperature
• Updated Constraints on Large Field Hybrid Inflation
• Intermediate Scale Supersymmetric Inflation, Matter and Dark Energy
• Moduli Backreaction on Inflationary Attractors
• Cosmology of fermionic dark energy coupled to curvature
• Enhanced (p)reheating in DBI Inflation
• Multi-field inflation from single-field models
• Supersymmetric Hybrid Inflation in Light of CMB Experiments and Swampland Conjectures
• Peccei-Quinn Symmetry Breaking via Asymptotically Safe Dynamical Scalegenesis: A Walking Axicolor and Axion
• Meso-inflationary Peccei-Quinn symmetry breaking with non-minimal coupling
• Primordial black holes in SB SUSY Gauss-Bonnet inflation
• Clocking the End of Cosmic Inflation
• 20+ years of Inflation
• Small Field Inflation and the Spectral Index
• Growth of Inflaton Perturbations and the Post-Inflation Era in Supersymmetric Hybrid Inflation Models
• Stochastic inflation with quantum and thermal noise
• Inflationary Dynamics with Runaway Potentials
• Cosmic acceleration in screening hybrid quintessence model
• Supersymmetric hybrid inflation in the braneworld scenario
• Modeling Cosmic Expansion, and Possible Inflation, As a Thermodynamic Heat Engine
• Inflationary Cosmology via Quantum Corrections in M-theory
• On the Origin and Nature of Dark Matter
• Effective field theory of waterfall in hybrid inflation
• Consistent cosmology with Higgs thermal inflation in a minimal extension of the MSSM
• Testing Two-Field Inflation
• No Warm Inflation From a Vanilla Axion
• Effect of Dissipation on Warm Chromo-Natural Inflation
• Preheating and locked inflation: an analytic approach towards parametric resonance
• Decoupling limits in multi-sector supergravities
• Quantum back-reaction of the superpartners in a large-N supersymmetric hybrid model
• TwInflation
• Variational symmetries and superintegrability in multifield cosmology
• Supersymmetric hybrid inflation with a light scalar
• Higgs inflation in complex geometrical scalar-tensor theory of gravity
• New method of exponential potentials reconstruction based on given scale factor in phantonical two-field models
• Two-Field Q-ball Solutions of Supersymmetric Hybrid Inflation
• Beginning of Universe through large field hybrid inflation
• Hitchhiker's Guide to the Swampland: The Cosmologist's Handbook to the string-theoretical Swampland Programme
• Domain walls and strings formation in the early Universe
• Non-gaussianity and Statistical Anisotropy in Cosmological Inflationary Models
• Inflation in String Field Theory
• Composite Inflation in the light of 2015 Planck data
• Walking-dilaton hybrid inflation with $B-L$ Higgs embedded in dynamical scalegenesis
• Cosmic Strings from Tribrid Inflation
• Supersymmetry breaking and loop corrections at the end of inflation
• New Inflation in Waterfall Region
• The exact solution approach to warm inflation
• Graceful exit from inflation and reheating with twin waterfalls
• New exact solutions in multi-scalar field cosmology
• A possible solution to the Hubble tension from quantum gravity
• Theories of gravity with nonminimal matter-curvature coupling and the de Sitter swampland conjectures
• Cosmological Formation of (2+1)-Dimensional Soliton Structures in Models Possessing Potentials with Local Peaks
• E- & T-Model Hybrid Inflation
• Pseudo-Nambu-Goldstone inflation with twin waterfalls
• Primordial black holes from a curvaton: the role of bimodal distributions
• Inflation from Susy quantum cosmology
• Quasi-Particle Excitations of the Higgs Vacuum at Finite Energy Density
• Inflation constraints for classes of f(R) models
• N=2 PNGB Quintessence Dark Energy
• SuperCool Inflation: A Graceful Exit from Eternal Inflation at LHC Scales and Below
• Supergravity Contributions to Inflation in models with non-minimal coupling to gravity
• Compactification driven Hilltop Inflation in Einstein-Yang-Mills
• Inflationary perturbations with multiple scalar fields
• Inflation
• On the prior dependence of constraints on the tensor-to-scalar ratio
• Supersymmetry and Fermionic Modes in an Oscillon Background
• Anatomy of geometrical destabilization of inflation
• How well do we understand the thermal history of the Universe? Implications of the recent BICEP2 data
• Particle motion in weak relativistic gravitational fields
• The quantum origin of cosmic structure: theory and observations
• Multi-field inflation and the field-space metric
• Improved quantum algorithm for calculating eigenvalues of differential operators and its application to estimating the decay rate of the perturbation distribution tail in stochastic inflation
• Non-Gaussian Finite Temperature Statistics of the Longitudinal Gauge Excitation of the Higgs Vacuum
• Eigenvalues of the Stewart-Lyth equation for inflation with a blue spectrum
• Primordial Black Holes and Second-order Gravitational Waves in Axion-like Hybrid Inflation
• Testing hilltop supernatural inflation with gravitational waves
• Effects of Variable Newton Constant During Inflation
• "Big Bang'' as a result of first-order phase transition driven by changing scalar curvature in expanding early Universe: "hyperinflation'' scenario
• The Early Universe with High-Scale Supersymmetry
• Brane Inflation from Rotation of D4 Brane
• String Imprints from a Pre-inflationary Era
• Generating Entangled Inflationary Quantum States
• Inflation with blowing-up solution of cosmological constant problem
• Analytical study of classic models of Hybrid Inflation
• Getting inflationary models using the deformation method
• Born-Infeld-$f(R)$ gravity with de Sitter solutions
• Constraining the primordial spectrum of metric perturbations from gravitino and moduli production
• Universal Singlets, Supergravity and Inflation
• Clarifying Inflation Models: the Precise Inflationary Potential from Effective Field Theory and the WMAP data
• Theory of Cosmological Perturbations and Applications to Superstring Cosmology
• Stochastic-tail of the curvature perturbation in hybrid inflation
• Decay and lifetime of oscillons coupled to an external scalar field: Insights from instability band analysis
• Gauss-Bonnet-induced symmetry breaking/restoration during inflation
• Slow-roll versus stochastic slow-roll inflation
• Hybrid inflation and gravitational waves from accidentally light scalars
• Hybrid Inflation, Reheating and Dark Radiation in a IIB perturbative moduli stabilization scenario
• Leptogenesis and Reheating in Complex Hybrid Inflation
• Gravitino phenomenology and cosmological implications of supergravity
• Tachyon cosmology with non-vanishing minimum potential: a unified model
• The Trans-Planckian Censorship Conjecture in different frameworks of viable inflation
• Inflation, Strings, CMB anisotropies and Leptogenesis
• Nonminimal Couplings and the Forgotten Field of Axion Inflation
• Post Inflationary Behaviour of String Moduli
• Novel thick brane solutions with $U(1)$ symmetry breaking
• Numerical evaluation of the tensor bispectrum in two field inflation
• Time crystals in primordial perturbations
• Number Density of Peaks in a Chi-Squared Field
• Consistency Relation and Non-Gaussianity in a Galileon Inflation
• Hyperbolic symmetries, inflaton-phantom cosmology, and inflation
• GUT cosmic strings and inflation
• Baryon number violation and a new electroweak interaction
• Hybrid Inflation Exit through Tunneling
• Refitting cosmological data with neutrino mass and degeneracy
• Modified hybrid inflation in no-scale SUGRA with suppressed $R$-symmetry breaking
• False Vacuum Higgs Inflation and the Graviweak Unification
• Flavored axion-monodromy inflation
• Initial conditions in hybrid inflation: exploration by MCMC technique
• Dynamics of $Z_N$ domain walls with bias directions
• Complementary signatures of $\alpha -$attractor inflation in CMB and cosmic string Gravitational Waves
• Slow roll inflation and BB mode angular power spectrum of CMB
• $F$-term Multi-Field Inflation in Supergravity without Stabiliser Superfields
• Testing a Two Field Inflation Beyond the Slow-Roll Approximation
• Inflection point in running kinetic term inflation
• Inflation: a quantum laboratory on cosmological scales
• Collapse of a Superhorizon-sized Void in the Early Universe
• False Vacuum Chaotic Inflation: The New Paradigm?
• Scalar Cosmological Perturbations in M-theory with Higher Derivative Corrections
• Symmetry restoration due to preheating and lepton number asymmetry
• Baryogenesis at the end of hybrid inflation
• Resurrecting Vanilla Power Law Inflation with the aid of Continuous Spontaneous Localization in the ACT era
• Loop-corrected scalar potentials and late-time acceleration in f(R) gravity
• Graviweak Unification in the Visible and Invisible Universe and Inflation from the Higgs Field False Vacuum
• Mirror-extended standard model with spontaneously broken left-right symmetry and its implementation in the course of cosmological evolution
• Large Field Inflation in Supergravity
• Probing the variation of relic neutrino masses with extremely high-energy cosmic neutrinos
• Scaling behavior of observables as a model characteristic in multifield inflation
• Initial time singularities and admissible initial states for a system of coupled scalar fields
• Gravitational wave production after inflation for a hybrid inflationary model
• Sustainability of multi-field inflation and bound on string scale
• Scale-dependence in DHOST inflation
• WMAPping the Inflationary Universe
• A New Approach to Flatness, Horizon and Late-time Accelerating Expansion Problems on the basis of Mach Principle
• Dynamical Mass Generation in Wick Cutkosky Model
• Towards an analytic solution of rapid roll inflation with a quartic potential
• Hybrid inflation from supersymmetry breaking
• Ultra slow-turn inflation
• Alternative Approaches to Dark Matter Puzzle
• Modified Power law Inflation: solution to the graceful exit problem and improvement of dark energy models
• Cosmological Perturbations via Quantum Corrections in M-theory
• Mori-Zwanzig formalism for early cosmic inflation
• Inflationary phase and role of dark energy: Revisited
• Boson stars and oscillatons in an inflationary universe
• Dual axion-like field inflation
• Cosmological perturbation theory with trinity of scalar fields
• SUSY, Inflation and the Origin of Matter in the Universe
• Theoretical and observational aspects of cosmological inflation
• Inflation in Wess--Zumino Models
• Brane inflation and the fine-tuning problem
• Two Higgs Doublet Model with Scalar Mediation via Yukawa Interactions
• First Order Inflation in General Relativity
• Ringing Non-Gaussianity from inflation with a step in the second derivative of the potential
• Calculating the power spectrum in stochastic inflation by Monte Carlo simulation and least squares curve fitting
• Loop quantum inflation with inverse volume corrections in light of ACT data