Quantum Nature of the Big Bang: Improved dynamics

Abstract

An improved Hamiltonian constraint operator is introduced in loop quantum cosmology. Quantum dynamics of the spatially flat, isotropic model with a massless scalar field is then studied in detail using analytical and numerical methods. The scalar field continues to serve as `emergent time', the big bang is again replaced by a quantum bounce, and quantum evolution remains deterministic across the deep Planck regime. However, while with the Hamiltonian constraint used so far in loop quantum cosmology the quantum bounce can occur even at low matter densities, with the new Hamiltonian constraint it occurs only at a Planck-scale density. Thus, the new quantum dynamics retains the attractive features of current evolutions in loop quantum cosmology but, at the same time, cures their main weakness.

Typos corrected. Revised version to appear in Physical Review D

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• Singularity resolution from polymer quantum matter
• Dressed metric predictions revisited
• Diffeomorphism invariant cosmological symmetry in full quantum gravity
• Generalized Logarithmic Equation of State in Classical and Loop Quantum Cosmology Dark Energy-Dark Matter Coupled Systems
• Coherent State Functional Integrals in Quantum Cosmology
• Rainbow Black Hole From Quantum Gravitational Collapse
• Inflation and Bounce from Classical and Loop Quantum Cosmology Imperfect Fluids
• Revisiting quantum black holes from effective loop quantum gravity
• The Big Bang and the Quantum
• Understanding quantum black holes from quantum reduced loop gravity
• Manifestly Gauge-Invariant Cosmological Perturbation Theory from Full Loop Quantum Gravity
• Separable Hilbert space for loop quantization
• Fermions in Hybrid Loop Quantum Cosmology
• Effective Field Theory of Loop Quantum Cosmology
• Statistical Thermodynamics of Polymer Quantum Systems
• Loop quantum cosmology: relation between theory and observations
• Constraints from Solar System tests on a covariant loop quantum black hole
• Loop quantum cosmology of Bianchi IX: Effective dynamics
• A critical analysis of the cosmological implementation of Loop Quantum Gravity
• Revisiting pre-inflationary universe of family of $\alpha -$attractor in loop quantum cosmology
• Phase space quantization and Loop Quantum Cosmology: A Wigner function for the Bohr-compactified real line
• Challenges in recovering a consistent cosmology from the effective dynamics of loop quantum gravity
• Effective dynamics of the closed loop quantum cosmology
• Anisotropic Spinfoam Cosmology
• Improved dynamics and gravitational collapse of tachyon field coupled with a barotropic fluid
• Testing and selection of cosmological models with $(1+z{)}^6$ corrections
• $f(T)$ cosmology: From Pseudo-Bang to Pseudo-Rip
• Loop quantum cosmology and singularities
• Polymer dynamics of isotropic universe in Ashtekar and in volume variables
• Some physical implications of regularization ambiguities in SU(2) gauge-invariant loop quantum cosmology
• Covariant action for bouncing cosmologies in modified Gauss-Bonnet gravity
• Pre-Big-Bang Cosmology and Circles in the Cosmic Microwave Background
• Primordial perturbations in the Dapor-Liegener model of hybrid loop quantum cosmology
• Symmetry Reduced Loop Quantum Gravity: A Bird's Eye View
• Scalar Field Cosmologies With Inverted Potentials
• Relating dust reference models to conventional systems in manifestly gauge invariant perturbation theory
• Two-time alternative to the Ashtekar-Olmedo-Singh black hole interior
• Probability of inflation in Loop Quantum Cosmology
• Nilpotent Symmetries in Super-Group Field Cosmology
• Dynamical behavior of interacting dark energy in loop quantum cosmology
• Unstable Anisotropic Loop Quantum Cosmology
• Probing a polymerized black hole with the frequency shifts of photons
• Extended phase space quantization of a black hole interior model in Loop Quantum Cosmology
• Is Bianchi I a Bouncing Cosmology in the Wheeler-DeWitt picture?
• Uniqueness of the Fock quantization of scalar fields and processes with signature change in cosmology
• Anisotropic loop quantum cosmology with self-dual variables
• Thermodynamics in Loop Quantum Cosmology
• Chaplygin inflation in loop quantum cosmology
• Loop quantization of spherically symmetric midisuperspaces and loop quantum geometry of the maximally extended Schwarzschild spacetime
• Lorentzian wormhole in the framework of loop quantum cosmology
• Modified FRW cosmologies arising from states of the hybrid quantum Gowdy model
• Minimal Coupling and Attractors
• Hysteresis and beats in loop quantum cosmology
• Singularity avoidance and time in quantum gravity
• Reply to `Comment on "Quantum Bounce and Cosmic Recall"' [arXiv:0811.2790]
• Semiclassical and Quantum Polymer Effects in the Flat Isotropic Universe
• Higher curvature counter terms cause the bounce in loop cosmology
• Loop quantum gravity and cosmological constant
• A quantum gravity extension to the Mixmaster dynamics
• Preinflationary dynamics of power-law potential in loop quantum cosmology
• Wheeler-DeWitt equation and the applicability of crypto-Hermitian interaction representation in quantum cosmology
• Big Bang Singularity Resolution In Quantum Cosmology
• Backreaction of fermionic perturbations in the Hamiltonian of hybrid loop quantum cosmology
• Deriving loop quantum cosmology dynamics from diffeomorphism invariance
• Fluctuation energies in quantum cosmology
• Alleviation of anomalies from the non-oscillatory vacuum in loop quantum cosmology
• Diffeomorphism invariant cosmological sector in loop quantum gravity
• State refinements and coarse graining in a full theory embedding of loop quantum cosmology
• Loop quantum cosmology of Bianchi IX: Inclusion of inverse triad corrections
• Dynamical black hole in a bouncing universe
• Approximation methods in Loop Quantum Cosmology: From Gowdy cosmologies to inhomogeneous models in Friedmann-Robertson-Walker geometries
• Observables for FRW model with cosmological constant in the framework of loop cosmology
• Loop quantum gravity without the Hamiltonian constraint
• Creation of particles in a cyclic universe driven by loop quantum cosmology
• On the resolution of the big bang singularity in isotropic Loop Quantum Cosmology
• Bianchi type-I string cosmological model in the presence of a magnetic field: classical versus loop quantum cosmology approaches
• Non-Gaussian features from the inverse volume corrections in loop quantum cosmology
• Quintessence and (Anti-)Chaplygin Gas in Loop Quantum Cosmology
• Nonexistence of quantum black and white hole horizons in an improved dynamic approach
• Gravitational Particle Production in Loop Quantum Cosmology
• Lorentzian quantum cosmology from effective spin foams
• Factor ordering and large-volume dynamics in quantum cosmology
• Loop effective model for Schwarzschild black hole interior: a modified $\bar{\mu }$ dynamics
• Effective Dynamics for the Cosmological Bounces in Bianchi Type I Loop Quantum Cosmology
• Perturbations in Quantum Cosmology: The Continuum Limit in Fourier Space
• Observational Constraints on the Dark Energy with a Quadratic Equation of State
• On consistent gauge fixing conditions in polymerized gravitational systems
• Alternative dynamics in loop quantum Brans-Dicke cosmology
• Quantum geometry and effective dynamics of Janis-Newman-Winicour singularities
• Quantum gravity phenomenology at the dawn of the multi-messenger era -- A review
• The consistent histories approach to loop quantum cosmology
• Discreteness of time in the evolution of the universe
• Inflationary power spectra with quantum holonomy corrections
• Quantum dynamics of the Einstein-Rosen wormhole throat
• Non-bouncing solutions in loop quantum cosmology
• Kinematical uniqueness of homogeneous isotropic LQC
• Lessons for Loop Quantum Gravity from Parametrised Field Theory
• A generalized uncertainty-inspired quantum black hole
• Bouncing universe of entropy-corrected Friedmann equations
• Application of higher order holonomy corrections to perturbation theory of cosmology
• Loop quantum modified gravity and its cosmological application
• Semiclassical and quantum features of the Bianchi I cosmology in the polymer representation
• On the relation between reduced quantisation and quantum reduction for spherical symmetry in loop quantum gravity
• Mass of cosmological perturbations in the hybrid and dressed metric formalisms of Loop Quantum Cosmology for the Starobinsky and exponential potentials
• Cosmological Consequences of Domain Walls Biased by Quantum Gravity
• Quantum Big Bounce of the isotropic Universe via a relational time
• Vector fields and Loop Quantum Cosmology
• Modeling effective FRW cosmologies with perfect fluids from states of the hybrid quantum Gowdy model
• Lessons from Toy-Models for the Dynamics of Loop Quantum Gravity
• Axial perturbations in Kantowski-Sachs spacetimes and hybrid quantum cosmology
• Open problems in mathematical physics
• Bianchi I cosmology in the presence of a causally regularized viscous fluid
• Consequences of Godel Theorems on Third Quantized Theories Like String Field Theory and Group Field Theory
• Wave dynamics of phantom scalar perturbation in the background of Schwarzschild black hole
• Semiclassical and quantum behavior of the Mixmaster model in the polymer approach
• Phase transitions during Cyclic-Inflation and Non-gaussianity
• Anomaly freedom of the vector modes with holonomy corrections in perturbative Euclidean loop quantum gravity
• Quasinormal modes of a charged loop quantum black hole
• The cosmological perturbation theory in loop cosmology with holonomy corrections
• Scalar field as a time variable during gravitational evolution
• Scalar field as an intrinsic time measure in coupled dynamical matter-geometry systems. I. Neutral gravitational collapse
• Gravitational Particle Production and the Validity of Effective Descriptions in Loop Quantum Cosmology
• Evolution in bouncing quantum cosmology
• Extending the QMM Framework to the Strong and Weak Interactions
• The Dapor-Liegener model of Loop Quantum Cosmology: A dynamical analysis
• Probing loop quantum effects through solar system experiments: observational signatures and parameter constraints
• Tachyon field in loop quantum cosmology: An example of traversable singularity
• Averaged null energy condition in Loop Quantum Cosmology
• Quantization of time and the big bang via scale-invariant loop gravity
• Reconstructing the Universe Evolution from Loop Quantum Cosmology Scalar Fields
• Dynamical eigenfunctions and critical density in loop quantum cosmology
• Quantum gravity might restrict a cyclic evolution
• Influence of Quantum Correction on Kerr Black Hole in Effective Loop Quantum Gravity via Shadows and EHT Results
• Gauge-invariant bounce from loop quantum gravity
• Late time cosmic acceleration from natural infrared cutoff?
• The landscape of polymer quantum cosmology
• Tunneling wavefunction proposal with loop quantum geometry effects
• Effective $f(R)$ actions for modified Loop Quantum Cosmologies via order reduction
• Loop Quantum Corrected Einstein Yang-Mills Black Holes
• The quantum effect on Friedmann equation in FRW universe
• Anisotropic Structures and Wormholes with Loop Quantum Gravity Holonomy Corrections
• Uniqueness of minimal loop quantum cosmology dynamics
• Group quantization of the black hole minisuperspace
• Tachyon warm inflation with the effects of Loop Quantum Cosmology in the light of Planck 2015
• Asymptotic diagonalization of the fermionic Hamiltonian in hybrid loop quantum cosmology
• Semiclassical solutions of generalized Wheeler-DeWitt cosmology
• Path integral renormalisation in loop quantum cosmology
• Dapor-Liegener formalism of loop quantum cosmology for Bianchi I spacetimes
• Dynamics of tachyon field with an inverse square potential in loop quantum cosmology
• Phenomenology analysis of duration inflation for Tachyon field in loop quantum cosmology
• A Brief Overview of Results about Uniqueness of the Quantization in Cosmology
• Modifications to Gravitational Wave Equation from Canonical Quantum Gravity
• Perturbations in Bouncing and Cyclic Models, a General Study
• The time-dependent mass of cosmological perturbations in loop quantum cosmology: Dapor-Liegener regularization
• Viable Inflationary Evolution from Loop Quantum Cosmology Scalar-Tensor Theory
• Gravitational collapse of Hagedorn fluids
• The volume operator in loop quantum cosmology
• Qualitative study in Loop Quantum Cosmology
• The symplectic group in Polymer Quantum Mechanics
• Loop quantum cosmology from an alternative Hamiltonian
• Renormalisation with SU(1, 1) coherent states on the LQC Hilbert space
• Gaussian state for the bouncing quantum cosmology
• A diffeomorphism invariant family of metric-affine actions for loop cosmologies
• Running of the Spectral index in Deformed Matter Bounce Scenarios with Hubble-rate-dependent Dark Energy
• Dynamics of k-essence in loop quantum cosmology
• Supersymmetric minisuperspace models in self-dual loop quantum cosmology
• Paths of unitary access to exceptional points
• Cosmological inflation driven by holonomy corrections of loop quantum cosmology
• Polar perturbations in Kantowski-Sachs spacetimes and hybrid quantum cosmology
• A new realization of quantum geometry
• The status of Quantum Geometry in the dynamical sector of Loop Quantum Cosmology
• Swampland conjectures and single field inflation in non-standard cosmological scenarios
• Energy-momentum squared symmetric Teleparallel gravity: $f(Q,T_{\mu \nu }{T}^{\mu \nu })$ gravity
• A dialog on the fate of information in black hole evaporation
• Generalized Interacting Dark Energy Model and Loop Quantum Cosmology
• Is a Topology Change After a Big Rip Possible?
• Loop Quantum Cosmology of non-diagonal Bianchi models
• Loop Quantum Cosmology: Physics of Singularity Resolution and its Implications
• Is the diagonal case a general picture for Loop Quantum Cosmology?
• Effects of the inflaton potential on the primordial power spectrum in Loop Quantum Cosmology scenarios
• On the improved dynamics approach in loop quantum black holes
• Gravitational waves with generalized holonomy corrections
• Towards quantum gravity with neural networks: Solving the quantum Hamilton constraint of U(1) BF theory
• Holographic signatures of resolved cosmological singularities
• Numerical Relativity Beyond Astrophysics
• Stellar collapse with pressure in effective loop quantum gravity
• Towards self dual Loop Quantum Gravity
• On the possibility of Dark Energy from corrections to the Wheeler-De Witt equation
• Fourth order deformed general relativity
• The energy spectrum of gravitational waves in a loop quantum cosmological model
• Gravitational lensing in holonomy corrected spherically symmetric black holes with phantom global monopoles
• Non-Singular Collapse Scenario From Matter-Curvature Coupling
• Lattice refinement in loop quantum cosmology
• Adiabatic and non-adiabatic perturbations for loop quantum cosmology
• Lattice Refining Loop Quantum Cosmology from an Isotropic Embedding of Anisotropic Cosmology
• Mimetic gravity: mimicking the dynamics of the primeval universe in the context of loop quantum cosmology
• Loop quantum cosmological dynamics of scalar-tensor theory in the Jordan frame
• Evolution in totally constrained models: Schrödinger vs. Heisenberg pictures
• Bianchi I effective dynamics in Quantum Reduced Loop Gravity
• From loop quantum gravity to cosmology: the two-vertex model
• Loop quantum cosmology in 2+1 dimension
• Quantization of Big Bang in crypto-Hermitian Heisenberg picture
• Relativistic Planck-scale polymer
• Time evolution in quantum cosmology
• Infrared signatures of quantum bounce in a minisuperspace analysis of Lema\^ıtre-Tolman-Bondi dust collapse
• Formation of nonsingular spherical black holes with holonomy corrections
• Quantum reduced loop gravity: extension to gauge vector field
• Cyclic universe from Loop Quantum Gravity
• On the black hole singularity issue in loop quantum gravity
• Dynamical behaviors of FRW Universe containing a positive/negative potential scalar field in loop quantum cosmology
• Towards quantum gravity with neural networks: Solving quantum Hamilton constraints of 3d Euclidean gravity in the weak coupling limit
• Dark matter as the Bose-Einstein condensation in loop quantum cosmology
• Solvable Loop Quantum Cosmology: domain of the volume observable and semiclassical states
• Loop quantum cosmology from an alternative Hamiltonian. II. Including the Lorentzian term
• Brane cosmology from observational surveys and its comparison with standard FRW cosmology
• First-order quantum-gravitational correction to Friedmannian cosmology from covariant, holomorphic spinfoam cosmology
• Universe from vacuum in loop-string cosmology
• Holographic Signatures of Resolved Cosmological Singularities II: Numerical Investigations
• Tunneling of quantum geometries in spinfoams
• Estimation of imprints of the bounce in loop quantum cosmology on the bispectra of cosmic microwave background
• Matter in Loop Quantum Gravity
• Approximating the physical inner product of Loop Quantum Cosmology
• Circular orbits and accretion disk around a deformed-Schwarzschild black hole in loop quantum gravity
• Classical versus quantum evolution for a universe with a positive cosmological constant
• The Physical Relevance of the Fiducial Cell in Loop Quantum Cosmology
• Gravastar in the framework of Loop Quantum Cosmology
• On obtaining classical mechanics from quantum mechanics
• Quantum of volume in de Sitter space
• Critical Insight into the Cosmological Sector of Loop Quantum Gravity
• Constraining the rotating Simpson-Visser spacetime from the observed quasi-periodic oscillations in black holes
• Can quantum gravity be both consistent and complete?
• (Loop) quantum gravity and the inflationary scenario
• Renormalizability of Supersymmetric Group Field Cosmology
• Covariant effective spacetimes of spherically symmetric electrovacuum with a cosmological constant
• Thermodynamics in new model of loop quantum cosmology
• Quantum speed limit and stability of coherent states in quantum gravity
• Lessons from gauge fixing and polymerization of loop quantum black holes with a cosmological constant
• Testing general covariance in effective models motivated by Loop Quantum Gravity
• Lectures on LQG/LQC
• Loop Quantum Gravity and the The Planck Regime of Cosmology
• Loop quantum cosmology and its gauge-covariant avatar: a weak curvature relationship
• Including topology change in Loop Quantum Gravity with topspin network formalism with application to homogeneous and isotropic cosmology
• Signatures of regular black holes from the quasar continuum spectrum
• Low-curvature quantum corrections from unitary evolution of de Sitter space
• Loop Quantum Cosmology with a noncommutative quantum deformed photon gas
• Discretisation parameter and operator ordering in loop quantum cosmology with the cosmological constant
• The generalized second law of thermodynamics of the universe bounded by the event horizon and modified gravity theories
• Metric emerging to massive modes in quantum cosmological space-times
• Power spectrum and anisotropy of super inflation in loop quantum cosmology
• Alternative $k=-1$ loop quantum cosmology
• Generic features of a polymer quantum black hole
• A new quantization scheme of black holes in effective loop quantum gravity
• The role of spatial curvature in constraining the Universe anisotropies across a Big Bounce
• New exact cosmologies on the brane
• Variety of $(d+1)$ dimensional Cosmological Evolutions with and without bounce in a class of LQC -- inspired Models
• Quantum isotropy and the reduction of dynamics in Bianchi I
• Quantum Space-times: Beyond the Continuum of Minkowski and Einstein
• Reflections on the hyperbolic plane
• Numerically Investigating the Emergent Cyclic Inflation Scenario
• Slow-roll approximation in loop quantum cosmology
• Classical and quantum cosmology of $f(R)$ gravity's rainbow in Schutz's formalism
• A Momentous Arrow of Time
• Quantum gravitational non-singular tunneling wavefunction proposal
• Hamiltonian consistency of the gravitational constraint algebra under deformations
• Bounce scenarios in the Sotiriou-Visser-Weinfurtner generalization of the projectable Horava-Lifshitz gravity
• Quantum Oppenheimer-Snyder models in loop quantum cosmology with Lorentz term
• Does Quantum Cosmology Predict the Age of the Universe?
• A quasi-matter bounce equivalent to Starobinsky inflation
• "All that matter ... in one Big Bang ...," & other cosmological singularities
• Aspects of quantum gravity
• Testing Regular Black Holes with X-ray data of GX 339-4
• The relation between the symplectic group $Sp(4,\mathbb{R})$ and its Lie algebra: its application in polymer quantum mechanics
• Quantum singularities in a solvable toy model
• A novel model of non-singular oscillating cosmology on flat Randall-Sundrum II braneworld
• Taming Fluctuations for Gaussian States in Loop Quantum Cosmology
• A Class of LQC--inspired Models for Homogeneous, Anisotropic Cosmology in Higher Dimensional Early Universe
• Lessons for loop quantum gravity from emergent modified gravity
• Phantom scalar emission in the Kerr black hole spacetime
• Causal structure of nonhomogeneous dust collapse in effective loop quantum gravity
• Analyzing quantum gravity spillover in the semiclassical regime
• Schrödinger-like quantum dynamics in loop quantized black holes
• Internal time, test clocks and singularity resolution in dust-filled quantum cosmology
• Inflationary spectra and observations in loop quantum cosmology
• Quantum gravitational stellar evolution beyond shell-crossing singularities
• Dynamically implementing the $\overline{\mu }$-scheme in cosmological and spherically symmetric models in an extended phase space model
• Loop Quantum Cosmology and the Fine Structure Constant
• Some singular spacetimes and their possible alternatives
• Quantum dust collapse with cosmological constant and methods for constructing conformal diagrams
• Deformed general relativity
• Singularity Resolution in Isotropic Loop Quantum Cosmology: Recent Developments
• Effective Quantum Gravitational Collapse in a Polymer Framework
• Quantum Big-Bounce as a phenomenology of RQM in the Mini-superspace
• Evidence for Planck Luminosity Bound in Quantum Gravity
• Universe's memory and spontaneous coherence in loop quantum cosmology
• Classical Defocussing of world lines from Higher Dimensions
• Alternative effective mass functions in the modified Mukhanov-Sasaki equation of loop quantum cosmology
• Revisiting Holographic Dark Energy in Cyclic Cosmology
• Quantum geometric formulation of Brans-Dicke theory for Bianchi I spacetime
• Numerics of Bianchi type II and type IX spacetimes in effective loop quantum cosmology
• Phenomenology of loop quantum cosmology
• Initial conditions of pre-inflation with Hilltop potential in loop quantum cosmology
• Effective equations of motion for constrained quantum systems: A study of the Bianchi I loop quantum cosmology
• Effective LQC model for k=+1 isotropic cosmologies from spatial discretisations
• Quantum fluctuations of the compact phase space cosmology
• Quantum Isotropic Universe in RQM Analogy: the Cosmological Horizon
• Quantum Reference Frames via Transition Amplitudes in Timeless Quantum Gravity
• Image of a quantum-corrected black hole without Cauchy horizons illuminated by a static thin accretion disk
• Inflationary spectra from a near $\Omega$-deformed space-time transition point in Loop Quantum Cosmology
• Isotropic LQC and LQC--inspired Models with a massless scalar field as Generalised Brans--Dicke theories
• Loop quantum cosmological model from ADM Hamiltonian
• New Approach to Evolving Gravitational Waves in Loop Quantum Cosmology
• On the Role of Fiducial Structures in Minisuperspace Reduction and Quantum Fluctuations in LQC
• Wormholes and Teleporters
• Weyl Curvature Hypothesis in light of Quantum Backreaction at Cosmological Singularities or Bounces
• Time Asymmetry of Cosmic Background Evolution in Loop Quantum Cosmology
• Effective Theories of Quantum Cosmology
• On the dynamics of single-vertex states in quantum-reduced loop gravity
• Connection Dynamics of Reduced 5-dimensional Kaluza-Klein Theory and Its Deparametrization
• Inhomogenous loop quantum cosmology with matter
• Ekpyrosis in Quantum Gravitational Anisotropic Bouncing Models
• Deparametrization and quantization of scalar-tensor gravity and its cosmological model
• Unifying turnaround-bounce cosmology in a cyclic universe considering a running vacuum model
• Before the Bang
• Polymer Quantization of the Isotropic Universe: comparison with the Bounce of Loop Quantum Cosmology
• Stable initial conditions and analytical investigations of cosmological perturbations in a modified loop quantum cosmology
• RDM-stars as sources of fast radio bursts
• Periodic Orbits and Gravitational Wave Radiation of Black Hole in EGB gravity
• On the role of dissipative effects in the quantum gravitational onset of warm Starobinsky inflation in a closed universe
• RDM-stars and related topics
• Effective Dynamics of Loop Quantum Kaluza-Klein Cosmology
• Cosmological implications of the hydrodynamical phase of group field theory
• Basis Function Method for Numerical Loop Quantum Cosmology: The Schwarzschild Black Hole Interior
• Nonclassical cosmological dynamics in the low-energy limit of loop quantum scalar-tensor theory
• Quantum Gravity Wormholes and Topological Teleporter
• LQ Stars : Modifying the Tolman -- Oppenheimer -- Volkoff equations a la LQC
• Quasi-matter Bounce Cosmology in Light of Planck
• Primordial perturbations in kinetically dominated regimes of general relativity and hybrid quantum cosmology
• Cosmic tango between the very small and the very large: Addressing CMB anomalies through Loop Quantum Cosmology
• Effective LQG-inspired dynamics of a thin shell and the fate of a collapsing star
• Implications of single field inflation in general cosmological scenarios on the nature of dark energy given the swampland conjectures
• Big-Bounce in Quantum f(R)-Cosmology: Polymer Dynamics with Internal Time
• On the evolution of the volume in Loop Quantum Cosmology
• Palatini approach to bouncing cosmologies and DSR-like effects
• Cosmological dynamics in spin-foam loop quantum cosmology: challenges and prospects
• On gravitational spherical collapse without spacetime singularity
• Spacetime Quanta? : The Discrete Spectrum of a Quantum Spacetime Four-Volume Operator in Unimodular Loop Quantum Cosmology
• The ADM papers and part of their modern legacy: loop quantum gravity
• Non-singular Universes a la Palatini
• Non singular M theory Universe in Loop Quantum Cosmology -- inspired Models
• Cosmology with Logarithmic Corrected Horizon Entropy According to the Generalized Entropy and Variable-G Correspondence
• A loop quantization of the marginally bound Lemaître-Tolman-Bondi dust model
• Loop Quantum Cosmology on a Torus
• Effective Regge-Wheeler equations of a hybrid loop quantum black hole
• The Effect of a positive cosmological constant on the bounce of Loop Quantum Cosmology
• Space-Time Collocation Method: Loop Quantum Hamiltonian Constraints
• Black hole or Fuzz ball or a Loop quantum star ? Assessing the fate of a massive collapsing star
• Cosmological Big Bounce Transition
• Effective dynamics of Janis-Newman-Winicour spacetime
• 2+1 dimensional loop quantum cosmology of Bianchi I models
• Introdução à Cosmologia Quântica
• Conserved quantities in isotropic loop quantum cosmology
• Tomography in Loop Quantum Cosmology
• Quantum geometrical current and coherence of the open gravitation system: loop quantum gravity coupled with a thermal scalar field
• Singularities in loop quantum cosmology
• Holographic bound in covariant loop quantum gravity
• Unitary evolution and cosmic acceleration in Loop Quantum Cosmology
• Loop Quantum Cosmology: Anisotropy and singularity resolution
• Examination of the nature of the Bianchi type cosmological singularities
• Does loop quantum ${\mu }_o$ scheme permit a black hole formation?
• (Pre)-Inflationary Dynamics with Starobinsky Potential in Noncommutative Effective LQC
• Squeeze operator: a classical view
• Polymer quantum mechanics on compact configuration spaces
• A quantum theory of gravity
• Modelling cosmological singularity with compactified Milne space
• Dynamical Horizon Entropy Bound Conjecture in Loop Quantum Cosmology
• Thermodynamics of spacetime from minimal area
• Probing the interior of the Schwarzschild black hole using congruences: LQG vs. GUP
• The phenomenology of Quantum Bounce in the Klein-Gordon, Wheeler-DeWitt and Dirac formalisms
• Effect of the Inverse Volume Modification in Loop Quantum Cosmology
• Space-like Singularities of General Relativity: A Phantom menace?
• Hidden Symmetries in Gravity : Black holes and other minisuperspaces
• Quantisation ambiguities and the effective dynamics of scalar-tensor theories in loop quantum cosmology
• Quantum Dyanmics of Loop Quantum Gravity