90 citations · 373 across the 25 of their papers we have counts for
28 papers
Thermal Metastable Strings in One-Scale Models and Gravitational Waves
Arturo de Giorgi, James Ingoldby, Valentin V. Khoze +1
Metastable cosmic strings provide a cosmological interpretation of the nanohertz stochastic gravitational wave background reported by Pulsar Timing Array (PTA) experiments. We revi…
Confinement transition to gravitational waves in the one-flavor Hyper Stealth Dark Matter theory
V. Ayyar, R. C. Brower, G. T. Fleming +11
The thermodynamics of the gauge theory with a single flavor of fundamental quarks is analyzed on the lattice with dynamical fermion simulations, which is the low-energy sec…
Dilaton Effective Field Theory across the Conformal Edge
Thomas Appelquist, James Ingoldby, Maurizio Piai
Dilaton effective field theory (dEFT) can be employed to analyze lattice data in gauge theories that lie in close proximity of the lower edge of the conformal window. Under special…
The Potential of HEFT and the scale of New Physics
Rodrigo Alonso, Susobhan Chattopadhyay, James Ingoldby
We employ a geometric framework to compute the leading high-energy behaviour of tree-level scattering amplitudes in theories containing Nambu-Goldstone bosons and a single Higg…
Metastable Strings and Gravitational Waves in One-Scale Models
James Ingoldby, Valentin V. Khoze, Jessica Turner
Metastable cosmic strings provide a minimal and predictive origin for the stochastic gravitational-wave background reported by Pulsar Timing Array experiments. We analyse this poss…
Hamiltonian Truncation Framework for Gauge Theories on the Interval
Rachel Houtz, James Ingoldby
In this work, we investigate gauge theories in two dimensions nonperturbatively using the Hamiltonian truncation approach. Working on a spatial interval and adopting the axial gaug…
Real-Time Scattering on Quantum Computers via Hamiltonian Truncation
James Ingoldby, Michael Spannowsky, Timur Sypchenko +2
We present a quantum computational framework using Hamiltonian Truncation (HT) for simulating real-time scattering processes in -dimensional scalar theory. Unlike trad…
Testing the RG-flow with Hamiltonian Truncation
Olivier Delouche, Joan Elias Miro, James Ingoldby
Hamiltonian Truncation (HT) methods provide a powerful numerical approach for investigating strongly coupled QFTs. In this work, we develop HT techniques to analyse a specific Reno…
Enhancing Quantum Field Theory Simulations on NISQ Devices with Hamiltonian Truncation
James Ingoldby, Michael Spannowsky, Timur Sypchenko +1
Quantum computers can efficiently simulate highly entangled quantum systems, offering a solution to challenges facing classical simulation of Quantum Field Theories (QFTs). This pa…
Dilaton Forbidden Dark Matter
Thomas Appelquist, James Ingoldby, Maurizio Piai
Dilaton effective field theory (dEFT) describes the long distance behavior of certain confining, near-conformal gauge theories that have been studied via lattice computation. Pseud…
Hidden Conformal Symmetry from Eight Flavors
James Ingoldby
This proceedings paper extends the scope of our conference talk, where we presented a comprehensive analysis of newly expanded and refined lattice data concerning the SU(3) gauge t…
Stealth dark matter spectrum using LapH and Irreps
Richard C. Brower, Christopher Culver, Kimmy K. Cushman +17
We present non-perturbative lattice calculations of the low-lying meson and baryon spectrum of the SU(4) gauge theory with fundamental fermion constituents. This theory is one inst…
Hamiltonian Truncation Crafted for UV-divergent QFTs
Olivier Delouche, Joan Elias Miro, James Ingoldby
We develop the theory of Hamiltonian Truncation (HT) to systematically study RG flows that require the renormalization of coupling constants. This is a necessary step towards makin…
Light Scalar Meson and Decay Constant in SU(3) Gauge Theory with Eight Dynamical Flavors
Lattice Strong Dynamics Collaboration, R. C. Brower, E. Owen +15
The SU(3) gauge theory with nearly massless Dirac fermions has long been of theoretical and phenomenological interest due to the near-conformality arising from its proximit…
Hidden Conformal Symmetry from the Lattice
LSD Collaboration, T. Appelquist, R. C. Brower +14
We analyze newly expanded and refined data from lattice studies of an SU(3) gauge theory with eight Dirac fermions in the fundamental representation. We focus on the light composit…
Effective Hamiltonians and Counterterms for Hamiltonian Truncation
Joan Elias Miro, James Ingoldby
We outline a procedure for applying Hamiltonian Truncation to Quantum Field Theories (QFTs) that have UV divergences. To do this, we derive a novel representation of an Effective H…
Dilaton Effective Field Theory
Thomas Appelquist, James Ingoldby, Maurizio Piai
We review and extend recent studies of dilaton effective field theory (dEFT) which provide a framework for the description of the Higgs boson as a composite structure. We first des…
Composite two-Higgs doublet model from dilaton effective field theory
Thomas Appelquist, James Ingoldby, Maurizio Piai
We construct a composite two-Higgs-doublet model (2HDM) within the context of dilaton effective field theory. This EFT describes the particle spectrum observed in lattice simulatio…
Hamiltonian Truncation with Larger Dimensions
Joan Elias Miro, James Ingoldby
Hamiltonian Truncation (HT) is a numerical approach for calculating observables in a Quantum Field Theory non-perturbatively. This approach can be applied to theories constructed b…
Goldstone Boson Scattering with a Light Composite Scalar
T. Appelquist, R. C. Brower, K. K. Cushman +14
The appearance of a light composite scalar resonance in nearly conformal gauge-fermion theories motivates further study of the low energy structure of these theories. To this…
A Near-Conformal Composite Higgs Model
Thomas Appelquist, James Ingoldby, Maurizio Piai
We analyze a composite Higgs model based on the confining gauge theory with Dirac fermions in the fundamental representation. This gauge theory has been studied o…
EFT anomalous dimensions from the S-matrix
Joan Elias Miró, James Ingoldby, Marc Riembau
We use the on-shell S-matrix and form factors to compute anomalous dimensions of higher dimension operators in the Standard Model Effective Field Theory. We find that in many insta…
The Dilaton Potential and Lattice Data
Thomas Appelquist, James Ingoldby, Maurizio Piai
We study an effective field theory (EFT) describing the interaction of an approximate dilaton with a set of pseudo-Nambu-Goldstone bosons (pNGBs). The EFT is inspired by, and emplo…
Linear Sigma EFT for Nearly Conformal Gauge Theories
T. Appelquist, R. C. Brower, G. T. Fleming +11
We construct a generalized linear sigma model as an effective field theory (EFT) to describe nearly conformal gauge theories at low energies. The work is motivated by recent lattic…