84 citations · 530 across the 16 of their papers we have counts for
16 papers
Hamiltonian spectra in quantum computers through the generalized eigenvalue method
Valery Simonyan, Greg Ridgway, Paulo Bedaque
Quantum computers can generate real-time correlators of field theories. By adapting the generalized eigenvalue problem to these correlators, energy eigenvalues can be extracted dir…
Exotic energy injection in the early universe II: CMB spectral distortions and constraints on light dark matter
Hongwan Liu, Wenzer Qin, Gregory W. Ridgway +1
We calculate the post-recombination contribution to the Cosmic Microwave Background (CMB) spectral distortion due to general exotic energy injections, including dark matter (DM) de…
Exotic energy injection in the early universe I: a novel treatment for low-energy electrons and photons
Hongwan Liu, Wenzer Qin, Gregory W. Ridgway +1
Decaying or annihilating dark matter and other exotic energy injections can modify the spectrum of the universe's photon bath, resulting in e.g. new contributions to spectral disto…
Anomalous Dimensions from Soft Regge Constants
Ian Moult, Sanjay Raman, Gregory Ridgway +1
Using an effective field theory (EFT) formalism for forward scattering, we reconsider the factorization of scattering amplitudes in the Regge limit. Expanding the amplitud…
The BEST framework for the search for the QCD critical point and the chiral magnetic effect
Xin An, Marcus Bluhm, Lipei Du +40
The Beam Energy Scan Theory (BEST) Collaboration was formed with the goal of providing a theoretical framework for analyzing data from the Beam Energy Scan (BES) program at the rel…
Accidentally Asymmetric Dark Matter
Pouya Asadi, Eric David Kramer, Eric Kuflik +3
We study the effect of a first-order phase transition in a confining dark sector with heavy dark quarks. The baryons of this sector are the dark matter candidate. During th…
Thermal Squeezeout of Dark Matter
Pouya Asadi, Eric David Kramer, Eric Kuflik +3
We carry out a detailed study of the confinement phase transition in a dark sector with a gauge group and a single generation of dark heavy quark. We focus on heavy enough…
Lyman- Constraints on Cosmic Heating from Dark Matter Annihilation and Decay
Hongwan Liu, Wenzer Qin, Gregory W. Ridgway +1
We derive new constraints on models of decaying and annihilating dark matter (DM) by requiring that the energy injected into the intergalactic medium (IGM) not overheat it at late…
Dynamics of critical fluctuations: Theory -- phenomenology -- heavy-ion collisions
M. Bluhm, M. Nahrgang, A. Kalweit +27
This report summarizes the presentations and discussions during the Rapid Reaction Task Force "Dynamics of critical fluctuations: Theory -- phenomenology -- heavy-ion collisions",…
Hydro+ in Action: Understanding the Out-of-Equilibrium Dynamics Near a Critical Point in the QCD Phase Diagram
Krishna Rajagopal, Gregory Ridgway, Ryan Weller +1
Upcoming experimental programs will look for signatures of a possible critical point in the QCD phase diagram in fluctuation observables. To understand and predict these signatures…
DarkHistory: A code package for calculating modified cosmic ionization and thermal histories with dark matter and other exotic energy injections
Hongwan Liu, Gregory W. Ridgway, Tracy R. Slatyer
We present a new public Python package, DarkHistory, for computing the effects of dark matter annihilation and decay on the temperature and ionization history of the early universe…
Schwinger-Keldysh on the lattice: a faster algorithm and its application to field theory
Andrei Alexandru, Gokce Basar, Paulo F. Bedaque +1
A new algorithm is developed allowing the Monte Carlo study of a 1 + 1 dimensional theory in real time. The main algorithmic development is to avoid the explicit calculation of the…
Monte Carlo calculations of the finite density Thirring model
Andrei Alexandru, Gokce Basar, Paulo F. Bedaque +2
We present results of the numerical simulation of the two-dimensional Thirring model at finite density and temperature. The severe sign problem is dealt with by deforming the domai…
A study of symmetry breaking in a relativistic Bose gas using the contraction algorithm
Andrei Alexandru, Gokce Basar, Paulo Bedaque +2
A relativistic Bose gas at finite density suffers from a sign problem that makes direct numerical simulations not feasible. One possible solution to the sign problem is to re-expre…
Fast Estimator of jacobians in Monte Carlo Integration on Lefschetz Thimbles
Andrei Alexandru, Gokce Basar, Paulo F. Bedaque +2
A solution to the sign problem is the so-called "Lefschetz thimble approach" where the domain of integration for field variables in the path integral is deformed from the real axis…
Sign problem and Monte Carlo calculations beyond Lefschetz thimbles
Andrei Alexandru, Gokce Basar, Paulo F. Bedaque +2
We point out that Monte Carlo simulations of theories with severe sign problems can be profitably performed over manifolds in complex space different from the one with fixed imagin…