81 citations · 138 across the 7 of their papers we have counts for
6 papers · 1 filter
Thermodynamics of rotating quantum matter in the virial expansion
C. E. Berger, K. J. Morrell, J. E. Drut
We characterize the high-temperature thermodynamics of rotating bosons and fermions in two- (2D) and three-dimensional (3D) isotropic harmonic trapping potentials. We begin by calc…
Third- and fourth-order virial coefficients of harmonically trapped fermions in a semiclassical approximation
K. J. Morrell, C. E. Berger, J. E. Drut
Using a leading-order semiclassical approximation, we calculate the third- and fourth-order virial coefficients of nonrelativistic spin-1/2 fermions in a harmonic trapping potentia…
Complex Langevin and other approaches to the sign problem in quantum many-body physics
Casey E. Berger, Lukas Rammelmüller, Andrew C. Loheac +3
We review the theory and applications of complex stochastic quantization to the quantum many-body problem. Along the way, we present a brief overview of a number of ideas that eith…
Harmonically trapped fermions in two dimensions: ground-state energy and contact of SU(2) and SU(4) systems via nonuniform lattice Monte Carlo
Z. -H. Luo, C. E. Berger, J. E. Drut
We study harmonically trapped, unpolarized fermion systems with attractive interactions in two spatial dimensions with spin degeneracies Nf = 2 and 4 and N/Nf = 1, 3, 5, and 7 part…
Hard-Wall and Non-Uniform Lattice Monte Carlo Approaches to One-Dimensional Fermi Gases in a Harmonic Trap
Casey E. Berger, Joaquín E. Drut, William J. Porter
We present in detail two variants of the lattice Monte Carlo method aimed at tackling systems in external trapping potentials: a uniform-lattice approach with hard-wall boundary co…
Energy, contact, and density profiles of one-dimensional fermions in a harmonic trap via non-uniform lattice Monte Carlo
C. E. Berger, E. R. Anderson, J. E. Drut
We determine the ground-state energy and Tan's contact of attractively interacting few-fermion systems in a one-dimensional harmonic trap, for a range of couplings and particle num…