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Rational function regression method for numerical analytic continuation
Jian Wang, Sudip Chakravarty
A simple method for numerical analytic continuation is developed. It is designed to analytically continue the imaginary time (Matsubara frequency) quantum Monte Carlo simulation re…
Density Wave States in the Presence of an External Magnetic Field
Ian Powell, Sudip Chakravarty
We investigate the effect that density-wave states have on the Hofstadter Butterfly. We first review the problem of the -density wave on a square lattice and then numerically so…
Binary disorder in quantum Ising chains and induced Majorana zero modes
Jian Wang, Sudip Chakravarty
Dynamical structure factor (S(k,)) is calculated for the one-dimensional (1D) transverse field Ising model, and its recent extension to include a three spin term, with quenched…
Specific heat and pairing of Dirac composite fermions in the half-filled Landau level
Nicholas Rombes, Sudip Chakravarty
A recent proposal argues that an alternate description of the half-filled Landau level is a theory of massless Dirac fermions. We examine the possibility of pairing of these Dirac…