triqs_xca.ac_pes

Implementation of analytic continuation for Fermionic Green’s functions and self-energies using the projection-estimation-semidefinite relaxation PES (ES) method.

  1. Huang, E. Gull, L. Lin, Phys. Rev. B 107, 075151 (2023) https://doi.org/10.1103/PhysRevB.107.075151

Functions

aaa_reduce(pol, R[, eps])

erroreval(pol, Z, G[, cleanflag, maxiter, ...])

erroreval_t(pol, tgrid, Deltat, beta[, maxiter])

eval_with_pole(pol, Z, weight)

get_weight(pol, Z, G[, cleanflag, maxiter, ...])

get_weight_t(pol, tgrid, Deltat, beta[, maxiter])

kernel(tau, omega)

polefitting(Deltaiw, Z, Deltat, tgrid, ...)