69 citations · 78 across the 2 of their papers we have counts for
2 papers
physics.comp-ph2023★ 9 cited
Nevanlinna.jl: A Julia implementation of Nevanlinna analytic continuation
Kosuke Nogaki, Jiani Fei, Emanuel Gull +1
We introduce a Julia implementation of the recently proposed Nevanlinna analytic continuation method. The method is based on Nevanlinna interpolants and, by construction, preserves…
cond-mat.str-el2021★ 69 cited
Analytical Continuation of Matrix-Valued Functions: Carathéodory Formalism
Jiani Fei, Chia-Nan Yeh, Dominika Zgid +1
Finite-temperature quantum field theories are formulated in terms of Green's functions and self-energies on the Matsubara axis. In multi-orbital systems, these quantities are relat…