88 citations · 157 across the 2 of their papers we have counts for
7 papers
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…
Evaluation of two-particle properties within finite-temperature self-consistent one-particle Green's function methods: theory and application to GW and GF2
Pavel Pokhilko, Sergei Iskakov, Chia-Nan Yeh +1
One-particle Green's function methods can model molecular and solid spectra at zero or non-zero temperatures. One-particle Green's functions directly provide electronic energies an…
Testing the GFCCSD impurity solver on real materials within the self-energy embedding theory framework
Chia-Nan Yeh, Avijit Shee, Sergei Iskakov +1
We apply the Green's function coupled cluster singles and doubles (GFCCSD) impurity solver to realistic impurity problems arising for strongly correlated solids within the self-ene…
Nevanlinna Analytical Continuation
Jiani Fei, Chia-Nan Yeh, Emanuel Gull
Simulations of finite temperature quantum systems provide imaginary frequency Green's functions that correspond one-to-one to experimentally measurable real-frequency spectral func…
Ab-Initio self-energy embedding for the photoemission spectra of NiO and MnO
Sergei Iskakov, Chia-Nan Yeh, Emanuel Gull +1
The accurate ab-initio simulation of periodic solids with strong correlations is one of the grand challenges of condensed matter. While mature methods exist for weakly correlated s…
Direct comparison of many-body methods for realistic electronic Hamiltonians
Kiel T. Williams, Yuan Yao, Jia Li +22
A large collaboration carefully benchmarks 20 first principles many-body electronic structure methods on a test set of 7 transition metal atoms, and their ions and monoxides. Good…