activity
20192026
most citedDirect comparison of many-body methods for realistic electronic Hamiltonians

88 citations · 356 across the 12 of their papers we have counts for

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8 papers · 1 filter

cond-mat.str-el2024★ 1 cited

Tensor hypercontraction for self-consistent vertex corrected GW with static and dynamic screening; applications to molecules and solids with superexchange

Pavel Pokhilko, Chia-Nan Yeh, Miguel A. Morales +1

For molecules and solids, we developed efficient MPI-parallel algorithms for evaluating the second-order exchange term with bare, statically screened, and dynamically screened inte…

cond-mat.str-el2022★ 34 cited

Relativistic Self-Consistent : Exact Two-Component Formalism with One-Electron Approximation for Solids

Chia-Nan Yeh, Avijit Shee, Qiming Sun +2

We present a formulation of relativistic self-consistent for solids based on the exact two-component formalism with one-electron approximation (X2C1e) and non-relativistic Cou…

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…

cond-mat.str-el2020

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…

cond-mat.str-el2020

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…

cond-mat.str-el2020

Electron correlations in cubic paramagnetic perovskite Sr(V,Mn)O -- Results from fully self-consistent self-energy embedding calculations

Chia-Nan Yeh, Sergei Iskakov, Dominika Zgid +1

In this work, we use the thermodynamically consistent and conserving self-energy embedding theory (SEET) to study the spectra of the prototypical undistorted cubic perovskites SrVO…