C. J. Umrigar

C. J. Umrigar

Cornell University

H-index: 54

North America-United States

About C. J. Umrigar

C. J. Umrigar, With an exceptional h-index of 54 and a recent h-index of 34 (since 2020), a distinguished researcher at Cornell University, specializes in the field of electronic structure theory.

His recent articles reflect a diverse array of research interests and contributions to the field:

Reducing the time-step errors in diffusion Monte Carlo

The chromium dimer: closing a chapter of quantum chemistry

Orbital optimization in selected configuration interaction methods

Nonlocal pseudopotentials and time-step errors in diffusion Monte Carlo

Externally corrected ccsd with renormalized perturbative triples (R-ecCCSD (T)) and the density matrix renormalization group and selected configuration interaction external sources

Accurate energies of transition metal atoms, ions, and monoxides using selected configuration interaction and density-based basis-set corrections

Accurate energies of transition metal monoxides using selected configuration interaction and density-based basis-set corrections

Erratum:“Nonlocal pseudopotentials and time-step errors in diffusion Monte Carlo”[J. Chem. Phys. 154, 214110 (2021)]

C. J. Umrigar Information

University

Position

___

Citations(all)

11524

Citations(since 2020)

3472

Cited By

9502

hIndex(all)

54

hIndex(since 2020)

34

i10Index(all)

98

i10Index(since 2020)

61

Email

University Profile Page

Cornell University

Google Scholar

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C. J. Umrigar Skills & Research Interests

electronic structure theory

Top articles of C. J. Umrigar

Title

Journal

Author(s)

Publication Date

Reducing the time-step errors in diffusion Monte Carlo

The Journal of Chemical Physics

Tyler A Anderson

Manolo C Per

CJ Umrigar

2024/3/14

The chromium dimer: closing a chapter of quantum chemistry

Journal of the American Chemical Society

Henrik R Larsson

Huanchen Zhai

Cyrus J Umrigar

Garnet Kin-Lic Chan

2022/8/24

Orbital optimization in selected configuration interaction methods

Journal of Chemical Theory and Computation

Yuan Yao

CJ Umrigar

2021/6/16

Nonlocal pseudopotentials and time-step errors in diffusion Monte Carlo

The Journal of Chemical Physics

Tyler A Anderson

CJ Umrigar

2021/6/7

Externally corrected ccsd with renormalized perturbative triples (R-ecCCSD (T)) and the density matrix renormalization group and selected configuration interaction external sources

Journal of Chemical Theory and Computation

Seunghoon Lee

Huanchen Zhai

Sandeep Sharma

Cyrus J Umrigar

Garnet Kin-Lic Chan

2021/5/21

Accurate energies of transition metal atoms, ions, and monoxides using selected configuration interaction and density-based basis-set corrections

The Journal of Chemical Physics

Yuan Yao

Emmanuel Giner

Tyler A Anderson

Julien Toulouse

CJ Umrigar

2021/11/28

Accurate energies of transition metal monoxides using selected configuration interaction and density-based basis-set corrections

arXiv e-prints

Yuan Yao

Emmanuel Giner

Tyler A Anderson

Julien Toulouse

CJ Umrigar

2021/9

Erratum:“Nonlocal pseudopotentials and time-step errors in diffusion Monte Carlo”[J. Chem. Phys. 154, 214110 (2021)]

The Journal of Chemical Physics

Tyler A Anderson

CJ Umrigar

2021/8/21

Chemistry of the spin- kagome Heisenberg antiferromagnet

Physical Review B

Yuan Yao

CJ Umrigar

Veit Elser

2020/7/10

Direct comparison of many-body methods for realistic electronic Hamiltonians

Physical Review X

Kiel T Williams

Yuan Yao

Jia Li

Li Chen

Hao Shi

...

2020/2/20

Accurate many-body electronic structure near the basis set limit: Application to the chromium dimer

Physical Review Research

Junhao Li

Yuan Yao

Adam A Holmes

Matthew Otten

Qiming Sun

...

2020/1/15

The ground state electronic energy of benzene

The journal of physical chemistry letters

Janus J Eriksen

Tyler A Anderson

J Emiliano Deustua

Khaldoon Ghanem

Diptarka Hait

...

2020/10/6

Almost exact energies for the Gaussian-2 set with the semistochastic heat-bath configuration interaction method

The Journal of Chemical Physics

Yuan Yao

Emmanuel Giner

Junhao Li

Julien Toulouse

CJ Umrigar

2020/9/28

See List of Professors in C. J. Umrigar University(Cornell University)

Co-Authors

H-index: 106
David J. Singh

David J. Singh

University of Missouri

H-index: 84
Xavier Gonze

Xavier Gonze

Université Catholique de Louvain

H-index: 76
Garnet Kin-Lic Chan

Garnet Kin-Lic Chan

California Institute of Technology

H-index: 75
John Ketterson

John Ketterson

Northwestern University

H-index: 63
Stefan Goedecker

Stefan Goedecker

Universität Basel

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