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Title: Projected density matrix embedding theory with applications to the two-dimensional Hubbard model

Journal Article · · Journal of Chemical Physics
DOI:https://doi.org/10.1063/1.5108818· OSTI ID:1572045
 [1];  [2];  [1];  [1];  [2]; ORCiD logo [3]
  1. Univ. of California, Berkeley, CA (United States)
  2. California Inst. of Technology (CalTech), Pasadena, CA (United States)
  3. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Density matrix embedding theory (DMET) is a quantum embedding theory for strongly correlated systems. From a computational perspective, one bottleneck in DMET is the optimization of the correlation potential to achieve self-consistency, especially for heterogeneous systems of large size. We introduce a new approach, called projected DMET (p-DMET), which achieves self-consistency without needing to optimize the correlation potential. We demonstrate the performance of p-DMET on the two-dimensional Hubbard model.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC); US Air Force Office of Scientific Research (AFOSR); National Science Foundation (NSF)
Grant/Contract Number:
AC02-05CH11231; SC0017867; CAMERA
OSTI ID:
1572045
Alternate ID(s):
OSTI ID: 1549983
Journal Information:
Journal of Chemical Physics, Vol. 151, Issue 6; ISSN 0021-9606
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 12 works
Citation information provided by
Web of Science

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Cited By (1)

Self-Consistent Density-Functional Embedding: A Novel Approach for Density-Functional Approximations journal September 2019

Figures / Tables (12)