Connection formulas for thermal density functional theory
Abstract
We show that the adiabatic connection formula of ground-state density functional theory relates the correlation energy to a coupling-constant integral over a purely potential contribution, and is widely used to understand and improve approximations. The corresponding formula for thermal density functional theory is cast as an integral over temperatures instead, ranging upward from the system's physical temperature. We also show how to relate different correlation components to each other, either in terms of temperature or coupling-constant integrations. Lastly, we illustrate our results on the uniform electron gas.
- Authors:
-
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Univ. of California, Berkeley, CA (United States). Department of Chemistry
- Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
- Publication Date:
- Research Org.:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1390013
- Alternate Identifier(s):
- OSTI ID: 1254215
- Report Number(s):
- LLNL-JRNL-689924
Journal ID: ISSN 2469-9950; PRBMDO
- Grant/Contract Number:
- AC52-07NA27344; FG02-97ER25308
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review B
- Additional Journal Information:
- Journal Volume: 93; Journal Issue: 20; Journal ID: ISSN 2469-9950
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Pribram-Jones, A., and Burke, K. Connection formulas for thermal density functional theory. United States: N. p., 2016.
Web. doi:10.1103/PhysRevB.93.205140.
Pribram-Jones, A., & Burke, K. Connection formulas for thermal density functional theory. United States. https://doi.org/10.1103/PhysRevB.93.205140
Pribram-Jones, A., and Burke, K. Mon .
"Connection formulas for thermal density functional theory". United States. https://doi.org/10.1103/PhysRevB.93.205140. https://www.osti.gov/servlets/purl/1390013.
@article{osti_1390013,
title = {Connection formulas for thermal density functional theory},
author = {Pribram-Jones, A. and Burke, K.},
abstractNote = {We show that the adiabatic connection formula of ground-state density functional theory relates the correlation energy to a coupling-constant integral over a purely potential contribution, and is widely used to understand and improve approximations. The corresponding formula for thermal density functional theory is cast as an integral over temperatures instead, ranging upward from the system's physical temperature. We also show how to relate different correlation components to each other, either in terms of temperature or coupling-constant integrations. Lastly, we illustrate our results on the uniform electron gas.},
doi = {10.1103/PhysRevB.93.205140},
journal = {Physical Review B},
number = 20,
volume = 93,
place = {United States},
year = {Mon May 23 00:00:00 EDT 2016},
month = {Mon May 23 00:00:00 EDT 2016}
}
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Works referencing / citing this record:
Finite Temperatures by Means of Zero Kelvin Kohn-Sham Formalism of Density-Functional Theory
journal, July 2019
- Querne, Mateus B. P.; Vieira, Daniel
- Brazilian Journal of Physics, Vol. 49, Issue 5