Vorticity expansion approximation of the exchange-correlation energy functional in current density functional theory
Physical Review B - Condensed Matter and Materials Physics Volume 74 Issue 19
Page 195122-1-195122-8
published_at 2006-11-22
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| File | |
| Title ( eng ) |
Vorticity expansion approximation of the exchange-correlation energy functional in current density functional theory
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| Creator |
Higuchi Masahiko
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| Source Title |
Physical Review B - Condensed Matter and Materials Physics
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| Volume | 74 |
| Issue | 19 |
| Start Page | 195122-1 |
| End Page | 195122-8 |
| Abstract |
We propose the vorticity expansion approximation (VEA) formulas of the exchange and correlation energy functionals of the current density functional theory (CDFT). They have a form of the second-order expansion with respect to the vorticity. Expansion coefficients are determined by requiring them to satisfy exact relations that have been derived from scaling properties of exchange and correlation energy functionals. Resultant VEA formulas satisfy a larger number of exact relations than those of the local-density approximation of the CDFT. Due to the well-behaved forms, the VEA formulas can be in quite good agreement with the exchange and correlation energies of the homogeneous electron liquid under a uniform magnetic field.
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
American Physical Society
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| Date of Issued | 2006-11-22 |
| Rights |
Copyright (c) 2006 American Physical Society.
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1098-0121
[DOI] 10.1103/PhysRevB.74.195122
[NCID] AA11187113
[DOI] http://dx.doi.org/10.1103/PhysRevB.74.195122
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