- Abstract:
-
The Feynman-Kleinert linearized path integral molecular dynamics (FK-LPI), ring polymer molecular dynamics (RPMD), and centroid molecular dynamics (CMD) methods are applied to the simulation of normal liquid helium. Comparisons of the simulation results at the T = 4 K and rho = 0.01873 A-3 state point are presented. The calculated quantum correlation functions for the three methods show significant differences, both in the short time and in the intermediate regions of the spectrum. Our simula...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1021/jp075022n
-
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- Journal:
- The journal of physical chemistry. B
- Volume:
- 112
- Issue:
- 2
- Pages:
- 294-300
- Publication date:
- 2008-01-05
- DOI:
- EISSN:
-
1520-5207
- ISSN:
-
1520-6106
- URN:
-
uuid:dde6ec11-ff66-4fc6-81a1-7fb270309f4c
- Source identifiers:
-
34053
- Local pid:
- pubs:34053
- Language:
- English
- Copyright date:
- 2008
Journal article
Comparison of approximate quantum simulation methods applied to normal liquid helium at 4 K.
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