期刊
PHYSICAL REVIEW D
卷 87, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.114512
关键词
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资金
- National Energy Research Scientific Computing Center (NERSC, Office of Science of the US DOE) [DE-AC02-05CH11231]
- DOE [DE-AC05-06OR23177, DE-FG02-04ER41302]
- DOE OJI [DE-SC0001784]
- Jeffress Memorial Trust [J-968]
We consider the problem of calculating the large number of Wick contractions necessary to compute states with the quantum numbers of many baryons in lattice QCD. We consider a constructive approach and a determinant-based approach and show that these methods allow the required contractions to be performed in a computationally manageable amount of time for certain choices of interpolating operators. Examples of correlation functions computed using these techniques are shown for the quantum numbers of the light nuclei, He-4, Be-8, C-12, O-16, and Si-28.
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