期刊
EUROPEAN PHYSICAL JOURNAL A
卷 52, 期 6, 页码 -出版社
SPRINGER
DOI: 10.1140/epja/i2016-16174-2
关键词
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资金
- DFG [CRC 110]
- U.S. Department of Energy [DE-FG02-03ER41260]
- U.S. National Science Foundation [PHY-1307453]
- Chinese Academy of Sciences (CAS) President's International Fellowship Initiative (PIFI) [2015VMA076]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1307453] Funding Source: National Science Foundation
In this paper we discuss the adiabatic projection method, a general framework for scattering and reaction calculations on the lattice. We also introduce several new techniques developed to study nucleus-nucleus scattering and reactions on the lattice. We present technical details of the method for large-scale problems. To estimate the systematic errors of the calculations we consider simple two-particle scattering on the lattice. Then we benchmark the accuracy and efficiency of the numerical methods by applying these to calculate fermion-dimer scattering in lattice effective field theory with and without a long-range Coulomb potential. The fermion-dimer calculations correspond to neutron-deuteron and proton-deuteron scattering in the spin-quartet channel at leading order in the pionless effective field theory.
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