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题名: Equations of motion of test particles for solving the spin-dependent Boltzmann-Vlasov equation
作者: Xia, Y; Xu, J; Li, BA; Shen, WQ
刊名: PHYSICS LETTERS B
出版日期: 2016
卷号: 759, 页码:596-600
DOI: 10.1016/j.physletb.2016.06.029
通讯作者: Xu, J (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China.
文章类型: 期刊论文
英文摘要: A consistent derivation of the equations of motion (EOMs) of test particles for solving the spin-dependent Boltzmann-Vlasov equation is presented. The resulting EOMs in phase space are similar to the canonical equations in Hamiltonian dynamics, and the EOM of spin is the same as that in the Heisenburg picture of quantum mechanics. Considering further the quantum nature of spin and choosing the direction of total angular momentum in heavy-ion reactions as a reference of measuring nucleon spin, the EOMs of spin-up and spin-down nucleons are given separately. The key elements affecting the spin dynamics in heavy-ion collisions are identified. The resulting EOMs provide a solid foundation for using the test-particle approach in studying spin dynamics in heavy-ion collisions at intermediate energies. Future comparisons of model simulations with experimental data will help to constrain the poorly known in-medium nucleon spin-orbit coupling relevant for understanding properties of rare isotopes and their astrophysical impacts. (C) 2016 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP(3).
收录类别: SCI
语种: 英语
WOS记录号: WOS:000380409200079
ISSN号: 0370-2693
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26498
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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