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Shear viscosity of neutron-rich nucleonic matter near its liquid-gas phase transition
Xu, Jun; Chen, Lie-Wen; Ko, Che Ming; Li, Bao-An; Ma, Yu Gang
2013
Source PublicationPHYSICS LETTERS B
ISSN0370-2693; 1873-2445
Volume727Issue:41642Pages:CONCATENATE(Sheet1!I297,-Sheet1!J297)
AbstractWithin a relaxation time approach using free nucleon-nucleon cross sections modified by the in-medium nucleon masses that are determined from an isospin- and momentum-dependent effective nucleon-nucleon interaction, we investigate the specific shear viscosity (eta/s) of neutron-rich nucleonic matter near its liquid-gas phase transition. It is found that as the nucleonic matter is heated at fixed pressure or compressed at fixed temperature, its specific shear viscosity shows a valley shape in the temperature or density dependence, with the minimum located at the boundary of the phase transition. Moreover, the value of eta/s drops suddenly at the first-order liquid-gas phase transition temperature, reaching as low as 4-5 times the KSS bound of (h) over bar /4 pi. However, it varies smoothly for the second-order liquid-gas phase transition. Effects of the isospin degree of freedom and the nuclear symmetry energy on the value of eta/s are also discussed. (C) 2013 Elsevier B.V. All rights reserved.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000328518400033
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13898
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Xu, Jun,Chen, Lie-Wen,Ko, Che Ming,et al. Shear viscosity of neutron-rich nucleonic matter near its liquid-gas phase transition[J]. PHYSICS LETTERS B,2013,727(41642):CONCATENATE(Sheet1!I297,-Sheet1!J297).
APA Xu, Jun,Chen, Lie-Wen,Ko, Che Ming,Li, Bao-An,&Ma, Yu Gang.(2013).Shear viscosity of neutron-rich nucleonic matter near its liquid-gas phase transition.PHYSICS LETTERS B,727(41642),CONCATENATE(Sheet1!I297,-Sheet1!J297).
MLA Xu, Jun,et al."Shear viscosity of neutron-rich nucleonic matter near its liquid-gas phase transition".PHYSICS LETTERS B 727.41642(2013):CONCATENATE(Sheet1!I297,-Sheet1!J297).
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