Shear-viscosity-to-entropy-density ratio and phase transition in multifragmentation of quasiprojectile

. Heavy-ion collisions at relativistic energy are studied by the isospin-dependent quantum molecular dynamics model in the company of the GEMINI model. The present study mainly focuses on the liquid-gas phase transition in nuclear matter. We calculate the shear-viscosity-to-entropy-density ratio , a...

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Bibliographic Details
Published in:The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2016-09, Vol.52 (9), p.1-5, Article 281
Main Authors: Zhang, Fan, Li, Cheng, Wen, Pei-Wei, Liu, Hang, Zhang, Feng-Shou
Format: Article
Language:English
Subjects:
Atomic collisions
Density ratio
Entropy
Excitation
Hadrons
Heavy Ions
Ionic collisions
Molecular dynamics
Nuclear Fusion
Nuclear matter
Nuclear Physics
Particle and Nuclear Physics
Phase transitions
Physics
Physics and Astronomy
Regular Article - Theoretical Physics
Shear viscosity
Vapor phases
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Summary:. Heavy-ion collisions at relativistic energy are studied by the isospin-dependent quantum molecular dynamics model in the company of the GEMINI model. The present study mainly focuses on the liquid-gas phase transition in nuclear matter. We calculate the shear-viscosity-to-entropy-density ratio , and the multiplicity of intermediate-mass fragment ( ) in finite-size nuclear sources. At excitation energy 8 MeV a minimum of is found in the coexistence phase of intermediate-mass fragments and light particles. At similar excitation energy a maximum of the is also observed at the same density condition which is an indication of the liquid-gas phase transition.
ISSN:1434-6001
1434-601X
DOI:10.1140/epja/i2016-16281-0