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Energy and Heat Fluctuations in a Temperature Quench
Zannetti, M; Corberi, F; Gonnella, G; Piscitelli, A; Zannetti, M (reprint author), Univ Salerno, Dipartimento Fis E Caianiello, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy.
2014
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号62期号:4页码:555-570
摘要Fluctuations of energy and heat are investigated during the relaxation following the instantaneous temperature quench of an extended system. Results are obtained analytically for the Gaussian model and for the large N model quenched below the critical temperature T-c. The main finding is that fluctuations exceeding a critical threshold do condense. Though driven by a mechanism similar to that of Bose Einstein condensation, this phenomenon is an out-of-equilibrium feature produced by the breaking of energy equipartition occurring in the transient regime. The dynamical nature of the transition is illustrated by phase diagrams extending in the time direction.
部门归属[Zannetti, M. ; Corberi, F.] Univ Salerno, Dipartimento Fis E Caianiello, I-84084 Fisciano, SA, Italy ; [Zannetti, M. ; Corberi, F.] Univ Salerno, CNISM, Unita Salerno, I-84084 Fisciano, SA, Italy ; [Zannetti, M.] Chinese Acad Sci, Kavali Inst Theoret Phys China, Beijing 100190, Peoples R China ; [Gonnella, G.] Univ Bari, Dipartmento Fis, I-70126 Bari, Italy ; [Gonnella, G.] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy ; [Piscitelli, A.] Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys Sci, Singapore 637371, Singapore
关键词Statistical-mechanics Growth-kinetics Dynamics Models Dissipation Relaxation
学科领域Physics
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15637
专题理论物理所SCI论文
通讯作者Zannetti, M (reprint author), Univ Salerno, Dipartimento Fis E Caianiello, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy.
推荐引用方式
GB/T 7714
Zannetti, M,Corberi, F,Gonnella, G,et al. Energy and Heat Fluctuations in a Temperature Quench[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2014,62(4):555-570.
APA Zannetti, M,Corberi, F,Gonnella, G,Piscitelli, A,&Zannetti, M .(2014).Energy and Heat Fluctuations in a Temperature Quench.COMMUNICATIONS IN THEORETICAL PHYSICS,62(4),555-570.
MLA Zannetti, M,et al."Energy and Heat Fluctuations in a Temperature Quench".COMMUNICATIONS IN THEORETICAL PHYSICS 62.4(2014):555-570.
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