期刊
PHYSICAL REVIEW LETTERS
卷 104, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.104.054101
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资金
- ANR-COSTUME [08-SYSC-004-03]
We report theoretically and experimentally in an optical system a process of anomalous thermalization of one-dimensional nonlinear Hamiltonian waves. It is characterized by an irreversible evolution of the waves towards a specific equilibrium state of a fundamental different nature than the expected thermodynamic equilibrium state. A kinetic approach of the problem reveals that this phenomenon is due to the existence of a local invariant in frequency space. A novel family of equilibrium distributions is discovered, which is found in quantitative agreement with the numerical simulations.
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