Free-energy transition in a gas of noninteracting nonlinear wave particles (Articolo in rivista)

Type
Label
  • Free-energy transition in a gas of noninteracting nonlinear wave particles (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.101.044101 (literal)
Alternative label
  • A. Fratalocchi (1,2); C. Conti (1,2); G. Ruocco (2,3); S. Trillo (2,4) (2008)
    Free-energy transition in a gas of noninteracting nonlinear wave particles
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Fratalocchi (1,2); C. Conti (1,2); G. Ruocco (2,3); S. Trillo (2,4) (literal)
Pagina inizio
  • 044101 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://prl.aps.org/abstract/PRL/v101/i4/e044101 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 101 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Centro Studi e Ricerche Enrico Fermi, Via Panisperna 89/A, I-00184, Roma, Italy (2) Research Center Soft INFM-CNR, c/o University of Rome Sapienza, I-00185, Roma, Italy (3) Department of Physics, University of Rome Sapienza, I-00185, Rome, Italy (4) Department of Engineering, University of Ferrara, Via Saragat 1, 44100 Ferrara, Italy (literal)
Titolo
  • Free-energy transition in a gas of noninteracting nonlinear wave particles (literal)
Abstract
  • We investigate the dynamics of a gas of noninteracting particlelike soliton waves, demonstrating that phase transitions originate from their collective behavior. This is predicted by solving exactly the nonlinear equations and by employing methods of the statistical mechanics of chaos. In particular, we show that a suitable free energy undergoes a metamorphosis as the input excitation is increased, thereby developing a first-order phase transition whose measurable manifestation is the formation of shock waves. This demonstrates that even the simplest phase-space dynamics, involving independent (uncoupled) degrees of freedom, can sustain critical phenomena. (literal)
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