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Volumn 90, Issue 11, 2003, Pages

Fluctuation-dissipation relations and energy landscape in an out-of-equilibrium strong-glass-forming liquid

Author keywords

[No Author keywords available]

Indexed keywords

DEGREES OF FREEDOM (MECHANICS); NUMERICAL METHODS; PHASE EQUILIBRIA; SILICA; TEMPERATURE;

EID: 0038643167     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article
Times cited : (10)

References (36)
  • 15
    • 0038221535 scopus 로고    scopus 로고
    • cond-mat/0210089
    • A. Perez-Madrid et al., cond-mat/0210089.
    • Perez-Madrid, A.1
  • 29
    • 0038560191 scopus 로고    scopus 로고
    • note
    • This assertion is limited to "not so far" from equilibrium systems. In general, two parameters are not enough to describe OOE systems.
  • 31
    • 0037546135 scopus 로고    scopus 로고
    • note
    • With saddle-dominated entropic dynamics we mean that the system is exploring the landscape through accessible saddles that lead to lower energy minima. This search is entropic; i.e., activation is due to the probability of finding a direction toward lower energies. In this regime, temperature controls just the velocity of the trajectory in the configuration space and small differences in kinetic temperature are irrelevant on logarithmic scale. If kinetic temperature is too low, after a first phase of entropic search saddles are not accessible anymore and the system has to cross barriers to relax to lower minima; it is therefore expected that there is a relevant dependence of the dynamics on the kinetic temperature. Such a scenario has been proposed for a fragile glass former in [17] and verified in [27].
  • 33
    • 85088493237 scopus 로고    scopus 로고
    • note
    • 4 quenches for each data set in order to obtain data of good quality.
  • 34
    • 85088492609 scopus 로고    scopus 로고
    • note
    • 0 still collapse on each other for values of the field up to 3 times bigger than the ones employed in the simulations.
  • 35
    • 85088490356 scopus 로고    scopus 로고
    • note
    • w). This would have been unfeasible with present computer facilities. It could be achieved at the expense of decreasing by 10 the number of independent realizations and hence increasing the noise level.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.