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Volumn 67, Issue 5, 2004, Pages 779-785

Independence of the relaxation of a supercooled fluid from its microscopic dynamics: Need for yet another extension of the mode-coupling theory

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EID: 4444257183     PISSN: 02955075     EISSN: None     Source Type: Journal    
DOI: 10.1209/epl/i2004-10117-6     Document Type: Article
Times cited : (79)

References (31)
  • 3
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    • ROUX J. N., BARRAT J. L. and HANSEN J. P., J. Phys. Condens. Matter, 1 (1989) 7171; BARRAT J. L., ROUX J. N. and HANSEN J. P., Chem. Phys., 149 (1990) 197.
    • (1990) Chem. Phys. , vol.149 , pp. 197
    • Barrat, J.L.1    Roux, J.N.2    Hansen, J.P.3
  • 7
    • 4444362542 scopus 로고    scopus 로고
    • note
    • To distinguish between the original MCT [4,5] and its later, extended versions [7-9], whenever ambiguity can arise, we will refer to the former one as "the idealized mode-coupling theory".
  • 12
    • 6444235056 scopus 로고
    • KOB W. and ANDERSEN H. C., Phys. Rev. E, 51 (1995) 4626; 52 (1995) 4134.
    • (1995) Phys. Rev. E , vol.52 , pp. 4134
  • 16
    • 4444238416 scopus 로고    scopus 로고
    • note
    • The most often mentioned one concerns the location of the kinetic transition: when computer-simulated structure factors (that constitute the only input required by the theory) are used in mode-coupling calculations, the resulting transition temperature for the Lennard-Jones system studied by Kob et al. is overestimated by a factor of two [11].
  • 19
    • 4444324299 scopus 로고    scopus 로고
    • note
    • Stochastic dynamics is a Newtonian dynamics with addition of a Gaussian-distributed white noise force and a damping force proportional to the particle's velocity.
  • 21
    • 4444313858 scopus 로고    scopus 로고
    • note
    • Note that in computer simulations of colloidal suspensions hydrodynamic interactions are usually neglected.
  • 23
    • 4444344063 scopus 로고    scopus 로고
    • note
    • We are using the Kob-Andersen mixture rather than a more realistic screened-Coulomb (i.e. Yukawa) system in order to be able to directly compare our Brownian dynamics results to those obtained for the same system using Newtonian [10] and stochastic [16] dynamics.
  • 27
    • 4444255333 scopus 로고    scopus 로고
    • PhD Dissertation, unpublished
    • GLEIM T., PhD Dissertation, unpublished.
    • Gleim, T.1
  • 30
    • 4444241715 scopus 로고    scopus 로고
    • note
    • Note that simulational results vary over approximately three decades whereas the experimental ones vary over approximately four decades. However, if long-time diffusion coefficients are normalized by the short-time ones, in both cases the results vary over about three decades.
  • 31
    • 4444366528 scopus 로고    scopus 로고
    • note
    • We thank an anonymous referee for the suggestion.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.