Equation-of-motion approach to the critical dynamics of liquid helium at the lambda point View Full Text


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Article Info

DATE

1979-08

AUTHORS

Richard A. Ferrell, Jayanta K. Bhattacharjee

ABSTRACT

A complete treatment of dynamic scaling in liquid helium at the lambda point is developed straightforwardly from explicit application of the nonlinear mode-coupling equations of motion, without Langevin noise terms. Special attention is given to the ratio w of the order-parameter and entropy relaxation rates. Various estimates indicate w = O(0.1), which produces a characteristic double-humped fluctuation spectrum, amenable to experimental verification. Further details are a thorough study of the transient solutions as well as the presentation of a new expansion scheme similar to the ɛ expansion but of superior accuracy. More... »

PAGES

165-224

References to SciGraph publications

  • 1976-03. Renormalized field theory of critical dynamics in ZEITSCHRIFT FÜR PHYSIK B CONDENSED MATTER
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/bf00174918

    DOI

    http://dx.doi.org/10.1007/bf00174918

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1000752968


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