Open AccessTHEORY OF TWO-DIMENSIONAL FERMI LIQUIDS (Ⅲ)——TRA-NSPORT PROPERTIES AND SOUND PROPAGATION
Author(s) -
崔世民,
蔡建华
Publication year - 1990
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.39.580
Subject(s) - fermi gamma ray space telescope , diffusion , sound propagation , physics , thermal conductivity , viscosity , collision , sound (geography) , speed of sound , series (stratigraphy) , condensed matter physics , thermodynamics , acoustics , computer science , paleontology , computer security , biology
We discuss transport properties and sound propagation of 2-D Fermi liquids. Microscopic expressions for the coefficients of diffusion, viscosity and thermal conductivity are derived using Resibois method. Velocities of the zeroth and first sounds are calculated. Based on an analysis of collision integral, it is shown that a series of relaxtion time parameters is necessary to define precisely the sound propagation properties in 2-D Fermi liquids, in contrast to the 3-D case.