Accession Number : AD0427631


Title :   ASYMPTOTIC FORM OF THE PROPER SELF-ENERGY FUNCTION IN MANY-PARTICLE SYSTEMS,


Corporate Author : CALIFORNIA UNIV SAN DIEGO LA JOLLA


Personal Author(s) : Fredkin,Donald R


Report Date : 11 Jan 1963


Pagination or Media Count : 3


Abstract : The asymptotic form at high frequencies of the reciprocal of a two-time thermodynamic Green's function is shown to be a constant. This constant is expressed as the exact expectation value of a second (functional) derivative of the Hamiltonian. (Author)


Descriptors :   *THERMODYNAMICS , *GREENS FUNCTIONS , PARTICLES , INTEGRAL TRANSFORMS , OPERATORS(MATHEMATICS) , PHONONS , FOURIER ANALYSIS , POLYNOMIALS , SUPERCONDUCTORS , ENERGY


Distribution Statement : APPROVED FOR PUBLIC RELEASE