Functional approach to the investigation of collective excitations in homogeneous Fermi systems at T=0

Autor:	V. N. Popov, V. I. Vozyakov
Rok vydání:	1985
Předmět:	Statistics and Probability Physics Formalism (philosophy of mathematics) Homogeneous Applied Mathematics General Mathematics Quantum mechanics Quantum electrodynamics Dispersion relation Quasiparticle Functional approach Fermi Gamma-ray Space Telescope
Zdroj:	Journal of Soviet Mathematics. 30:2257-2260
ISSN:	1573-8795 0090-4104
Popis:	A scheme for the investigation of low-energy collective excitations in homogeneous Fermi systems in the functional integral formalism is proposed. It is shown that the spectrum of collective excitations at T=0 is given by the Landau zero-sound dispersion equation.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::0f5735bf9ad18c78efa8f7beb77832e6 https://doi.org/10.1007/bf02105342 Zobrazit plný text záznamu Full text from SpringerLink