Bibliographic Citation
| Document | For copies of Journal Articles, please contact the Publisher or your local public or university library and refer to the information in the Resource Relation field. For copies of other documents, please see the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or Document Availability. |
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| Title | The theory of the superfluid Bose liquid |
| Creator/Author | Krasil`nikov, V.V. ; Peletminskii, S.V. [Khar`kov Physico-Technical Inst. (Ukraine)] |
| Publication Date | 1993 Mar 01 |
| OSTI Identifier | OSTI ID: 115025 |
| Other Number(s) | PPNUER; ISSN 1063-7796 |
| Resource Type | Journal Article |
| Resource Relation | Physics of Particles and Nuclei ; VOL. 24 ; ISSUE: 2 ; PBD: Mar-Apr 1993; TN: Translated from Fizika Elementarnykh Chastits i Atomnogo Yadra; 24: No. 2, 463-511(Mar-Apr 1993) |
| Subject | 66 PHYSICS ; BOSE-EINSTEIN GAS; SUPERFLUIDITY; FERMI GAS; ENTROPY; QUASI PARTICLES; CORRELATION FUNCTIONS; HIGH-TC SUPERCONDUCTORS; BOSE-EINSTEIN CONDENSATION |
| Description/Abstract | A self-consistent theory of the superfluid Bose liquid is constructed on the basis of a generalization of the Fermi-liquid approach to superfluidity. The semiphenomenological theory of the superfluid Bose liquid developed here is based on specifying the system energy as a functional of both the quasiparticle condensate amplitudes and the normal and anomalous correlation functions of the above-condensate quasiparticles. The expression found for the entropy is used together with the variational principle to obtain the self-consistency equations for the equilibrium correlation functions and the quasiparticle condensate amplitudes. Collisionless kinetic equations for the normal and anomalous correlation functions and the condensate amplitudes are formulated. These equations are used to study the oscillations of a spatially homogeneous Bose liquid with the condition that all the particles are in the condensate. The relation between the formalism developed here and the results obtained by Bogolyubov for a weakly nonideal Bose gas is traced, and the equations for two-liquid ideal hydrodynamics are constructed without assuming Galilean invariance of the energy functional. 54 refs. |
| Country of Publication | United States |
| Language | English |
| Format | pp. 200-218 ; PL: |
| System Entry Date | 2001 May 03 |
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Last Updated: 02/09/2009