File:Effective action approach to Bose-Einstein condensation of ideal gases (IA jresv101n4p471).pdf
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[edit]Effective action approach to Bose-Einstein condensation of ideal gases
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Author |
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Title |
Effective action approach to Bose-Einstein condensation of ideal gases |
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Volume | 101 | |
Publisher |
National Institute of Standards and Technology |
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Description |
Journal of Research of the National Institute of Standards and Technology Subjects: zeta functions; Bose-Einstein condensation; symmetry breaking |
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Language | English | |
Publication date |
July 1996 publication_date QS:P577,+1996-07-00T00:00:00Z/10 |
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Current location |
IA Collections: NISTJournalofResearch; NISTresearchlibrary; fedlink; americana |
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Accession number |
jresv101n4p471 |
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Source | ||
Permission (Reusing this file) |
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Short title | Effective action approach to Bose-Einstein condensation of ideal gases |
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Image title | We present a short review of how the effective action formalism, well known in relativistic quantum field theory, can be used to discuss Bose-Einstein condensation of non-relativistic gases. This method lends itself very naturally to an interpretation of Bose-Einstein condensation in terms of symmetry breaking. It also allows for the definition of a very elegant regularization technique involving generalized zeta-functions. We show how this method can be used to recover the well known results for the free boson gas, as well as the charged boson gas in a constant magnetic field. A general criterion for interpreting Bose-Einstein condensation in terms of a phase transition with symmetry breaking is given. Finally we present an analysis of Bose-Einstein condensation in a harmonic oscillator confining potential trap, and show how the results of this simple model are in excellent agreement with experiment. |
Author | Kirsten |
Keywords |
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Software used | LuraDocument PDF Compressor Server 5.6.64.44 |
Conversion program | LuraDocument PDF v2.44 |
Encrypted | no |
Page size | 576 x 756 pts |
Version of PDF format | 1.4 |