Interacting Bose gas confined by an external potential
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Gnanapragasam, Gnanasangeetha; Das, Mukunda P
Description
Interacting Bose gas confined by an external potential is studied using Green functions in spectral representation. The calculation is presented transparently using the equation of motion method. With this, the interplay between the condensed and the non-condensed atoms is inevitably seen. An expression for the condensate number at finite temperature is obtained in the lowest and first orders, from which depletion of bosons from the ground state is qualitatively analyzed. Finally, we discuss...[Show more]
dc.contributor.author | Gnanapragasam, Gnanasangeetha | |
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dc.contributor.author | Das, Mukunda P | |
dc.date.accessioned | 2015-12-10T22:56:49Z | |
dc.identifier.issn | 0217-751X | |
dc.identifier.uri | http://hdl.handle.net/1885/60393 | |
dc.description.abstract | Interacting Bose gas confined by an external potential is studied using Green functions in spectral representation. The calculation is presented transparently using the equation of motion method. With this, the interplay between the condensed and the non-condensed atoms is inevitably seen. An expression for the condensate number at finite temperature is obtained in the lowest and first orders, from which depletion of bosons from the ground state is qualitatively analyzed. Finally, we discuss the behaviour of the specific heat of a trapped interacting Bose gas in the quasi-continuum limit. | |
dc.publisher | World Scientific Publishing Company | |
dc.source | International Journal of Modern Physics A (IJMPA) | |
dc.subject | Keywords: Beyond mean field; Bose condensation; Condensate number; External confinement; Green functions; Interaction | |
dc.title | Interacting Bose gas confined by an external potential | |
dc.type | Journal article | |
local.description.notes | Imported from ARIES | |
local.identifier.citationvolume | 22 | |
dc.date.issued | 2007 | |
local.identifier.absfor | 010501 - Algebraic Structures in Mathematical Physics | |
local.identifier.ariespublication | u4167262xPUB537 | |
local.type.status | Published Version | |
local.contributor.affiliation | Gnanapragasam, Gnanasangeetha, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Das, Mukunda P, College of Physical and Mathematical Sciences, ANU | |
local.description.embargo | 2037-12-31 | |
local.bibliographicCitation.issue | 27 | |
local.bibliographicCitation.startpage | 4923 | |
local.bibliographicCitation.lastpage | 4936 | |
local.identifier.doi | 10.1142/S0217751X07038281 | |
dc.date.updated | 2015-12-10T07:56:42Z | |
local.identifier.scopusID | 2-s2.0-36249024348 | |
Collections | ANU Research Publications |
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