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Query: journal id: "physicalxreviewxletters"

AuthorsN.J. van Druten, W. Ketterle
TitleTwo-step condensation of the ideal Bose gas in highly anisotropic traps
JournalPhysical review letters
Volume79
Year1997
Issue4
Pages549-552
ISSN10797114
FacultyFaculty of Science
Institute/dept.FNWI: Van der Waals-Zeeman Institute (WZI)
KeywordsBose gas; Anisotropic traps
AbstractThe ideal Bose gas in a highly anisotropic harmonic potential is studied. It is found that Bose-Einstein condensation occurs in two distinct steps as the temperature is lowered. In the first step the specific heat shows a sharp feature, but the system still occupies many one-dimensional quantum states. In the second step, at a significantly lower temperature, the ground state becomes macroscopically occupied. It should be possible to verify these predictions using present-day atom traps. The two-step behavior can occur in a rather general class of anisotropic traps, including the box potential.
Note(c)2000 American Physical Society
Document typeArticle
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