Semiclassical corrections to the oscillation frequencies of a trapped bose-einstein condensate
Publication
, Journal Article
Braaten, E; Pearson, J
Published in: Physical Review Letters
January 1, 1999
The oscillation frequencies of collective excitations of a trapped Bose-Einstein condensate, when calculated in the mean-field approximation and in the Thomas-Fermi limit, are independent of the scattering length a. We calculate the leading corrections to the frequencies from quantum fluctuations around the mean field. The semiclassical correction is proportional to N1/5a6/5where N is the number of atoms in the condensate. The correction is positive semidefinite and is zero for surface modes whose eigenfunctions have a vanishing Laplacian. The shift in the frequency of the lowest quadrupole mode for an axially symmetric trap is large enough that it should be measurable in future experiments. © 1999 The American Physical Society.
Duke Scholars
Published In
Physical Review Letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
January 1, 1999
Volume
82
Issue
2
Start / End Page
255 / 258
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences
Citation
APA
Chicago
ICMJE
MLA
NLM
Braaten, E., & Pearson, J. (1999). Semiclassical corrections to the oscillation frequencies of a trapped bose-einstein condensate. Physical Review Letters, 82(2), 255–258. https://doi.org/10.1103/PhysRevLett.82.255
Braaten, E., and J. Pearson. “Semiclassical corrections to the oscillation frequencies of a trapped bose-einstein condensate.” Physical Review Letters 82, no. 2 (January 1, 1999): 255–58. https://doi.org/10.1103/PhysRevLett.82.255.
Braaten E, Pearson J. Semiclassical corrections to the oscillation frequencies of a trapped bose-einstein condensate. Physical Review Letters. 1999 Jan 1;82(2):255–8.
Braaten, E., and J. Pearson. “Semiclassical corrections to the oscillation frequencies of a trapped bose-einstein condensate.” Physical Review Letters, vol. 82, no. 2, Jan. 1999, pp. 255–58. Scopus, doi:10.1103/PhysRevLett.82.255.
Braaten E, Pearson J. Semiclassical corrections to the oscillation frequencies of a trapped bose-einstein condensate. Physical Review Letters. 1999 Jan 1;82(2):255–258.
Published In
Physical Review Letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
January 1, 1999
Volume
82
Issue
2
Start / End Page
255 / 258
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences