References
- Andrews , M. R. , Kurn , D. M. , Miesner , H.-J. , Durfee , D. S. , Townsend , C. G. , Inouye , S. and Ketterle , W. 1997 . Phys. Rev. Lett. , 79 : 553
- Bogoliubov , N. N. 1947 . J. Phys. USSR , 11 : 23
- Chapline , G. 1992a . Mod. Phys. Lett. A , 7 : 1959
- Black , T. D. , eds. 1992b . Foundations of Quantum Mechanics , Singapore : World Scientific .
- Cornish , S. L. , Claussen , N. R. , Roberts , J. L. , Cornell , E. A. and Wieman , C. E. 2000 . Phys. Rev. Lett. , 85 : 11795
- Domb , C. 1996 . A Historical Introduction to the Modern Theory of Critical Phenomena , Bristol, PA : Taylor and Francis .
- Eddington , A. S. 1965 . The Mathematical Theory of Relativity , London : Cambridge University Press .
- Eleftheriou , A. and Huang , K. 1999 . Instability of a Bose-Einstein condensate with attractive interaction . (cond-mat/9908229)
- Gammal , A. , Frederico , T. , Tomio , L. and Chomaz , Ph. 2000 . Phys. Rev.A , 61 : 051602
- Garay , L. J. , Anglin , J. R. , Cirac , J. I. and Zoller , P. 2000 . Phys. Rev. Lett. , 85 : 4643
- Glyde , H. R. 1994 . Excitations of Liquid and Solid Helium , New York : Oxford University Press .
- Grimes , C. C. and Adams , G. 1992 . Phys. Rev. B , 45 : 2035 and references therein
- Gross , E. P. 1963 . J. Math. Phys. , 4 : 195
- Hawking , S. 1976 . Phys. Rev. D , 14 : 2460
- Huang , K. 1963 . Statistical Mechanics , p. 40 New York : Wiley .
- Inouye , S. , Andrews , M. R. , Stenger , J. , Miesner , H.-J. , Stamper-Kurn , D. M. and Ketterle , W. 1998 . Nature , 392 : 151
- Jackobson , T. A. and Volovik , G. E. 1998 . Phys. Rev. D , 58 : 064021
- Khalatnikov , I. M. 1965 . An Introduction to the Theory of Superfluidity , p. 53 New York : Benjamin .
- Landau , L. 1941 . J. Phys. USSR , 5 : 71
- Miller , M. D. , Nosanow , L. H. and Parish , L. J. 1977 . Phys. Rev. B , 15 : 214
- Mohazzab , M. 2000 . J. low temp. Phys. , (in the press)
- Pitaevskii , L. P. 1961 . Zh. Eksp. Teor. Fiz. , 40 : 646
- Soviet Phys. JETP , 13 451
- Price , R. H. 1972 . Phys. Rev. D. , 5 : 2419
- Sachdev , S. 1999 . Quantum Phase Transitions , p. 214 Cambridge : Cambridge University Press .
- Sachdev , S. , Senthil , T. and Shankar , R. 1994 . Phys. Rev. B , 50 : 258
- Sakharov , A. 1968 . Soviet Phys. Dok. , 12 : 1040
- Stanley , H. E. 1971 . Introduction to Phase Transitions and Critical Phenomena , New York : Oxford University Press .
- Stenger , J. , Inouye , S. , Andrews , M. R. , Miesner , H.-J. , Stamper-Kurn , D. M. and Ketterle , W. 1999 . Phys. Rev. Lett. , 82 : 2422
- Susskind , L. 1993 . Phys. Rev. Lett. , 71 : 2367
- 'tHooft , G. 1999 . Class. Quant. Grav. , 16 : 3263
- Ueda , M. and Huang , K. 1999 . Phys. Rev. A , 60 : 3317
- Unruh , W. G. 1981 . Phys. Rev. Lett. , 46 : 1351
- Volovik , G. E. 1999 . JETP Lett. , 69 : 705
- Phys. Rep. , 2000 (in the press)