Low Temperature Physics: 29, 501 (2003); https://doi.org/10.1063/1.1542538 (4 pages)
Физика Низких Температур: Том 29, Выпуск 6 (Июнь 2003), c. 674-677    ( к оглавлению , назад )

Phonons and rotons of trapped atoms in gravitational field

D.B. Baranov and V.S. Yarunin

Bogoliubov Laboratory of Theoretical Physics Joint Institute for Nuclear Research, Dubna 141980, Russia
E-mail: yarunin@thsun1.jinr.ru

Received December 19, 2002


The excitations of trapped atoms with a Bose-Einstein condensate in a trap are determined by the conservation of common phonon and roton numbers of atomic motion, and these properties depend on the presence of gravitational field.

05.70.Jk - Critical point phenomena