209 citations · 5.6k across the 322 of their papers we have counts for
15 papers · 1 filter
Modified semiclassical approximation for trapped Bose gases
V. I. Yukalov
A generalization of the semiclassical approximation is suggested allowing for an essential extension of its region of applicability. In particular, it becomes possible to describe…
Normal and Anomalous Averages for Systems with Bose-Einstein Condensate
V. I. Yukalov, E. P. Yukalova
The comparative behaviour of normal and anomalous averages as functions of momentum or energy, at different temperatures, is analysed for systems with Bose-Einstein condensate. Thr…
Fermi-Bose mapping for one-dimensional Bose gases
V. I. Yukalov, M. D. Girardeau
One-dimensional Bose gases are considered, interacting either through the hard-core potentials or through the contact delta potentials. Interest in these gases gained momentum beca…
Topological Coherent Modes in Trapped Bose Gas
V. I. Yukalov, K. -P. Marzlin, E. P. Yukalova +1
The report reviews the problem of topological coherent modes, which are nonlinear collective states of Bose-condensed atoms. Such modes can be generated by means of alternating ext…
Nonlinear spin relaxation in strongly nonequilibrium magnets
V. I. Yukalov
A general theory is developed for describing the nonlinear relaxation of spin systems from a strongly nonequilibrium initial state, when, in addition, the sample is coupled to a re…
Spin superradiance versus atomic superradiance
V. I. Yukalov
A comparative analysis is given of spin superradiance and atomic superradiance. Their similarities and distinctions are emphasized. It is shown that, despite a close analogy, these…