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- Nick P. Proukakis, Keith Burnett
- Journal of research of the National Institute ofâ€¦
- 1996

We describe generalized time-dependent mean-field equations for partially condensed samples of trapped and evaporatively cooled atoms. These equations give a way of investigating the various orderâ€¦ (More)

- Nick P. Proukakis, N. G. Parker, Carlo F. Barenghi, And C S Adams
- Physical review letters
- 2004

A dark soliton oscillating in an elongated harmonically confined atomic Bose-Einstein condensate continuously exchanges energy with the sound field. Periodic optical paddles are employed toâ€¦ (More)

Dark solitons have been observed in homogeneous optical fibers, and, more recently, in harmonically confined atomic Bose-Einstein condensates. This paper presents an overview of some of the commonâ€¦ (More)

- Stuart P. Cockburn, Hector E. Nistazakis, T. P. Horikis, Panayotis G. Kevrekidis, Nick P. Proukakis, Dimitri J. Frantzeskakis
- Physical review letters
- 2010

The dynamics of dark matter-wave solitons in elongated atomic condensates are discussed at finite temperatures. Simulations with the stochastic Gross-Pitaevskii equation reveal a noticeable,â€¦ (More)

The theoretical description of trapped weakly-interacting Bose-Einstein condensates is characterized by a large number of seemingly very different approaches which have been developed over the courseâ€¦ (More)

- Angela C White, Carlo F. Barenghi, Nick P. Proukakis, Anthony J Youd, Daniel Wacks
- Physical review letters
- 2010

In a recent experiment Paoletti [Phys. Rev. Lett. 101, 154501 (2008)]10.1103/PhysRevLett.101.154501 monitored the motion of tracer particles in turbulent superfluid helium and inferred that theâ€¦ (More)

D. Yan,1 R. Carretero-GonzÃ¡lez,2 D. J. Frantzeskakis,3 P. G. Kevrekidis,1 N. P. Proukakis,4 and D. Spirn5 1Department of Mathematics and Statistics, University of Massachusetts Amherst, Amherst,â€¦ (More)

The classical-field formalism has been widely applied in the calculation of normal correlation functions, and the characterization of condensation, in finite-temperature Bose gases. Here we discussâ€¦ (More)

- N. G. Parker, Nick P. Proukakis, Carlo F. Barenghi, Charles S. Adams
- Physical review letters
- 2004

The low temperature dynamics of a vortex in a trapped quasi-two-dimensional Bose-Einstein condensate are studied quantitatively. Precession of an off-centered vortex in a dimple trap, embedded in aâ€¦ (More)

We consider the dynamics of a dark soliton in an elongated harmonically trapped Bose-Einstein condensate. A central question concerns the behavior at finite temperatures, where dissipation arises dueâ€¦ (More)