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Generalized Thermalization in an Integrable Lattice System
Amy C. Cassidy, Charles W. Clark, Marcos Rigol
After a quench, observables in an integrable system may not relax to the standard thermal values, but can relax to the ones predicted by the generalized Gibbs ensemble (GGE) [M. Ri…
Ultracold Fermion Cooling Cycle using Heteronuclear Feshbach Resonances
M. A. Morales, N. Nygaard, J. E. Williams +1
We consider an ideal gas of Bose and Fermi atoms in a harmonic trap, with a Feshbach resonance in the interspecies atomic scattering that can lead to formation of fermionic molecul…
Bragg Spectroscopy of ultracold atoms loaded in an optical lattice
Ana Maria Rey, P. Blair Blakie, Guido Pupillo +2
We study Bragg spectroscopy of ultra-cold atoms in one-dimensional optical lattices as a method for probing the excitation spectrum in the Mott insulator phase, in particular the o…
Dark soliton states of Bose-Einstein condensates in anisotropic traps
D. L. Feder, M. S. Pindzola, L. A. Collins +2
Dark soliton states of Bose-Einstein condensates in harmonic traps are studied both analytically and computationally by the direct solution of the Gross-Pitaevskii equation in thre…
Nucleation of vortex arrays in rotating anisotropic Bose-Einstein condensates
David L. Feder, Charles W. Clark, Barry I. Schneider
The nucleation of vortices and the resulting structures of vortex arrays in dilute, trapped, zero-temperature Bose-Einstein condensates are investigated numerically. Vortices are g…
Ideal Gases in Time-Dependent Traps
Georg M. Bruun, Charles W. Clark
We investigate theoretically the properties of an ideal trapped gas in a time-dependent harmonic potential. Using a scaling formalism, we are able to present simple analytical resu…