Periodically-driven cold atoms: the role of the phase

Details Periodically-driven cold atoms: the role of the phase Periodically-driven cold atoms: the role of the phase

2010-08-12

arxiv.org/abs/1008.2096v8

Physics

Condensed Matter

Quantum Gases

10 pages, 1 figure

Scientific paper

Numerous theoretical and experimental studies have investigated the dynamics of cold atoms subjected to time periodic fields. Novel effects dependent on the amplitude and frequency of the driving field, such as Coherent Destruction of Tunneling have been identified and observed. However, in the last year or so, three distinct types of experiments have demonstrated for the first time, interesting behaviour associated with the driving phase: i.e. for systems experiencing a driving field of general form $V(x)\sin (\omega t + \phi)$, different types of large scale oscillations and directed motion were observed. We investigate and explain the phenomenon of Super-Bloch Oscillations (SBOs) in relation to the other experiments and address the role of initial phase in general. We analyse and compare the role of $\phi$ in systems with homogeneous forces ($V'(x)= const$), such as cold atoms in shaken or amplitude-modulated optical lattices, as well as non-homogeneous forces ($V'(x)\neq const$), such as the sloshing of atoms in driven traps, and clarify the physical origin of the different $\phi$-dependent effects.

Affiliated with

Also associated with

No associations

Rating

Periodically-driven cold atoms: the role of the phase does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Periodically-driven cold atoms: the role of the phase, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Periodically-driven cold atoms: the role of the phase will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-587110