Kicked rotor quantum resonances in position space

Details Kicked rotor quantum resonances in position space Kicked rotor quantum resonances in position space

2007-11-11

arxiv.org/abs/0711.1674v1

Physical Review A: Atomic, Molecular and Optical Physics 77, 4 (2008) 043628

Physics

Quantum Physics

5 figures, format RevTeX 4

Scientific paper

10.1103/PhysRevA.77.043628

We present an approach of the kicked rotor quantum resonances in position-space, based on its analogy with the optical Talbot effect. This approach leads to a very simple picture of the physical mechanism underlying the dynamics and to analytical expressions for relevant physical quantities, such as mean momentum or kinetic energy. The ballistic behavior, which is closely associated to quantum resonances, is analyzed and shown to emerge from a coherent adding of successive kicks applied to the rotor thanks to a periodic reconstruction of the spatial wavepacket.

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