Angular momentum exchange between coherent light and matter fields

Details Angular momentum exchange between coherent light and matter fields Angular momentum exchange between coherent light and matter fields

2007-07-25

arxiv.org/abs/0707.3698v1

Phys. Rev. A 77, 015401 (2008)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 4 figures

Scientific paper

10.1103/PhysRevA.77.015401

Full, three dimensional, time-dependent simulations are presented demonstrating the quantized transfer of angular momentum to a Bose-Einstein condensate from a laser carrying orbital angular momentum in a Laguerre-Gaussian mode. The process is described in terms of coherent Bragg scattering of atoms from a chiral optical lattice. The transfer efficiency and the angular momentum content of the output coupled vortex state are analyzed and compared with a recent experiment.

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