Coherence vortices in one spatial dimension

Details Coherence vortices in one spatial dimension Coherence vortices in one spatial dimension

2011-11-22

arxiv.org/abs/1111.5096v1

Phys. Rev. A 84, 052104 (2011)

Physics

Quantum Physics

5 pages, 3 figures

Scientific paper

Coherence vortices are screw-type topological defects in the phase of Glauber's two-point degree of quantum coherence, associated with pairs of spatial points at which an ensemble-averaged stochastic quantum field is uncorrelated. Coherence vortices may be present in systems whose dimensionality is too low to support spatial vortices. We exhibit lattices of such quantum-coherence phase defects for a one-dimensional model quantum system. We discuss the physical meaning of coherence vortices and propose how they may be realized experimentally.

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