Physics – Condensed Matter – Other Condensed Matter
Scientific paper
2005-06-16
Phys. Rev. A 73, 041609(R) (2006)
Physics
Condensed Matter
Other Condensed Matter
Scientific paper
10.1103/PhysRevA.73.041609
Cold atom optical lattices allow for the study of quantum localization and mobility edges in a disorder-free environment. We predict the existence of an Anderson-like insulator with sharp mobility edges in a one-dimensional nearly-periodic optical lattice. We show that the mobility edge manifests itself as the early onset of pinning in center of mass dipole oscillations in the presence of a magnetic trap which should be observable in optical lattices.
Sarma Sankar Das
Scarola Vito W.
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