Micklitz, T., Mueller, C. A. and Altland, A. (2015). Echo spectroscopy of Anderson localization. Phys. Rev. B, 91 (6). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1550-235X

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Abstract

We propose a framework to study the onset of Anderson localization in disordered systems. The idea is to expose waves propagating in a random scattering environment to a sequence of short dephasing pulses. The system responds through coherence peaks forming at specific echo times, each echo representing a particular process of quantum interference. We suggest a concrete realization for cold gases, where quantum interferences are observed in the momentum distribution of matter waves in a laser speckle potential, and discuss in detail corresponding echoes in momentum space for sequences of one and two dephasing pulses. Our proposal defines a challenging but arguably realistic framework promising to yield unprecedented insight into the mechanisms of Anderson localization.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Micklitz, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mueller, C. A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Altland, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-412165
DOI: 10.1103/PhysRevB.91.064203
Journal or Publication Title: Phys. Rev. B
Volume: 91
Number: 6
Date: 2015
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1550-235X
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
BOSE-EINSTEIN CONDENSATE; SIGMA-MODEL; LATTICES; MATTER; LIGHTMultiple languages
Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed MatterMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/41216

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