Quantum subdiffusion with two- and three-body interactions

Igor I. Yusipov, Tetyana V. Laptyeva, Anna Yu. Pirova, Iosif B. Meyerov, Sergej Flach and Mikhail V. Ivanchenko ()
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Igor I. Yusipov: Lobachevsky State University of Nizhny Novgorod
Tetyana V. Laptyeva: Theory of Control and Dynamical Systems Department, Lobachevsky State University of Nizhny Novgorod
Anna Yu. Pirova: Lobachevsky State University of Nizhny Novgorod
Iosif B. Meyerov: Lobachevsky State University of Nizhny Novgorod
Sergej Flach: Center for Theoretical Physics of Complex Systems, Institute for Basic Science
Mikhail V. Ivanchenko: Lobachevsky State University of Nizhny Novgorod

The European Physical Journal B: Condensed Matter and Complex Systems, 2017, vol. 90, issue 4, 1-7

Abstract: Abstract We study the dynamics of a few-quantum-particle cloud in the presence of two- and three-body interactions in weakly disordered one-dimensional lattices. The interaction is dramatically enhancing the Anderson localization length ξ 1 of noninteracting particles. We launch compact wave packets and show that few-body interactions lead to transient subdiffusion of wave packets, m 2 ~ t α , α

Keywords: Solid; State; and; Materials (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1140/epjb/e2017-70722-7

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