Universität zu Köln

Bagrets, Dmitry ORCID: 0000-0002-3985-4834, Altland, Alexander ORCID: 0000-0002-2991-4805 and Kamenev, Alex (2016). Sinai Diffusion at Quasi-1D Topological Phase Transitions. Phys. Rev. Lett., 117 (19). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

We consider critical quantum transport in disordered topological quantum wires at the transition between phases with different topological indices. Focusing on the example of thermal transport in class D (Majorana) quantum wires, we identify a transport universality class distinguished for anomalous retardation in the propagation of excitations-a quantum generalization of Sinai diffusion. We discuss the expected manifestations of this transport mechanism for heat propagation in topological superconductors near criticality and provide a microscopic theory explaining the phenomenon.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Bagrets, Dmitry UNSPECIFIED orcid.org/0000-0002-3985-4834 UNSPECIFIED Altland, Alexander UNSPECIFIED orcid.org/0000-0002-2991-4805 UNSPECIFIED Kamenev, Alex UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-257328
DOI:	10.1103/PhysRevLett.117.196801
Journal or Publication Title:	Phys. Rev. Lett.
Volume:	117
Number:	19
Date:	2016
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1079-7114
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Physics > Institute for Theoretical Physics
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language NONCRYSTALLINE SYSTEMS; SUPERCONDUCTORS; INSULATORS; CONDUCTION; STATES Multiple languages Physics, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/25732