Universität zu Köln

Marino, Jamir and Diehl, Sebastian (2016). Driven Markovian Quantum Criticality. Phys. Rev. Lett., 116 (7). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

We identify a new universality class in one-dimensional driven open quantum systems with a dark state. Salient features are the persistence of both the microscopic nonequilibrium conditions as well as the quantum coherence of dynamics close to criticality. This provides a nonequilibrium analogue of quantum criticality, and is sharply distinct from more generic driven systems, where both effective thermalization as well as asymptotic decoherence ensue, paralleling classical dynamical criticality. We quantify universality by computing the full set of independent critical exponents within a functional renormalization group approach.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Marino, Jamir UNSPECIFIED UNSPECIFIED UNSPECIFIED Diehl, Sebastian UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-284391
DOI:	10.1103/PhysRevLett.116.070407
Journal or Publication Title:	Phys. Rev. Lett.
Volume:	116
Number:	7
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 FUNCTIONAL RENORMALIZATION-GROUP; BOSE-EINSTEIN CONDENSATION; PHASE-TRANSITIONS; TRAPPED IONS; STATES; DISSIPATION; SIMULATOR Multiple languages Physics, Multidisciplinary Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/28439