Universität zu Köln

Popkov, Vladislav ORCID: 0000-0002-8893-3678 and Prosen, Tomaz ORCID: 0000-0001-9979-6253 (2015). Infinitely Dimensional Lax Structure for the One-Dimensional Hubbard Model. Phys. Rev. Lett., 114 (12). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

We report a two-parametric irreducible infinitely dimensional representation of the Lax integrability condition for the Fermi Hubbard chain. In addition to being of fundamental interest, hinting at possible novel quantum symmetry of the model, our construction allows for an explicit representation of an exact steady state many-body density operator for a nonequilibrium boundary-driven Hubbard chain with arbitrary (asymmetric) particle source (sink) rates at the left (right) end of the chain and with arbitrary boundary values of chemical potentials.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Popkov, Vladislav UNSPECIFIED orcid.org/0000-0002-8893-3678 UNSPECIFIED Prosen, Tomaz UNSPECIFIED orcid.org/0000-0001-9979-6253 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-409556
DOI:	10.1103/PhysRevLett.114.127201
Journal or Publication Title:	Phys. Rev. Lett.
Volume:	114
Number:	12
Date:	2015
Publisher:	AMER PHYSICAL SOC
Place of Publication:	COLLEGE PK
ISSN:	1079-7114
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language CONSERVATION-LAWS; INTEGRABILITY; CHAINS Multiple languages Physics, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/40955