Universität zu Köln

Ristig, M. L. and Gernoth, K. A. (2010). Statistical Properties of Strongly Correlated Quantum Liquids. Found. Phys., 40 (9-10). S. 1253 - 1263. NEW YORK: SPRINGER. ISSN 1572-9516

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Abstract

Modern microscopic theory is employed to construct a powerful analytical algorithm that permits a clear description of characteristic features of strongly correlated quantum fluids in thermodynamic equilibrium. Using recently developed formal results we uncover an intricate relationship between strongly correlated systems and free quantum gases of appropriately defined constituents. The latter entities are precisely defined renormalized bosons or fermions. They carry all the information contained in the statistical correlations of the strongly interacting many-particle system by virtue of their effective masses. The mass of such a renormalized boson or fermion depends in a specific form on temperature, bulk particle number density of the many-body system, and eventually on momentum. Due to these properties the renormalized bosons and fermions determine in particular the location and nature of the transition to non-normal phases.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Ristig, M. L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Gernoth, K. A. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-495545
DOI:	10.1007/s10701-009-9370-1
Journal or Publication Title:	Found. Phys.
Volume:	40
Number:	9-10
Page Range:	S. 1253 - 1263
Date:	2010
Publisher:	SPRINGER
Place of Publication:	NEW YORK
ISSN:	1572-9516
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language DENSITY-MATRIX THEORY; NONZERO TEMPERATURES; BOSON SUPERFLUIDS; HELIUM; STATES; PHASE Multiple languages Physics, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/49554