About: Strong-coupling solution of the bosonic dynamical mean-field theory

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://prb.aps.org/abstract/PRB/v85/i20/e205115
Description	We derive an approximate analytical solution of the self-consistency equations of the bosonic dynamical mean-field theory (B-DMFT) in the strong-coupling limit. The approach is based on a linked-cluster expansion in the hybridization function of normal bosons around the atomic limit. The solution is used to compute the phase diagram of the bosonic Hubbard model for different lattices. We compare our results with numerical solutions of the B-DMFT equations and numerically exact methods, respectively. The very good agreement with those numerical results demonstrates that our approach captures the essential physics of correlated bosons both in the Mott insulator and in the superfluid phase. We derive an approximate analytical solution of the self-consistency equations of the bosonic dynamical mean-field theory (B-DMFT) in the strong-coupling limit. The approach is based on a linked-cluster expansion in the hybridization function of normal bosons around the atomic limit. The solution is used to compute the phase diagram of the bosonic Hubbard model for different lattices. We compare our results with numerical solutions of the B-DMFT equations and numerically exact methods, respectively. The very good agreement with those numerical results demonstrates that our approach captures the essential physics of correlated bosons both in the Mott insulator and in the superfluid phase. (en)
Title	Strong-coupling solution of the bosonic dynamical mean-field theory Strong-coupling solution of the bosonic dynamical mean-field theory (en)
skos:prefLabel	Strong-coupling solution of the bosonic dynamical mean-field theory Strong-coupling solution of the bosonic dynamical mean-field theory (en)
skos:notation	RIV/68378271:_____/12:00383920!RIV13-AV0-68378271
http://linked.open...avai/predkladatel	Fyzikální ústav AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z10100520)
http://linked.open...iv/cisloPeriodika	20
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kauch, Anna
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	171762
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/12:00383920
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	strongly correlated bosons; dynamical mean-field theory; linked-cluster expansion; optical lattices; Mott insulators; superfluid (en)
http://linked.open.../riv/klicoveSlovo	optical lattices dynamical mean-field theory superfluid Mott insulators linked-cluster expansion strongly correlated bosons
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[EF4E5E11851F]
http://linked.open...i/riv/nazevZdroje	Physical Review. B
http://linked.open...in/vavai/riv/obor	BE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	85
http://linked.open...iv/tvurceVysledku	Byczuk, K. Vollhardt, D. Kauch, Anna
http://linked.open...ain/vavai/riv/wos	000303794900006
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry
issn	1098-0121
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevB.85.205115
is http://linked.open...avai/riv/vysledek of	Strong-coupling solution of the bosonic dynamical mean-field theory

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