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Phase diagram of exciton condensate in doped two-band Hubbard model

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F14%3A00439226" target="_blank" >RIV/68378271:_____/14:00439226 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1103/PhysRevB.90.235140" target="_blank" >http://dx.doi.org/10.1103/PhysRevB.90.235140</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevB.90.235140" target="_blank" >10.1103/PhysRevB.90.235140</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Phase diagram of exciton condensate in doped two-band Hubbard model

  • Original language description

    Using the dynamical mean-field approximation we investigate the formation of excitonic condensate in the two-band Hubbard model in the vicinity of the spin-state transition. With temperature and band filling as the control parameters we realize all symmetry allowed spin-triplet excitonic phases, some exhibiting a ferromagnetic polarization. While the transitions are first order at low temperatures, at elevated temperatures continuous transitions are found that give rise to a multicritical point. Rapid but continuous transition between ferromagnetic and nonmagnetic excitonic phases allows switching of uniform magnetization by small changes of chemical potential.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA13-25251S" target="_blank" >GA13-25251S: Strong electron correlations in systems with spin-orbit coupling</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review. B

  • ISSN

    1098-0121

  • e-ISSN

  • Volume of the periodical

    90

  • Issue of the periodical within the volume

    23

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

    "235140-1"-"235140-8"

  • UT code for WoS article

    000346825400007

  • EID of the result in the Scopus database