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Goldstone bosons in presence of charge density

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F07%3A00094032" target="_blank" >RIV/61389005:_____/07:00094032 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Goldstone bosons in presence of charge density

  • Original language description

    We investigated general features of spontaneous symmetry breaking in systems with nonzero density of a conserved charge. Based on a Ward identity for the Noether currents, we proved in a model-independent way that nonzero density of a commutator of two conserved charges implies the existence of a Goldstone boson with quadratic dispersion relation. The general result is illustrated on a number of examples.

  • Czech name

    Goldstoneovy bosony za pritomnosti nabojove hustoty

  • Czech description

    Zkoumali jsme obecné vlastnosti spontánního narušení symetrie v systémech s nenulovou hustotou náboje. Na základě Wardovy identity pro noetherovské proudy jsme dokázali, že při nenulové hustotě komutátoru dvou zachovávajících se nábojů existuje v systémuGoldstoneův boson s kvadratickou disperzní relací. Tento obecný výsledek byl ilustrován na řadě příkladů.

Classification

  • Type

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

  • CEP classification

    BE - Theoretical physics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA202%2F06%2F0734" target="_blank" >GA202/06/0734: Spontaneous breakdown of continuous symmetries in electroweak interactions and in condensed matter of QCD</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2007

  • 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. D

  • ISSN

    0556-2821

  • e-ISSN

  • Volume of the periodical

    75

  • Issue of the periodical within the volume

    10

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    1

  • Pages from-to

    105014-105014

  • UT code for WoS article

  • EID of the result in the Scopus database