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  • Nonequilibrium propagation and decay of a bound pair in driven t-J models
    Bonča, Janez, 1960- ; Mierzejewski, Marcin ; Vidmar, Lev
    We perform an accurate time-dependent numerical study of an out-of-equilibrium response of a bound state within t-J systems on a two-leg ladder and a square lattice. We show that the bound hole pair ... decays with the onset of finite steady current if both mechanisms for binding and the dissipation share matching degrees of freedom. Moreover, by investigating the mechanism of decay on the square lattice we find that the dynamics is governed by the decay in the direction perpendicular to the electric field, leading to much shorter decay times in comparison to the ladder where such dynamics is topologically restricted.
    Source: Physical review letters. - ISSN 0031-9007 (Vol. 109, iss. 15, 2012, str. 156404-1-156404-5)
    Type of material - article, component part ; adult, serious
    Publish date - 2012
    Language - english
    COBISS.SI-ID - 2492516

source: Physical review letters. - ISSN 0031-9007 (Vol. 109, iss. 15, 2012, str. 156404-1-156404-5)
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