On confined fractional charges: a simple model

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dc.creatorPollmann, F.
dc.creatorFulde, P.
dc.date2006-04-28
dc.date.accessioned2026-07-07T07:08:38Z
dc.date.available2026-07-07T07:08:38Z
dc.descriptionWe address the question whether features known from quantum chromodynamics (QCD) can possibly also show up in solid-state physics. It is shown that spinless fermions of charge $e$ on a checkerboard lattice with nearest-neighbor repulsion provide for a simple model of confined fractional charges. After defining a proper vacuum the system supports excitations with charges $\pm e/2$ attached to the ends of strings. There is a constant confining force acting between the fractional charges. It results from a reduction of vacuum fluctuations and a polarization of the vacuum in the vicinity of the connecting strings.
dc.description5 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0604666
dc.identifierhttp://arxiv.org/abs/cond-mat/0604666
dc.identifierEurophys. Lett., 75 (1), pp. 133-138 (2006)
dc.identifierdoi:10.1209/epl/i2006-10092-x
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/110782
dc.subjectStrongly Correlated Electrons
dc.titleOn confined fractional charges: a simple model
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