Fractional Periodicity of Persistent Currents: A Signature of Broken Internal Symmetry

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dc.creatorDeo, P. Singha
dc.creatorKoskinen, P.
dc.creatorKoskinen, M.
dc.creatorManninen, M.
dc.date2001-12-12
dc.date2003-02-10
dc.date.accessioned2026-07-07T02:43:49Z
dc.date.available2026-07-07T02:43:49Z
dc.descriptionWe show from the symmetries of the many body Hamiltonian, cast into the form of the Heisenberg (spin) Hamiltonian, that the fractional periodicities of persistent currents are due to the breakdown of internal symmetry and the spin Hamiltonian holds the explanation to this transition. Numerical diagonalizations are performed to show this explicitely. Persistent currents therefore, provide an easy way to experimentally verify broken internal symmetry in electronic systems.
dc.descriptionminor corrections
dc.identifierhttps://arxiv.org/abs/cond-mat/0112224
dc.identifierhttp://arxiv.org/abs/cond-mat/0112224
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/18655
dc.subjectMesoscale and Nanoscale Physics
dc.titleFractional Periodicity of Persistent Currents: A Signature of Broken Internal Symmetry
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