Spin-charge separation in strongly interacting finite ladder rings

Julián Rincón; K. Hallberg; A. A. Aligia

doi:10.1103/PhysRevB.78.125115

Spin-charge separation in strongly interacting finite ladder rings

Julián Rincón, K. Hallberg, A. A. Aligia

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9 Citas (Scopus)

Resumen

We study the conductance through Aharonov-Bohm finite ladder rings with strongly interacting electrons, modeled by the prototypical t-J model. For a wide range of parameters we observe characteristic dips in the conductance as a function of magnetic flux, predicted so far only in chains which are a signature of spin and charge separation. These results open the possibility of observing this peculiar many-body phenomenon in anisotropic ladder systems and in real nanoscopic devices.

Idioma original	Inglés estadounidense
Número de artículo	125115
Publicación	Physical Review B - Condensed Matter and Materials Physics
Volumen	78
N.º	12
DOI	https://doi.org/10.1103/PhysRevB.78.125115
Estado	Publicada - sep. 29 2008
Publicado de forma externa	Sí

Áreas temáticas de ASJC Scopus

Materiales electrónicos, ópticos y magnéticos
Física de la materia condensada

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abstract = "We study the conductance through Aharonov-Bohm finite ladder rings with strongly interacting electrons, modeled by the prototypical t-J model. For a wide range of parameters we observe characteristic dips in the conductance as a function of magnetic flux, predicted so far only in chains which are a signature of spin and charge separation. These results open the possibility of observing this peculiar many-body phenomenon in anisotropic ladder systems and in real nanoscopic devices.",

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AU - Hallberg, K.

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AB - We study the conductance through Aharonov-Bohm finite ladder rings with strongly interacting electrons, modeled by the prototypical t-J model. For a wide range of parameters we observe characteristic dips in the conductance as a function of magnetic flux, predicted so far only in chains which are a signature of spin and charge separation. These results open the possibility of observing this peculiar many-body phenomenon in anisotropic ladder systems and in real nanoscopic devices.

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Spin-charge separation in strongly interacting finite ladder rings

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