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

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

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.

Original language	English (US)
Article number	125115
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	78
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevB.78.125115
State	Published - Sep 29 2008
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.78.125115

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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.

AU - Aligia, A. A.

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N2 - 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.

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

Abstract

All Science Journal Classification (ASJC) codes

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