Fidelity susceptibility for SU(2)-invariant states

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dc.creatorWang, Xiaoguang
dc.creatorGu, Shi-Jiang
dc.date2008-09-29
dc.date.accessioned2026-07-07T10:06:07Z
dc.date.available2026-07-07T10:06:07Z
dc.descriptionWe study the fidelity susceptibility of two SU(2)-invariant reduced density matrices. Due to the commuting property of these matrices, analytical results for reduced fidelity susceptibility are obtained and can be applied to study quantum phase transitions in SU(2)-invariant systems. As an example, we analyze the quantum criticality of the spin-one bilinear-biquadratic model via the fidelity approach.
dc.descriptionFour pages and one figure
dc.identifierhttps://arxiv.org/abs/0809.4898
dc.identifierhttp://arxiv.org/abs/0809.4898
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170216
dc.subjectQuantum Physics
dc.titleFidelity susceptibility for SU(2)-invariant states
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