High-order fidelity and quantum phase transition for the Heisenberg chain with next-nearest-neighbor interaction

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dc.creatorWang, Li
dc.creatorGu, Shi-Jian
dc.creatorChen, Shu
dc.date2009-03-25
dc.date2009-03-27
dc.date.accessioned2026-07-07T12:56:56Z
dc.date.available2026-07-07T12:56:56Z
dc.descriptionIn this article, we study the high order term of the fidelity of the Heisenberg chain with next-nearest-neighbor interaction and analyze its connection with quantum phase transition of Beresinskii-Kosterlitz-Thouless type happened in the system. We calculate the fidelity susceptibility of the system and find that although the phase transition point can't be well characterized by the fidelity susceptibility, it can be effectively picked out by the higher order of the ground-state fidelity for finite-size systems.
dc.description4 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0903.4242
dc.identifierhttp://arxiv.org/abs/0903.4242
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/224756
dc.subjectQuantum Physics
dc.titleHigh-order fidelity and quantum phase transition for the Heisenberg chain with next-nearest-neighbor interaction
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