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The DOI matches its Crossref record; 5 of the 5 references it cites were found in a registry or an index.

Entanglement in a second-order quantum phase transition

Open access
Vidal, Julien, Palacios, Guillaume, Mosseri, Rémy·2004·Physical Review A

Abstract

We consider a system of mutually interacting spins 1/2 embedded in a transverse magnetic field which undergoes a second-order quantum phase transition. We analyze the entanglement properties and the spin squeezing of the ground state and show that, contrarily to the one-dimensional case, a cusplike singularity appears at the critical point ${\ensuremath{\lambda}}_{c}$ in the thermodynamical limit. We also show that there exists a value ${\ensuremath{\lambda}}_{0}>~{\ensuremath{\lambda}}_{c}$ above which the ground state is not spin squeezed despite a nonvanishing concurrence.

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Metadata

Authors
Vidal, J., Palacios, G., & Mosseri, R.
Venue
Physical Review A
Published
2004-02-18
Volume
69
Issue
2
ISSN
  • 0556-2791 (ISSN-L)
  • 1050-2947
  • 1094-1622
OpenAlex
W2078111918
Cited by
296
References
5
FWCI
17.40
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Entanglement in a second-order quantum phase transition. https://app.cochat.ai/papers/10.1103/physreva.69.022107
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Vidal, J., Palacios, G., & Mosseri, R. (2004). Entanglement in a second-order quantum phase transition. Physical Review A. https://doi.org/10.1103/physreva.69.022107

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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