| Multipartite entanglement signature of quantum phase transitions. | |
| | |
MedLine Citation:
|
PMID: 17155445 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
|
We derive a general relation between the nonanalyticities of the ground state energy and those of a subclass of the multipartite generalized global entanglement (GGE) measure defined by de Oliveira et al. [Phys. Rev. A 73, 010305(R) (2006)] for many-particle systems. We show that GGE signals both a critical point location and the order of a quantum phase transition (QPT). We also show that GGE allows us to study the relation between multipartite entanglement and QPTs, suggesting that multipartite but not bipartite entanglement is favored at the critical point. Finally, using GGE we were able, at a second-order QPT, to define a diverging entanglement length (EL) in terms of the usual correlation length. We exemplify this with the XY spin-1/2 chain and show that the EL is half the correlation length. |
| | |
Authors:
|
Thiago R de Oliveira; Gustavo Rigolin; Marcos C de Oliveira; Eduardo Miranda |
Related Documents
:
|
15866445 - On the "artificial" nature of tc and the "carrier-free" nature of 99mtc from 99mo/99mtc... 20044165 - A survey exploring knowledge and perceptions of general practitioners towards the use o... 21790835 - A literature review on breathing retraining as a self-management strategy operationaliz... 15912315 - Retailing policies for generic medicines. 7617785 - Decision analysis: theory and application to medicine. 7782795 - Medicine, practice and guidelines: the uneasy juncture of science and art. |
Publication Detail:
|
Type: Journal Article Date: 2006-10-23 |
Journal Detail:
|
Title: Physical review letters Volume: 97 ISSN: 0031-9007 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2006 Oct |
Date Detail:
|
Created Date: 2006-12-12 Completed Date: 2007-06-19 Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
|
Languages: eng Pagination: 170401 Citation Subset: - |
Affiliation:
|
Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, CEP 13083-970, Campinas, São Paulo, Brazil. tro@ifi.unicamp.br |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
|
| Comments/Corrections | |
Erratum In:
|
Phys Rev Lett. 2007 Feb 16;98(7):079902 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Structural relaxation made simple.
Next Document: Demonstration of the difference in the Casimir force for samples with different charge-carrier densi...