Finite temperature quantum correlations in su(2)(c) quark states and quantum spin models

S Hamieh*, A Tawfik

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)
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The entanglement at finite temperatures is analyzed by using thermal models for colored quarks making tip the hadron physical states. We have found that these quantum correlations entirely vanish at T-c >= m(q)/ln(1.5). For temperatures larger than T-c the correlations are classical. We have also worked out the entanglement for the transverse Ising spin chain. In dependence on both temperature T and transverse field A we can identify a certain region, where the quantum effects are likely to dominate the system. We suggest the mutual information as a quantitative measure for the correlations in the ground state.

Original languageEnglish
Pages (from-to)801-815
Number of pages15
JournalActa Physica Polonica B
Issue number3
Publication statusPublished - Mar-2005



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