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Volumn 59, Issue 17, 1999, Pages 11377-11383

Excitation spectrum and ground-state properties of the (formula presented) heisenberg ladder with staggered dimerization

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EID: 0005571694     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.59.11377     Document Type: Article
Times cited : (21)

References (27)
  • 3
    • 0003789520 scopus 로고
    • North-Holland, Amsterdam E. Brezin J. Zinn-Justin
    • For a review of the NLSM approach, see I. Affleck, in Fields, Strings, and Critical Phenomena, edited by E. Brezin and J. Zinn-Justin (North-Holland, Amsterdam, 1989), p. 565;
    • (1989) Fields, Strings, and Critical Phenomena , pp. 565
    • Affleck, I.1
  • 17
    • 85037916932 scopus 로고    scopus 로고
    • The spin operators are related to the triplet operators via the transformation (Ref. 12) (Formula presented) (Formula presented).
    • The spin operators are related to the triplet operators via the transformation (Ref. 12) (Formula presented) (Formula presented).
  • 22
    • 85037892882 scopus 로고    scopus 로고
    • To lowest (one-loop) order, this term leads to the renormalization (Ref. 15) (Formula presented) (Formula presented), which is understood in all formulas in the text.
    • To lowest (one-loop) order, this term leads to the renormalization (Ref. 15) (Formula presented) (Formula presented), which is understood in all formulas in the text.
  • 24
    • 85037903444 scopus 로고    scopus 로고
    • The spin-spin correlations on the rungs are related to the triplet density via (Formula presented) and thus from Fig. 44 at the point (Formula presented) we can estimate (Formula presented).
    • The spin-spin correlations on the rungs are related to the triplet density via (Formula presented) and thus from Fig. 44 at the point (Formula presented) we can estimate (Formula presented).


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