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Volumn 88, Issue 25, 2002, Pages 4-

Li-Induced Spin and Charge Excitations in a Spin Ladder

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EID: 85038283231     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.88.257201     Document Type: Article
Times cited : (1)

References (22)
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    • 4243644773 scopus 로고    scopus 로고
    • However, a Skyrmion topology as suggested by S. Haas, Phys. Rev. Lett. 77, 3021 (1996) is not found on periodic clusters [A. Läuchli (private communication)].
    • (1996) Phys. Rev. Lett. , vol.77 , pp. 3021
    • Haas, S.1
  • 12
  • 14
    • 0001571843 scopus 로고    scopus 로고
    • M. Azuma, Phys. Rev. B 55, R8658 (1997), and references therein.
    • (1997) Phys. Rev. B , vol.55
    • Azuma, M.1
  • 16
    • 0030505761 scopus 로고    scopus 로고
    • For other theoretical work on the effects of nonmagnetic impurities in ladders, see, e.g., Y. Motome, J. Phys. Soc. Jpn. 65, 1949 (1996)
    • (1996) J. Phys. Soc. Jpn. , vol.65 , pp. 1949
    • Motome, Y.1
  • 21
    • 0002440068 scopus 로고    scopus 로고
    • Finite size extrapolations give (Formula presented); see S. R. White, Phys. Rev. B 53, 52 (1996).
    • (1996) Phys. Rev. B , vol.53 , pp. 52
    • White, S.R.1
  • 22
    • 0034450735 scopus 로고    scopus 로고
    • There is, in fact, a close similarity to the case of an itinerant magnon-hole-pair BS where a negative next NN hopping has a role comparable (but inverse) to (Formula presented); see D. Poilblanc, Phys. Rev. B 62, R14 633 (2000).
    • (2000) Phys. Rev. B , vol.62
    • Poilblanc, D.1


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