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Volumn 58, Issue 18, 1998, Pages 12063-12070

Diagonalization in reduced Hilbert spaces using a systematically improved basis: Application to spin dynamics in lightly doped ladders

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EID: 0001070338     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.58.12063     Document Type: Article
Times cited : (25)

References (52)
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  • 21
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    • Mean-field approximations were previously carried out in the rung basis. See S. Sachdev and R. N. Bhatt, Phys. Rev. B 41, 9323 (1990).
    • (1990) Phys. Rev. B , vol.41 , pp. 9323
    • Sachdev, S.1    Bhatt, R.2
  • 23
    • 0000139404 scopus 로고    scopus 로고
    • For details on the plaquette basis (special case of the technique discussed in this paper), see J. Piekarewicz and J. R. Shepard, Phys. Rev. B 56, 5366 (1997).
    • (1997) Phys. Rev. B , vol.56 , pp. 5366
    • Piekarewicz, J.1    Shepard, J.2
  • 25
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    • The approach has obvious similarities with the standard renormalization procedure suggested by K. G. Wilson and J. Kogut, Phys. Rep., Phys. Lett. 12C, 75 (1974).
    • (1974) Phys. Rep., Phys. Lett. , vol.12C , pp. 75
    • Wilson, K.1    Kogut, J.2
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  • 38
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    • J. Engelbrecht et. al Phys. Rev. B 57, 13 406 (1998), and references therein.
    • (1998) Phys. Rev. B , vol.57 , pp. 13406
    • Engelbrecht, J.1
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    • cond-mat/9705103 (unpublished);
    • B. Keimer et. al cond-mat/9705103 (unpublished).
    • Keimer, B.1
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    • S. Hayden et. al Physica B 241-243, 765 (1998).
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    • Hayden, S.1
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    • Dirk Morr and David Pines, Phys. Rev. Lett. 81, 1086 (1998).
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  • 52
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    • The analytic approach has similarities with the proposal by S. D. Glazek and K. G. Wilson, Phys. Rev. D 49, 4214 (1994) where divergences in a perturbative approach are eliminated by a unitary transformation on the initial Hamiltonian. We thank M. Steiner for bringing this paper to our attention.
    • (1994) Phys. Rev. D , vol.49 , pp. 4214
    • Glazek, S.1    Wilson, K.2


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