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    Comment on "Ground-state phase diagram of a half-filled one-dimensional extended Hubbard model"

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    Date Issued
    2003-08-22
    Publisher Version
    10.1103/PhysRevLett.91.089701
    Author(s)
    Sandvik, Anders W.
    Sengupta, Pinaki
    Campbell, David K.
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    Permanent Link
    https://hdl.handle.net/2144/35582
    Version
    First author draft
    Citation (published version)
    AW Sandvik, P Sengupta, DK Campbell. 2003. "Comment on "Ground-state phase diagram of a half-filled one-dimensional extended Hubbard model"." PHYSICAL REVIEW LETTERS, Volume 91, Issue 8, pp. ? - ? (1). https://doi.org/10.1103/PhysRevLett.91.089701
    Abstract
    In Phys. Rev. Lett. 89, 236401 (2002), Jeckelmann argued that the recently discovered bond-order-wave (BOW) phase of the 1D extended Hubbard model does not have a finite extent in the (U,V) plane, but exists only on a segment of a first-order SDW-CDW phase boundary. We here present quantum Monte Carlo result of higher precision and for larger system sizes than previously and reconfirm that the BOW phase does exist a finite distance away from the phase boundary, which hence is a BOW-CDW transition curve.
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