Spin Dynamics in the Supersymmetric t–J Model with Inverse-Square Interaction

@inproceedings{Arikawa2004SpinDI,
  title={Spin Dynamics in the Supersymmetric t–J Model with Inverse-Square Interaction},
  author={Mitsuhiro Arikawa and Takashi Yamamoto and Yasuhiro Saiga and Yoshio Kuramoto},
  year={2004}
}
  • Mitsuhiro Arikawa, Takashi Yamamoto, +1 author Yoshio Kuramoto
  • Published 2004
  • Physics
  • The dynamical spin structure factor S ( q ,ω) is obtained analytically for the one-dimensional supersymmetric t – J model with 1/ r 2 interaction. In contrast with the conventional view on the spin–charge separation, interpretation of S ( q ,ω) requires both fractionalized and non-fractionalized electrons depending on the energy–momentum region. At low energies, the spectrum is naturally explained in terms of spinons, holons, and antiholons, all of which obey fractional exclusion statistics. 

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