Two-band electronic metal and neighboring spin Bose-metal on a zigzag strip with longer-ranged repulsion
نویسندگان
چکیده
We consider an electronic model for realizing the spin Bose-metal SBM phase on a two-leg triangular strip—a spin liquid phase found by Sheng et al. Phys. Rev. B 79, 205112 2009 in a spin-1/2 model with ring exchanges. The SBM can be viewed as a “C1S2” Mott insulator of electrons where the overall charge transporting mode is gapped out. We start from a two-band “C2S2” metal and consider extended repulsion motivated by recent ab initio derivation of electronic model for -ET spin liquid material K. Nakamura et al., J. Phys. Soc. Jpn. 78, 08371
منابع مشابه
Spin Bose - metal phase in a spin - 12 model with ring exchange on a two - leg triangular strip
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