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Article overview
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Interplay between incommensurate phases in the cuprates | Marcin Raczkowski
; Raymond Fresard
; Andrzej M. Oles
; | Date: |
2 Jun 2006 | Subject: | Strongly Correlated Electrons | Abstract: | We establish the qualitative behavior of the incommensurability $epsilon$, optimal domain wall filling $
u$ and chemical potential $mu$ for increasing doping by a systematic slave-boson study of an array of vertical stripes separated by up to $d=11$ lattice constants. Our findings obtained in the Hubbard model with the next-nearest neighbor hopping $t’=-0.15t$ agree qualitatively with the experimental data for the cuprates in the doping regime $xlesssim 1/8$. It is found that $t’$ modifies the optimal filling $
u$ and triggers the crossover to the diagonal (1,1) spiral phase at increasing doping, stabilized already at $xsimeq 0.09$ for $t’=-0.3t$. | Source: | arXiv, cond-mat/0606059 | Services: | Forum | Review | PDF | Favorites |
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