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Multimode electron-phonon interactions in the 2-dimensional t-J-Holstein model | | D. Poilblanc
; T. Sakai
; D.J. Scalapino
; W. Hanke
; | | Date: |
27 Nov 1995 | | Subject: | cond-mat | | Abstract: | Polaronic effects are investigated in the two dimensional t--J model (describing Cu spins and holes of the planes in high-$T_c$ cuprates) in the presence of in-plane dynamic oxygen breathing modes. We focus on the effect of dynamic multi-phonon modes. Spin and charge structure factors are computed. We found evidence for self-localisation of the holes and {it increased} short range antiferromagnetic spin-spin correlations between the remaining spins. This effect persists when all the in-plane oxygen vibration degrees of freedom are taken into account. This suggests that dynamic phonons could play a key role in stabilizing inhomogeneous stripe phases or domain wall structures. | | Source: | arXiv, cond-mat/9511125 | | Services: | Forum | Review | PDF | Favorites | |
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