Influence of the incommensurability in $S{r}_{14-x}C{a}_{x}C{u}_{24}{O}_{41}$ family compounds

Abstract

The present paper studies the influence of the structural modulation on the low energy physics of the $S{r}_{14-x}C{a}_{x}C{u}_{24}{O}_{41}$ oxides, using ab-initio determination of the on-site and nearest neighbor effective parameters. The structural modulations appears to be the key degree of freedom, responsible for the low energy properties, such as the electron localization, the formation of dimers in the $x=0$ compound or the anti-ferromagnetic order in the $x=13.6$ compound.

arXiv comment4 pages, 4 figures

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• Hole redistribution in Sr\_(14-x)Ca\_xCu\_24O\_41 (x = 0, 12) spin ladder compounds: ^63Cu and ^17O NMR study under pressure
• Electronic structure of the $\mathrm{C}{\mathrm{a}}_3\mathrm{C}{\mathrm{o}}_4{\mathrm{O}}_9$ compound from ab initio local interactions
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• Magnetisation of hole-doped CuO2 spin chains in Sr14-xCaxCu24O41
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• $Sr\_14Cu\_24O\_41$ : a complete model for the chain sub-system
• Electronic structure of the $S{r}_{0.4}C{a}_{13.6}C{u}_{24}{O}_{41}$ incommensurate compound
• Charge density waves in Sr_14-xCa_xCu_24O_41: electron correlations vs. structural effects
• Non-classicality of spin structures in condensed matter: An analysis of Sr${}_{14}$Cu${}_{24}$O${}_{41}$
• Magneto-optic far-infrared study of Sr${}_{14}$Cu${}_{24}$O${}_{41}$: triplet excitations in chains
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• The Effect of FM Inter-ladder coupling in spin-1/2 AFM two-Leg Ladders in the presence of a magnetic field: Quantum Monte Carlo Study
• Revisiting and modeling the magnetism of hole-doped CuO_2 spin chains in Sr{14-x}Ca_xCu_{24}O_{41}