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Spin and charge order in the vortex lattice of the cuprates: experiment and theory | | Subir Sachdev
; | | Date: |
19 Mar 2002 | | Journal: | Developments in Mathematical and Experimental Physics, Volume B: Statistical Physics and Beyond, A. Macias, F. Uribe, E. Diaz eds., Kluwer Academic, New York (2002) | | Subject: | Strongly Correlated Electrons; Superconductivity | cond-mat.str-el cond-mat.supr-con | | Abstract: | I summarize recent results, obtained with E. Demler, K. Park, A. Polkovnikov, M. Vojta, and Y. Zhang, on spin and charge correlations near a magnetic quantum phase transition in the cuprates. STM experiments on slightly overdoped BSCCO (J.E. Hoffman et al., Science 295, 466 (2002)) are consistent with the nucleation of static charge order coexisting with dynamic spin correlations around vortices, and neutron scattering experiments have measured the magnetic field dependence of static spin order in the underdoped regime in LSCO (B. Lake et al., Nature 415, 299 (2002)) and LaCuO_4+y (B. Khaykovich et al., Phys. Rev. B 66, 014528 (2002)). Our predictions provide a semi-quantitative description of these observations, with only a single parameter measuring distance from the quantum critical point changing with doping level. These results suggest that a common theory of competing spin, charge and superconducting orders provides a unified description of all the cuprates. | | Source: | arXiv, cond-mat/0203363 | | Services: | Forum | Review | PDF | Favorites | |
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