Metallic stripes: Separation of spin, charge, and string fluctuation
Jan ZaanenInstituut Lorentz, Leiden University, P.O. Box 9506, NL-2300 RA Leiden, The NetherlandsO. Y. OsmanInstituut Lorentz, Leiden University, P.O. Box 9506, NL-2300 RA Leiden, The NetherlandsWim van SaarloosInstituut Lorentz, Leiden University, P.O. Box 9506, NL-2300 RA Leiden, The Netherlands
1998en
ABI
Annotatsiya
Inspired by the cuprate stripes, we consider the problem of a one-dimensional metal living on a delocalized trajectory in two dimensional space: the metallic lattice string. A model is constructed with maximal coupling between longitudinal and transversal charge motions, which nevertheless renormalizes into a minimal generalization of the Luttinger liquid: an independent set of string modes has to be added to the long-wavelength theory, with a dynamics governed by the quantum sine-Gordon model.
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