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20022015
most citedThe Raman Fingerprint of Graphene

15k citations

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Showing 2014 · cond-mat.str-elShow all

3 papers · 2 filters

cond-mat.str-el2014★ 30 cited

Exact treatment of magnetism-driven ferroelectricity in the one-dimensional compass model

Wen-Long You, Guang-Hua Liu, Peter Horsch +1

We consider a class of one-dimensional compass models with antisymmetric Dzyaloshinskii-Moriya exchange interaction in an external magnetic field. Based on the exact solution deriv…

cond-mat.str-el2014★ 148 cited

Excitonic quasiparticles in a spin-orbit Mott insulator

Jungho Kim, M. Daghofer, A. H. Said +4

In condensed matter systems, out of a large number of interacting degrees of freedom emerge weakly coupled particles, in terms of which most physical properties are described. For…

cond-mat.str-el2014★ 17 cited

Functional renormalization group for commensurate antiferromagnets: Beyond the mean-field picture

Stefan A. Maier, Andreas Eberlein, Carsten Honerkamp

We present a functional renormalization group (fRG) formalism for interacting fermions on lattices that captures the flow into states with commensurate spin-density wave order. Dur…