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Magnetic defect line in a critical Ising bath

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arxiv 1412.3449 v2 pith:HKYKDIIG submitted 2014-12-10 cond-mat.str-el cond-mat.stat-mech

classification cond-mat.str-elcond-mat.stat-mech
keywords criticalmagneticdefectisinglinealgorithmanomalousassociated
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We compute the critical exponents associated with a magnetic line defect in the critical 3D Ising model. From the result, we deduce the anomalous dimension of the fermion operator in the z = 1 scaling regime of a Fermi surface coupled to a O(1) Wilson-Fisher fixed point. We introduce a generalization of the Wolff cluster algorithm to O(N) spin systems with a background magnetic field.

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Cited by 1 Pith paper

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  1. A relativistic continuous matrix product state study of field theories with defects

    hep-th 2025-01 conditional novelty 6.0 of 10

    Expectation values of local operators in phi^4 theory with a magnetic line defect are computed non-perturbatively using relativistic continuous matrix product states, by rotating Euclidean time so the defect becomes a...

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