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The temperature dependence of the chiral condensate in the Schwinger model with Matrix Product States

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arxiv 1412.0596 v1 pith:6QHWX3XZ submitted 2014-12-01 hep-lat

Hana Saito , Mari Carmen Bañuls , Krzysztof Cichy , J. Ignacio Cirac , Karl Jansen This is my paper · ORCID
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keywords chiralcondensatestatestemperaturematrixmodelproductschwinger
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We present our recent results for the tensor network (TN) approach to lattice gauge theories. TN methods provide an efficient approximation for quantum many-body states. We employ TN for one dimensional systems, Matrix Product States, to investigate the 1-flavour Schwinger model. In this study, we compute the chiral condensate at finite temperature. From the continuum extrapolation, we obtain the chiral condensate in the high temperature region consistent with the analytical calculation by Sachs and Wipf.

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  1. Phase structure of the 1+1 dimensional massive Thirring model from matrix product states

    hep-lat 2019-08 conditional novelty 5.0 of 10

    The 1+1 dimensional massive Thirring model has a conformal critical phase and a gapped phase separated by a Berezinskii-Kosterlitz-Thouless transition, as shown by tensor-network simulations.

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