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Grassmann higher-order tensor renormalization group approach for two-dimensional strong-coupling QCD

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Bloch, Jacques ; Lohmayer, Robert
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Date of publication of this fulltext: 20 Jan 2023 13:03


We present a tensor-network approach for two-dimensional strong-coupling QCD with staggered quarks at nonzero chemical potential. After integrating out the gauge fields at infinite coupling, the partition function can be written as a full contraction of a tensor network consisting of coupled local numeric and Grassmann tensors. To evaluate the partition function and to compute observables, we ...


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