most citedMultiloop pseudofermion functional renormalization for quantum spin systems: Application to the spin- kagome Heisenberg model

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cond-mat.str-el2020★ 21 cited

Multiloop pseudofermion functional renormalization for quantum spin systems: Application to the spin- kagome Heisenberg model

Julian Thoenniss, Marc K. Ritter, Fabian B. Kugler +2

We present a multiloop pseudofermion functional renormalization group (pffRG) approach to quantum spin systems. As a test case, we study the spin- Heisenberg model on…