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cond-mat.str-el2017★ 51 cited
Critical (Chiral) Heisenberg Model with the Functional Renormalisation Group
Benjamin Knorr
We discuss the Heisenberg model and its chiral extension in an extended truncation with the help of functional methods. Employing computer algebra to derive the beta functions, and…
cond-mat.str-el2016★ 63 cited
Ising and Gross-Neveu model in next-to-leading order
Benjamin Knorr
We study scalar and chiral fermionic models in next-to-leading order with the help of the functional renormalisation group. Their critical behaviour is of special interest in conde…