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hep-th2017★ 7 cited
Bukhvostov-Lipatov model and quantum-classical duality
Vladimir V. Bazhanov, Sergei L. Lukyanov, Boris A. Runov
The Bukhvostov-Lipatov model is an exactly soluble model of two interacting Dirac fermions in 1+1 dimensions. The model describes weakly interacting instantons and anti-instantons…
hep-th2017★ 18 cited
Quantum transfer-matrices for the sausage model
Vladimir V. Bazhanov, Gleb A. Kotousov, Sergei L. Lukyanov
In this work we revisit the problem of the quantization of the two-dimensional O(3) non-linear sigma model and its one-parameter integrable deformation -- the sausage model. Our co…