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hep-th2024★ 1 cited
Thermal and Quantum Phase Transitions of the Model
István Gábor Márián, Andrea Trombettoni, István Nándori
In this paper we discuss and revisit the finite temperature extension of the renormalization group (RG) treatment of field theories, focusing as a case study on the mod…
hep-th2017★ 1 cited
Berezinskii-Kosterlitz-Thouless transition and criticality of an elliptic deformation of the sine-Gordon model
N. Defenu, V. Bacsó, I. G. Márián +2
We introduce and study the properties of a periodic model interpolating between the sine-- and the sinh--Gordon theories in dimensions. This model shows the peculiarities, du…