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Multicritical behavior in the fully frustrated XY model and related systems
Martin Hasenbusch, Andrea Pelissetto, Ettore Vicari
We study the phase diagram and critical behavior of the two-dimensional square-lattice fully frustrated XY model (FFXY) and of two related models, a lattice discretization of the L…
Critical behavior of two-dimensional fully frustrated XY systems
Martin Hasenbusch, Andrea Pelissetto, Ettore Vicari
We study the phase diagram of the two-dimensional fully frustrated XY model (FFXY) and of two related models, a lattice discretization of the Landau-Ginzburg-Wilson Hamiltonian for…
Finite-temperature chiral transition in QCD with quarks in the fundamental and adjoint representation
Francesco Basile, Andrea Pelissetto, Ettore Vicari
We study the nature of the finite-temperature chiral transition in QCD with N_f light quarks in the fundamental and adjoint representation. Universality and renormalization-group (…
Transitions and crossover phenomena in fully frustrated XY systems
Martin Hasenbusch, Andrea Pelissetto, Ettore Vicari
We study the two-dimensional fully frustrated XY (FFXY) model and two related models, a discretization of the Landau-Ginzburg-Wilson Hamiltonian for the critical modes of the FFXY…
Quantum Field Theories and Critical Phenomena on Defects
Davide Fichera, Mihail Mintchev, Ettore Vicari
We construct and investigate quantum fields induced on a d-dimensional dissipationless defect by bulk fields propagating in a (d+1)-dimensional space. All interactions are localize…