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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…
Large-N_f behavior of the Yukawa model: analytic results
Sergio Caracciolo, Bortolo Matteo Mognetti, Andrea Pelissetto
We investigate the Yukawa model in which fermions are coupled with a scalar field through a Yukawa interaction. The phase diagram is rather well understood. If the fermio…
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 (…
Critical Behavior of the Two-Dimensional Randomly Driven Lattice Gas
Sergio Caracciolo, Andrea Gambassi, Massimiliano Gubinelli +1
We investigate the critical behavior of the two-dimensional randomly driven lattice gas, in which particles are driven along one of the lattice axes by an infinite external field w…
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…