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Universality class of 3D site-diluted and bond-diluted Ising systems
Martin Hasenbusch, Francesco Parisen Toldin, Andrea Pelissetto +1
We present a finite-size scaling analysis of high-statistics Monte Carlo simulations of the three-dimensional randomly site-diluted and bond-diluted Ising model. The critical behav…
Comment on "Spurious fixed points in frustrated magnets," cond-mat/0609285
Andrea Pelissetto, Ettore Vicari
We critically discuss the arguments reported in cond-mat/0609285 by B. Delamotte, Yu. Holovatch, D. Ivaneyko, D. Mouhanna, and M. Tissier. We show that their conclusions are not th…
The random-anisotropy model in the strong-anisotropy limit
Francesco Parisen Toldin, Andrea Pelissetto, Ettore Vicari
We investigate the nature of the critical behaviour of the random-anisotropy Heisenberg model (RAM), which describes a magnetic system with random uniaxial single-site anisotropy,…
Polymer size in dilute solutions in the good-solvent regime
Sergio Caracciolo, Bortolo Matteo Mognetti, Andrea Pelissetto
We determine the density expansion of the radius of gyration, of the hydrodynamic radius, and of the end-to-end distance for a monodisperse polymer solution in good-solvent conditi…
Virial coefficients and osmotic pressure in polymer solutions in good-solvent conditions
Sergio Caracciolo, Bortolo Matteo Mognetti, Andrea Pelissetto
We determine the second, third, and fourth virial coefficients appearing in the density expansion of the osmotic pressure of a monodisperse polymer solution in good-solvent conditi…
Critical behavior of the random-anisotropy model in the strong-anisotropy limit
Francesco Parisen Toldin, Andrea Pelissetto, Ettore Vicari
We investigate the nature of the critical behavior of the random-anisotropy Heisenberg model (RAM), which describes a magnetic system with random uniaxial single-site anisotropy, s…
The critical exponents of the superfluid transition in He4
Massimo Campostrini, Martin Hasenbusch, Andrea Pelissetto +1
We improve the theoretical estimates of the critical exponents for the three-dimensional XY universality class, which apply to the superfluid transition in He4 along the lambda-lin…
Corrections to scaling in multicomponent polymer solutions
Andrea Pelissetto, Ettore Vicari
We calculate the correction-to-scaling exponent that characterizes the approach to the scaling limit in multicomponent polymer solutions. A direct Monte Carlo determination o…
Spin-density-wave order in cuprates
Martino De Prato, Andrea Pelissetto, Ettore Vicari
We study the nature of the two-dimensional quantum critical point separating two phases with and without long-range spin-density-wave order, which has been recently observed in cup…
Large-N_f chiral transition in the Yukawa model
Sergio Caracciolo, Bortolo Matteo Mognetti, Andrea Pelissetto
We investigate the finite-temperature behavior of the Yukawa model in which fermions are coupled with a scalar field in the limit . Close to the chiral…