Metastable states near first-order phase transitions stability 5. First-order and second-order phase transitions (II) G Ttrs ΔGtrs 0 Second-order phase transition T V Ttrs T S Ttrs T H Cp-S T G P V P G T -continuous (S and V do not jump at transition) Ttrs T Ttrs T Strs 0 Htrs 0 P P dT dH C e.g. An unexpected result is the appearance of an inhomogeneous phase with two values of the order parameter separated by a first-order transition. 0000007525 00000 n
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A model for nonequilibrium wetting in 1+1 dimensions is introduced. 5. We use cookies to help provide and enhance our service and tailor content and ads. 0000015812 00000 n
In real crystal structures, there is a wide class of phase transitions, known as order-disorder phase transitions, which are described in terms of scalar modes. 0000009058 00000 n
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The method of the effective potential is used to calculate the quantum corrections to the classical functional. 0000009214 00000 n
For m L 2 ≠ 0 new minima appear close to the origin . A quark condensate forms at finite quark mass, and the value 0000017838 00000 n
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Dynamic wetting with two competing adsorbates. 382 0 obj <>
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To calculate the three Landau-parameters, at least 3 thermodynamic properties at the critical temperature have to be known. In studying the dynamics of large N_c, SU(N_c) gauge theory at finite temperature with fundamental quark flavours in the quenched approximation, we observe a first order phase transition. 0000007255 00000 n
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I chose density, latent heat and speciﬁc heat. Vtrs 0 P 2 T V T P G 0000015506 00000 n
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Phase Transitions A phase transition is an abrupt, discontinuous change in the properties of a system. 0000041695 00000 n
Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. It is found that the wet (unbound) and the nonwet (pinned) states coexist and are both thermodynamically stable in a domain of the dynamical parameters that define the model. startxref
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These effects are described theoretically using an action that takes into account the competition between different order parameters. Decay of … 471 0 obj<>stream
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Influence of diffusion on models for nonequilibrium wetting. 0000007802 00000 n
Finally, we discuss the universal behavior of systems with a weak first-order zero temperature transition in particular as the transition point is approached from finite temperatures. Nonequilibrium wetting transitions with short range forces. 0000004465 00000 n
This is in contrast with…. 0000052809 00000 n
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In that case, we had to look fairly closely to see the discontinuity: it … Nonequilibrium wetting transition in a nonthermal 2D Ising model, Generic Two-Phase Coexistence and Nonequilibrium Criticality in a Lattice Version of Schlögl’s Second Model for Autocatalysis, The diffusive pair contact process and non-equilibrium wetting, Generic two-phase coexistence, relaxation kinetics, and interface propagation in the quadratic contact process: Simulation studies, Physical review. 0000018124 00000 n
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In the following, the formulas used: !! 0000015997 00000 n
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E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, Physical review. Quantum phase transitions have been the subject of intense investigations in the last two decades. <]>>
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Depending on the rates of the dynamical processes the wetting transition is either of first or second order. 0000007291 00000 n
Some features of the site may not work correctly. These could allow for the generation of the matter-antimatter asymmetry or potentially observable gravitational waves. 0000018656 00000 n
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Download : Download full-size image; Fig. 0000020969 00000 n
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We’ve already seen one example of a phase transition in our discussion of Bose-Einstein condensation.