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On the significance of the ‘spinodal curve’ and related limits of meta- 3. ‘Essential’ singularity at a first-order phase transition 4.4. Some computational techniques 4. 0000051866 00000 n
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More recently there is increasing evidence that in many systems which are close to a quantum critical point (QCP) different phases are in competition. xref
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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. Decay of … Vtrs 0 P 2 T V T P G 0000052494 00000 n
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For m L 2 ≠ 0 new minima appear close to the origin . 0000010622 00000 n
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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. By continuing you agree to the use of cookies. Metastable states near first-order phase transitions stability 5. x�b``�e`�(d`g`X��A��b,S�j��gePx,��H:s��3ׄ�X���7&j_�b p��q�p��� ��$4*k�覥�T�'&���V�gd�7���4�Ɨ4g�$�F�DHJT�G���UFe��qq�p ���. 0000007525 00000 n
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Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. 0000052515 00000 n
The phase transition we just described involves a change of colour of parts of the ﬁgure, and colour is a scalar variable, so we expect we will need scalar modes. 0000009447 00000 n
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These effects are described theoretically using an action that takes into account the competition between different order parameters. A quark condensate forms at finite quark mass, and the value 0000003188 00000 n
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E, Statistical, nonlinear, and soft matter physics, By clicking accept or continuing to use the site, you agree to the terms outlined in our. 0000011082 00000 n
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Among other problems, these phase transitions are relevant in the study of heavy fermion systems, high-temperature superconductors and Bose–Einstein condensates. 0000020752 00000 n
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The thermodynamic behavior along this line is obtained and shown to present universal features. !c!! 0000020969 00000 n
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An unexpected result is the appearance of an inhomogeneous phase with two values of the order parameter separated by a first-order transition. Some features of the site may not work correctly. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, Physical review. 0000021680 00000 n
A model for nonequilibrium wetting in 1+1 dimensions is introduced. 0000046875 00000 n
Journal of Magnetism and Magnetic Materials, https://doi.org/10.1016/j.jmmm.2006.10.765. 0000015961 00000 n
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Dynamics of first-order phase transitions 5.1. Dynamic wetting with two competing adsorbates. 0000015349 00000 n
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For m L 2 = 0 there is a first order transition to the antiferromagnetic phase . 0000007802 00000 n
The method of the effective potential is used to calculate the quantum corrections to the classical functional. 0000007255 00000 n
In that case, we had to look fairly closely to see the discontinuity: it … 0000054309 00000 n
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Download PDF Abstract: ... We classify these patterns according to the first transition in their history and show the strong first-order phase transitions that may be possible in each type of pattern. 0000051654 00000 n
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@article{Hinrichsen2000FirstorderPT, title={First-order phase transition in a (1+1)-dimensional nonequilibrium wetting process}, author={Hinrichsen and Livi and Mukamel and Politi}, journal={Physical review. In this paper we show that the main effect of this competition is to give rise to inhomogeneous behavior associated with quantum first-order transitions. 0000015022 00000 n
These corrections generally change the nature of the QCP and give rise to interesting effects even in the presence of non-critical fluctuations. Order parameter for this phase transition is the density. 0000017838 00000 n
Depending on the rates of the dynamical processes the wetting transition is either of first or second order. 0000041673 00000 n
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Copyright © 2006 Elsevier B.V. All rights reserved. 0000041780 00000 n
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Nonequilibrium wetting transitions with short range forces. 0000052809 00000 n
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Quantum phase transitions have been the subject of intense investigations in the last two decades. 0000054288 00000 n
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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. It comprises adsorption and desorption processes with a dynamics that generically does not obey detailed balance. 0000004465 00000 n
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We’ve already seen one example of a phase transition in our discussion of Bose-Einstein condensation. 0000046897 00000 n
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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. 0000008582 00000 n
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This is in contrast with…. Directed percolation with long-range interactions: Modeling nonequilibrium wetting. trailer
These could allow for the generation of the matter-antimatter asymmetry or potentially observable gravitational waves. To calculate the three Landau-parameters, at least 3 thermodynamic properties at the critical temperature have to be known. Furthermore, they can identify the order (first or second) of the phase transition by their behavior at the quantum transition point, which changes abruptly (smoothly) in the case of first-order (second-order) phase transitions. 0000054624 00000 n
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As m p 2 further decreases there is a first-order transition between the SMAF and LMAF phases (see Fig. conducting-superconducting transition in metals at low temperatures. 0000018818 00000 n
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Phase Transitions A phase transition is an abrupt, discontinuous change in the properties of a system. I chose density, latent heat and speciﬁc heat. In the following, the formulas used: !! 0000015655 00000 n
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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. startxref
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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. 382 0 obj <>
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Influence of diffusion on models for nonequilibrium wetting.