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Lectures on Random Interfaces / by Tadahisa Funaki
(SpringerBriefs in Probability and Mathematical Statistics. ISSN:23654341)
版 | 1st ed. 2016. |
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出版者 | Singapore : Springer Nature Singapore : Imprint: Springer |
出版年 | 2016 |
本文言語 | 英語 |
大きさ | XII, 138 p. 44 illus., 9 illus. in color : online resource |
著者標目 | *Funaki, Tadahisa author SpringerLink (Online service) |
件 名 | LCSH:Probabilities LCSH:Differential equations LCSH:Mathematical physics FREE:Probability Theory FREE:Differential Equations FREE:Mathematical Physics |
一般注記 | Interfaces are created to separate two distinct phases in a situation in which phase coexistence occurs. This book discusses randomly fluctuating interfaces in several different settings and from several points of view: discrete/continuum, microscopic/macroscopic, and static/dynamic theories. The following four topics in particular are dealt with in the book. Assuming that the interface is represented as a height function measured from a fixed-reference discretized hyperplane, the system is governed by the Hamiltonian of gradient of the height functions. This is a kind of effective interface model called ∇φ-interface model. The scaling limits are studied for Gaussian (or non-Gaussian) random fields with a pinning effect under a situation in which the rate functional of the corresponding large deviation principle has non-unique minimizers. Young diagrams determine decreasing interfaces, and their dynamics are introduced. The large-scale behavior of such dynamicsis studied from the points of view of the hydrodynamic limit and non-equilibrium fluctuation theory. Vershik curves are derived in that limit. A sharp interface limit for the Allen–Cahn equation, that is, a reaction–diffusion equation with bistable reaction term, leads to a mean curvature flow for the interfaces. Its stochastic perturbation, sometimes called a time-dependent Ginzburg–Landau model, stochastic quantization, or dynamic P(φ)-model, is considered. Brief introductions to Brownian motions, martingales, and stochastic integrals are given in an infinite dimensional setting. The regularity property of solutions of stochastic PDEs (SPDEs) of a parabolic type with additive noises is also discussed. The Kardar–Parisi–Zhang (KPZ) equation , which describes a growing interface with fluctuation, recently has attracted much attention. This is an ill-posed SPDE and requires a renormalization. Especially its invariant measures are studied. HTTP:URL=https://doi.org/10.1007/978-981-10-0849-8 |
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電子ブック | オンライン | 電子ブック |
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Springer eBooks | 9789811008498 |
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EB00233780 |
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データ種別 | 電子ブック |
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分 類 | LCC:QA273.A1-274.9 DC23:519.2 |
書誌ID | 4000116934 |
ISBN | 9789811008498 |
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※2017年9月4日以降