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dc.contributor.author
Wio, Horacio Sergio  
dc.contributor.author
Deza, Roberto Raul  
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Escudero, Carlos Gabriel  
dc.contributor.author
Revelli, Jorge Alberto  
dc.date.available
2017-10-03T18:04:41Z  
dc.date.issued
2013-12  
dc.identifier.citation
Wio, Horacio Sergio; Deza, Roberto Raul; Escudero, Carlos Gabriel; Revelli, Jorge Alberto; KPZ. Recent developments via a variational formulation; Papers in Physics; Papers in Physics; 5; 2; 12-2013; 1-16; 050010  
dc.identifier.issn
1852-4249  
dc.identifier.uri
http://hdl.handle.net/11336/25792  
dc.description.abstract
Recently, a variational approach has been introduced for the paradigmatic Kardar–Parisi– Zhang (KPZ) equation. Here we review that approach, together with the functional Taylor expansion that the KPZ nonequilibrium potential (NEP) admits. Such expansion becomes naturally truncated at third order, giving rise to a nonlinear stochastic partial differential equation to be regarded as a gradient-flow counterpart to the KPZ equation. A dynamic renormalization group analysis at one-loop order of this new mesoscopic model yields the KPZ scaling relation α + z = 2, as a consequence of the exact cancelation of the different contributions to vertex renormalization. This result is quite remarkable, considering the lower degree of symmetry of this equation, which is in particular not Galilean invariant. In addition, this scheme is exploited to inquire about the dynamical behavior of the KPZ equation through a path-integral approach. Each of these aspects offers novel points of view and sheds light on particular aspects of the dynamics of the KPZ equation.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Papers in Physics  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Kpz  
dc.subject
Equation  
dc.subject
Variational  
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Formulation  
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Otras Ciencias Físicas  
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Ciencias Físicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
KPZ. Recent developments via a variational formulation  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2017-09-27T15:23:08Z  
dc.journal.volume
5  
dc.journal.number
2  
dc.journal.pagination
1-16; 050010  
dc.journal.pais
Argentina  
dc.journal.ciudad
La Plata  
dc.description.fil
Fil: Wio, Horacio Sergio. Universidad de Cantabria; España. Consejo Superior de Investigaciones Científicas; España. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Deza, Roberto Raul. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Físicas de Mar del Plata. Universidad Nacional de Mar del Plata. Facultad de Cs.exactas y Naturales. Instituto de Investigaciones Físicas de Mar del Plata; Argentina  
dc.description.fil
Fil: Escudero, Carlos Gabriel. Instituto de Ciencias Matemáticas; España. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Revelli, Jorge Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina  
dc.journal.title
Papers in Physics  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.4279/PIP.050010  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.papersinphysics.org/index.php/papersinphysics/article/view/148  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://arxiv.org/abs/1401.6425  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://ref.scielo.org/f6nghr