Replica field theory for random manifolds
نویسندگان
چکیده
منابع مشابه
Replica field theory for a polymer in random media
In this paper we revisit the problem of a (non-self-avoiding) polymer chain in a random medium which was previously investigated by Edwards and Muthukumar (EM) [J. Chem. Phys. 89, 2435 (1988)]. As noticed by Cates and Ball (CB) [J. Phys. (France) 49, 2009 (1988)] there is a discrepancy between the predictions of the replica calculation of EM and the expectation that in an infinite medium the qu...
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35 where the expectation value is deened by hA(x)i = R dx e ?x 2 p 2 cosh m (p 2x)A(x) R dx e ?x 2 p 2 cosh m (p 2x) : (62) Inserting in (56) this value of we have searched among the 5 values of g the one which gives the maximum free energy when the stability is marginal (i.e. when (56) is saturated). We have found that the eigenvalue g 5 is the one which gives the maximal free energy. This lea...
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Article history: Received 12 April 2010 Received in revised form 14 May 2010 Available online xxxx
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ژورنال
عنوان ژورنال: Journal de Physique I
سال: 1991
ISSN: 1155-4304,1286-4862
DOI: 10.1051/jp1:1991171