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BOUNDARY STATES AND BROKEN BULK SYMMETRIES IN WA r MINIMAL MODELS

Chapter in From Fields to Strings: Circumnavigating Theoretical Physics, World Scientific Publishing (2005) 1441-1469

Authors:

ALEXANDRE F CALDEIRA, JF WHEATER
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IAN IN THE DEPARTMENT

Chapter in From Fields to Strings: Circumnavigating Theoretical Physics, World Scientific Publishing (2005) 70-71
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M theory compactifications, fluxes and AdS_4

Physical Review D 71 (2005) article 046005 15pp

Authors:

A Lukas, P.M. Saffin
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Asymptotics and preasymptotics at small x

ArXiv hep-ph/0501097 (2005)

Abstract:

This talk discusses the relative impact of running-coupling and other higher-order corrections on the small-x gluon-gluon splitting function. Comments are made on similarities with some aspects of the Balitsky-Kovchegov equation, which arise because of the presence of an effective infrared cutoff in both cases. It is emphasised that, at least in the splitting-function case, the asymptotic small-x behaviour has little relevance to the phenomenologically interesting preasymptotic region. This is illustrated with the aid of a convolution of the resummed splitting function with a toy gluon distribution.
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Classification and moduli Kähler potentials of G2 manifolds

Physical Review D - Particles, Fields, Gravitation and Cosmology 71:4 (2005)

Authors:

AB Barrett, A Lukas

Abstract:

Compact manifolds of G2 holonomy may be constructed by dividing a seven-torus by some discrete symmetry group and then blowing up the singularities of the resulting orbifold. We classify possible group elements that may be used in this construction and use this classification to find a set of possible orbifold groups. We then derive the moduli Kähler potential for M-theory on the resulting class of G2 manifolds with blown-up codimension four singularities. © 2005 The American Physical Society.
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