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- Maxwell Institute for Mathematical SciencesGB436 papers
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6 papers · 1 filter
String Theory in Electromagnetic Fields
J. Ambjorn, Y. M. Makeenko, G. W. Semenoff +1
A review of various aspects of superstrings in background electromagnetic fields is presented. Topics covered include the Born-Infeld action, spectrum of open strings in background…
1D Potts, Yang-Lee Edges and Chaos
B. P. Dolan, D. Johnston
It is known that the (exact) renormalization transformations for the one-dimensional Ising model in field can be cast in the form of a logistic map f(x) = 4 x (1 - x) with x a func…
Microscopic Spectrum of the QCD Dirac Operator in Three Dimensions
Richard J. Szabo
The microscopic spectral correlators of the Dirac operator in three-dimensional Yang-Mills theory coupled to fundamental fermions and with three or more colours are derived from th…
Space-Time Invariant Measures, Entropy, and Dimension for Stochastic Ginzburg-Landau Equations
Jacques Rougemont
We consider a randomly forced Ginzburg-Landau equation on an unbounded domain. The forcing is smooth and homogeneous in space and white noise in time. We prove existence and smooth…
Slow dynamics of Ising models with energy barriers
A. Lipowski, D. Johnston, D. Espriu
Using Monte Carlo simulations we study the dynamics of three-dimensional Ising models with nearest-, next-nearest-, and four-spin (plaquette) interactions. During coarsening, such…
Impurity Operators in RSOS Models
Robert Weston
We give a construction of impurity operators in the `algebraic analysis' picture of RSOS models. Physically, these operators are half-infinite insertions of certain fusion-RSOS Bol…