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Duality and Decoherence Free Subspaces
David D. Song, Richard J. Szabo
Quantum error avoiding codes are constructed by exploiting a geometric interpretation of the algebra of measurements of an open quantum system. The notion of a generalized Dirac op…
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…
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…
Lattice Gauge Fields and Discrete Noncommutative Yang-Mills Theory
J. Ambjorn, Y. M. Makeenko, J. Nishimura +1
We present a lattice formulation of noncommutative Yang-Mills theory in arbitrary even dimensionality. The UV/IR mixing characteristic of noncommutative field theories is demonstra…
Nonperturbative Dynamics of Noncommutative Gauge Theory
J. Ambjorn, Y. M. Makeenko, J. Nishimura +1
We present a nonperturbative lattice formulation of noncommutative Yang-Mills theories in arbitrary even dimension. We show that lattice regularization of a noncommutative field th…