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Inflation from a Tachyon Fluid?
Malcolm Fairbairn, Michel H. G. Tytgat
Motivated by recent works of Sen and Gibbons, we study the evolution of a flat and homogeneous universe dominated by tachyon matter. In particular, we analyse the necessary conditi…
Instability of Non-Commutative SYM Theories at Finite Temperature
Karl Landsteiner, Esperanza Lopez, Michel H. G. Tytgat
We extend our previous work on the quasi-particle excitations in N=4 non-commutative U(1) Yang-Mills theory at finite temperature. We show that above some critical temperature ther…
Excitations in Hot Non-Commutative Theories
Karl Landsteiner, Esperanza Lopez, Michel H. G. Tytgat
We study the dispersion relation for scalar excitations in supersymmetric, non-commutative theories at finite temperature. In N=4 Yang-Mills the low momenta modes have superluminou…