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gr-qc2015★ 13 cited
Gravitational Collapse of a Homogeneous Scalar Field Coupled Kinematically to Einstein Tensor
George Koutsoumbas, Konstantinos Ntrekis, Eleftherios Papantonopoulos +1
We study the gravitational collapse of a homogeneous time-dependent scalar field that, besides its coupling to curvature, it is also kinematically coupled to the Einstein tensor. T…
hep-lat2015★ 3 cited
Quantum phase transition of high dimensional Yang-Mills theories
Nikos Irges, George Koutsoumbas, Konstantinos Ntrekis
We determine the critical value of the coupling where the first order quantum phase transition takes place for lattice SU(2) Yang-Mills theories in dimensions higher than four. Wit…