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Scalar and Pseudoscalar Correlators in Yang-Mills Theory
Scalar Pseudoscalar Correlators Yang-Mills Theory
2010/12/27
Correlation functions of the FF and F\tilde{F} operators in hot SU(3) Yang-Mills theory have recently been studied both on the lattice and in perturbation theory, and the results subsequently compare...
Scalar models for the generalized Chaplygin gas and the structure formation constraints
Scalar models the generalized Chaplygin gas
2010/12/24
The generalized Chaplygin gas model represents a tentative to unify dark matter and dark energy. It is characterized by a fluid with an equation of state $p = - A/\rho^\alpha$. It can be obtained fro...
Algebraic classification of spacetimes using discriminating scalar curvature invariants
Algebraic classification of spacetimes discriminating scalar curvature invariants
2010/12/27
The Weyl and Ricci tensors can be algebraically classified in a Lorentzian spacetime of arbitrary dimensions using alignment theory. Used in tandem with the boost weight decomposition and curvature op...
An anti-Schwarzshild solution: wormholes and scalar-tensor solutions
wormholes scalar-tensor solutions
2010/3/17
We investigate a static solution with an hyperbolic nature, characterised by a pseudo-spherical foliation of space. This space-time metric can be perceived as an anti-Schwarzschild solution, and exhib...