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Where did all the antimatter go? After the Big Bang, matter and antimatter should have been created in equal amounts. Why we live in a Universe of matter, with very little antimatter, remains a myster...
Maximal Analytic Extension and Hidden Symmetries of the Dipole Black Ring
Maximal Analytic Extension Hidden Symmetries
2010/12/24
We construct analytic extensions across the Killing horizons of non-extremal and extremal dipole black rings in Einstein-Maxwell's theory using different methods. We show that these extensions are no...
Discretizations of continuum theories often do not preserve the gauge symmetry content.This occurs in particular for diffeomorphism symmetry in general relativity, which leads to severe difficulties b...