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Pair production in differently polarized electric fields with frequency chirps
Obulkasim Olugh, Zi-Liang Li, Bai-Song Xie +1
Electron-positron pair production in strong electric fields, i.e., the Sauter-Schwinger effect, is studied using the real-time Dirac-Heisenberg-Wigner formalism. Hereby, the electr…
Bound state properties from the Functional Renormalisation Group
Reinhard Alkofer, Axel Maas, Walid Ahmed Mian +4
We discuss an approach for accessing bound state properties, like mass and decay width, of a theory within the functional renormalisation group approach. An important cornerstone i…
On the low-energy spectrum of an SU(2) gauge theory with dynamical fermions
Milan Vujinovic, Reinhard Alkofer
The spectrum of light bound states in an SU(2) gauge theory with two flavors of fundamentally charged fermions is investigated by solving the Bethe-Salpeter equations in the respec…
Electromagnetic transition form factors of baryons in a relativistic Faddeev approach
Reinhard Alkofer, Christian S. Fischer, Helios Sanchis-Alepuz
The covariant Faddeev approach which describes baryons as relativistic three-quark bound states and is based on the Dyson-Schwinger and Bethe-Salpeter equations of QCD is briefly r…