902 citations
- Universidad Complutense de MadridES266 papers
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42 papers · 1 filter
The knee in the cosmic ray energy spectrum: a pulsar/supernova origin?
Tadeusz Wibig, Arnold W. Wolfendale
The origin of the prominent 'knee' in the cosmic ray energy spectrum at an energy of several PeV is still uncertain. A recent mechanism has shown promise, however; this involves pa…
Quasistatic limit of the strong-field approximation describing atoms in intense laser fields: Circular polarization
J. H. Bauer
In the recent work of Vanne and Saenz [Phys. Rev. A 75, 063403 (2007)] the quasistatic limit of the velocity gauge strong-field approximation describing the ionization rate of atom…
Einstein-Podolsky-Rosen correlations in a hybrid system
Paweł Caban, Jakub Rembieliński, Piotr Witas +1
We calculate the relativistic correlation function for a hybrid system of a photon and a Dirac-particle. Such a system can be produced in decay of another spin-1/2 fermion. We show…
Spectral Energy Distribution of Markarian 501: Quiescent State vs. Extreme Outburst
The VERITAS Collaboration, V. A. Acciari, T. Arlen +225
The very high energy (VHE; E > 100 GeV) blazar Markarian 501 has a well-studied history of extreme spectral variability and is an excellent laboratory for studying the physical pro…
Induced gauge interactions revisited
Bogusław Broda, Michał Szanecki
It has been shown that the old-fashioned idea of Sakharov's induced gravity and gauge interactions in the "one-loop dominance" version works astonishingly well yielding reasonable…
Nonrelativistic counterparts of twistors and the realizations of Galilean conformal algebra
S. Fedoruk, P. Kosinski, J. Lukierski +1
Using the notion of Galilean conformal algebra (GCA) in arbitrary space dimension d, we introduce for d=3 quantized nonrelativistic counterpart of twistors as the spinorial represe…