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- Universidad Complutense de MadridES266 papers
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Observation of Gamma Rays from the Galactic Center with the MAGIC Telescope
J. Albert, MAGIC collaboration
Recently, the Galactic Center has been reported to be a source of very high energy (VHE) gamma-rays by the VERITAS, CANGAROO and HESS experiments. The energy spectra as measured by…
MAGIC observations of very high energy gamma-rays from HESS J1813-178
J. Albert, MAGIC collaboration
Recently, the HESS collaboration has reported the detection of gamma-ray emission above a few hundred GeV from eight new sources located close to the Galactic Plane. The source HES…
Capacities of noiseless quantum channels for massive indistinguishable particles: Bosons vs. fermions
Aditi Sen De, Ujjwal Sen, Bartosz Gromek +2
We consider information transmission through a noiseless quantum channel, where the information is encoded into massive indistinguishable particles: bosons or fermions. We study th…
Michelson-Morley experiment revisited
Bogusław Broda, Marcin Ostrowski
The idea of the Michelson-Morley experiment is theoretically reanalyzed. Elementary arguments are put forward to precisely derive the most general allowable form of the directional…
Elementary proof of the bound on the speed of quantum evolution
Piotr Kosinski, Magdalena Zych
An elementary proof is given of the bound on "ortogonalization time".
Note on clock synchronization and Edwards transformations
Piotr Kosinski
Edwards transformations relating inertial frames with arbitrary clock synchronization are reminded and put in more general setting. Their group theoretical context is described.