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4 papers · 2 filters
Bound on trace distance based on superfidelity
Zbigniew Puchała, Jarosław Adam Miszczak
We provide a bound for the trace distance between two quantum states. The lower bound is based on the superfidelity, which provides the upper bound on quantum fidelity. One of the…
Dynamical Casimir effect in oscillating media
Iwo Bialynicki-Birula, Zofia Bialynicka-Birula
We show that oscillations of a homogeneous medium with constant material coefficients produce pairs of photons. Classical analysis of an oscillating medium reveals regions of param…
Electromagnetic radiation by gravitating bodies
Iwo Bialynicki-Birula, Zofia Bialynicka-Birula
Gravitating bodies in motion, regardless of their constitution, always produce electromagnetic radiation in the form of photon pairs. This phenomenon is an analog of the radiation…
Noise Effects in Quantum Magic Squares Game
P. Gawron, J. A. Miszczak, J. Sladkowski
In the article we analyse how noisiness of quantum channels can influence the magic squares quantum pseudo-telepathy game. We show that the probability of success can be used to de…