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Finite precision measurement nullifies Euclid's postulates
Asher Peres
Following Meyer's argument (quant-ph/9905080) the set of all directions in space is replaced by the dense subset of rational directions. The result conflicts with Euclidean geometr…
Einstein, Podolsky, Rosen, and Shannon
Asher Peres
The EPR paradox (1935) is reexamined in the light of Shannon's information theory (1948). The EPR argument did not take into account that the observers' information was localized,…
Elliptic Rydberg states as direction indicators
Netanel H. Lindner, Asher Peres, Daniel R. Terno
The orientation in space of a Cartesian coordinate system can be indicated by the two vectorial constants of motion of a classical Keplerian orbit: the angular momentum and the Lap…
What is actually teleported?
Asher Peres
There are no ``unknown quantum states.'' It's a contradiction in terms. Moreover, Alice and Bob are only inanimate objects. They know nothing. What is teleported instantaneously fr…
Wigner's little group and Berry's phase for massless particles
Netanel H. Lindner, Asher Peres, Daniel R. Terno
The ``little group'' for massless particles (namely, the Lorentz transformations that leave a null vector invariant) is isomorphic to the Euclidean group E2: translations and r…
Quantum information and special relativity
Asher Peres, Daniel R. Terno
Relativistic effects affect nearly all notions of quantum information theory. The vacuum behaves as a noisy channel, even if the detectors are perfect. The standard definition of a…