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17 papers · 2 filters
Strategies in Symmetric Kolkata Restaurant Problem
Puya Sharif, Hoshang Heydari
The Quantum Kolkata restaurant problem is a multiple-choice version of the quantum minority game, where a set of n non-communicating players have to chose between one of m choices.…
Novel High-Speed Polarization Source for Decoy-State BB84 Quantum Key Distribution over Free Space and Satellite Links
Zhizhong Yan, Evan Meyer-Scott, Jean-Philippe Bourgoin +5
To implement the BB84 decoy-state quantum key distribution (QKD) protocol over a lossy ground-satellite quantum uplink requires a source that has high repetition rate of short lase…
Two Dimensional Isotropic Harmonic Oscillator on a Time-dependent Sphere
Ali Mahdifar, Behrouz Mirza, Rasoul Roknizadeh
In this paper, we investigate a two dimensional isotropic harmonic oscillator on a time-dependent spherical background. The effect of the background can be represented as a minimal…
Systems of Imprimitivity for the Clifford Group
D. M. Appleby, Ingemar Bengtsson, Stephen Brierley +3
It is known that if the dimension is a perfect square the Clifford group can be represented by monomial matrices. Another way of expressing this result is to say that when the dime…
Gleason, Kochen-Specker, and a competition that never was
Ingemar Bengtsson
I review the two theorems referred to in the title, and then suggest that it would be interesting to know how much of Hilbert space one can use without forcing the proof of these t…
Experimental implementation of a Kochen-Specker set of quantum tests
Vincenzo D'Ambrosio, Isabelle Herbauts, Elias Amselem +4
The conflict between classical and quantum physics can be identified through a series of yes-no tests on quantum systems, without it being necessary that these systems be in specia…