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4 papers · 2 filters
Conceptual aspects of geometric quantum computation
Erik Sjöqvist, Vahid Azimi Mousolou, Carlo M. Canali
Geometric quantum computation is the idea that geometric phases can be used to implement quantum gates, i.e., the basic elements of the Boolean network that forms a quantum compute…
Photon flux and distance from the source: consequences for quantum foundations and technologies
Andrei Khrennikov, Börje Nilsson, Sven Nordebo +1
The paper explores the fundamental physical principles of quantum mechanics (in fact, quantum field theory) which limit the bit rate for long distances. Propagation of photons in o…
Non-Abelian geometric phases in a system of coupled quantum bits
Vahid Azimi Mousolou, Erik Sjöqvist
A common strategy to measure the Abelian geometric phase for a qubit is to let it evolve along an 'orange slice' shaped path connecting two antipodal points on the Bloch sphere by…
Unifying Geometric Entanglement and Geometric Phase in a Quantum Phase Transition
Vahid Azimi Mousolou, Carlo M. Canali, Erik Sjöqvist
Geometric measure of entanglement and geometric phase have recently been used to analyze quantum phase transition in the XY spin chain. We unify these two approaches by showing tha…