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8 papers · 2 filters
Equi-entangled bases in arbitrary dimensions
Vahid Karimipour, Laleh Memarzadeh
For the space of two identical systems of arbitrary dimensions, we introduce a continuous family of bases with the following properties: i) the bases are orthonormal, ii) in each b…
Reply to Comment on ''Quantum key distribution for d-level systems with generalized Bell states''
V. Karimipour
In a recent comment \cite{ch1} it has been claimed that an entangled-based quantum key distribution protocol proposed in \cite{zhang} and its generalization to d-level systems in \…
Reply to Comment on ''Quantum secret sharing based on a reusable Greenberger-Horne -Zeilinger states as secure carriers''
V. Karimipour
We show that the criticism of a recent comment \cite{ch2} on the insecurity of a quantum secret sharing protocol proposed in \cite{v2} is based on a misconception about the meaning…
Entanglement of bosonic modes in symmetric graphs
M. Asoudeh, V. Karimipour
The ground and thermal states of a quadratic hamiltonian representing the interaction of bosonic modes or particles are always Gaussian states. We investigate the entanglement prop…
Common Cause and Contextual Realization of Bell Correlation
A. Shafiee, R. Maleeh, M. Golshani
Considering the common cause principle, we construct a local-contextual hidden-variable model for the Bohm version of EPR experiment. Our proposed model can reproduce the predictio…
How the quality of a received EPR pair depends on the distances from an EPR source?
A. Bayat, V. Karimipour, I. Marvian
Let an EPR source which generates maximally entangled pairs be located so that it has distances and to two users. After taking into account various effects like loss of…