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- Institute for Research in Fundamental SciencesIR578 papers
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8 papers · 2 filters
Thermal effects on quantum communication through spin chains
Abolfazl Bayat, Vahid Karimipour
We study the effect of thermal fluctuations in a recently proposed protocol for transmission of unknown quantum states through quantum spin chains. We develop a low temperature exp…
Quantum mechanics as a result of time broadening of the classical object
A. M. Ghorbanzadeh
It is shown that the Schrodinger equation is a byproduct of more deterministic Boltzmann-like equation. All physical information is derived from the solution of this equation, whic…
Complete Correlation, Detection loophole and Bell's Theorem
Afshin Shafiee, Mehdi Golshani
Two new formulations of Bell's theorem are given here. First, we consider a definite set of two entangled photons with only two polarization directions, for which Bell's locality a…
Information and The Brukner-Zeilinger Interpretation of Quantum Mechanics: A Critical Investigation
Afshin Shafiee, Feryal Safinejad, Farnoush Naqsh
In Brukner and Zeilinger's interpretation of quantum mechanics, information is introduced as the most fundamental notion and the finiteness of information is considered as an essen…
Thermal entanglement of spins in a nonuniform magnetic field
M. Asoudeh, V. Karimipour
We study the effect of inhomogeneities in the magnetic field on the thermal entanglement of a two spin system. We show that in the ferromagnetic case a very small inhomogeneity is…
Exact solutions for universal holonomic quantum gates
Vahid Karimipour, Nayereh Majd
We show how one can implement any local quantum gate on specific qubits in an array of qubits by carrying adiabatically a Hamiltonian around a closed loop. We find the exact form o…