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In this work, we describe a possible experimental realization of Bose's idea to use spin chains for short distance quantum communication [S. Bose, Phys. Rev. Lett. 91 207901]. Josephson arrays have been proposed and analyzed as transmission channels for systems of superconducting charge qubits. Here, we consider a chain of persistent current qubits, that is(More)
The stable crystal structure of LiBeH(3) is predicted on the basis of ab initio total-energy calculations using density-functional theory and an extended database of candidate structures and using global optimizations based on an evolutionary algorithm. At the level of density-functional theory, a CaSiO(3)_1-type structure with space group P2(1)/c,(More)
Variability of the length of the white area on the outermost quill feathers of the great tit from two cities in the Middle Ural has been investigated. Dynamics of the average length of the white area in the birds from the city of Asbest reproduced the dynamics observed in the city of Yekaterinburg with a one-year lag in the females and a two-year lag in the(More)
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