most citedEntanglement in alternating open spin-1/2 chains with XY-Hamiltonian

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quant-ph2007★ 9 cited

Entanglement in alternating open spin-1/2 chains with XY-Hamiltonian

S. I. Doronin, E. B. Fel'dman, A. N. Pyrkov

We investigate entanglement of spin pairs in alternating open spin chains in the equilibrium state in an external magnetic field. We calculate the reduced density matrix of spin pa…