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quant-ph2019★ 2 cited
Implementation of a two-qubit state by an auxiliary qubit on the three-spin system
A. R. Kuzmak
The method for preparation of a two-qubit state on two spins-1/2 that mutually interact through an auxiliary spin is proposed. The essence of the method is that, initially, the thr…
quant-ph2019★ 6 cited
Probing the Lee-Yang zeros of a spin bath by correlation functions and entanglement of two spins
A. R. Kuzmak, V. M. Tkachuk
We study the Lee-Yang zeros of the ferromagnetic Ising bath via the interaction with the two probe spins. Similarly as in paper [Bo-Bo Wei, Ren-Bao Liu, Phys. Rev. Lett. 109, 18570…