We propose a method of optimally controlling the tradeoff of speed and fidelity of state
transfer through a noisy quantum channel (spin-chain). This process is treated as qubit state …

The transmission of quantum states through spin chains is an important element in the
implementation of quantum information technologies. Speed and fidelity of transfer are the …

In this article we argue that thermal reservoirs (baths) are potentially useful resources in
processes involving atoms interacting with quantized electromagnetic fields and their …

We study the problem of remote one-qubit mixed state creation using a pure initial state of
two-qubit sender and spin-1/2 chain as a connecting line. We express the parameters of …

We consider a method of remote mixed state creation of a one-qubit subsystem (receiver) in
a spin-1/2 chain governed by the nearest-neighbor XY Hamiltonian. Owing to the evolution …

We analyze the performance of two quantum-state-transfer Hamiltonians in the presence of
diagonal and off-diagonal disorders, and in terms of different measures. The first …

We consider the communication line with two-qubit sender and receiver, the later is
embedded into the four-qubit extended receiver. Using the optimizing unitary transformation …

Multiple quantum (MQ) NMR coherence spectra, which can be obtained experimentally in
MQ NMR, can be transferred from the sender to the remote receiver without mixing the MQ …

For a weighted graph G with adjacency matrix A, let U (t)= eit A. For indices s, r, the fidelity of
transfer at time t is p (t)=| u (t) s, r| 2, and there is perfect state transfer if p (t 0)= 1 for some t 0 …

We consider the problem of remote two-qubit state creation using the two-qubit excitation
pure initial state of the sender. The communication line is based on the optimized boundary …