Quantum communication through spin chain dynamics: an introductory overview
S Bose - Contemporary Physics, 2007 - Taylor & Francis
We present an introductory overview of the use of spin chains as quantum wires, which has
recently developed into a topic of lively interest. The principal motivation is in connecting …
recently developed into a topic of lively interest. The principal motivation is in connecting …
Unmodulated spin chains as universal quantum wires
We study a quantum state transfer between two qubits interacting with the ends of a
quantum wire consisting of linearly arranged spins coupled by an excitation conserving, time …
quantum wire consisting of linearly arranged spins coupled by an excitation conserving, time …
Experimental perfect state transfer of an entangled photonic qubit
The transfer of data is a fundamental task in information systems. Microprocessors contain
dedicated data buses that transmit bits across different locations and implement …
dedicated data buses that transmit bits across different locations and implement …
Spin chains as perfect quantum state mirrors
P Karbach, J Stolze - Physical Review A—Atomic, Molecular, and Optical …, 2005 - APS
Quantum information transfer is an important part of quantum information processing.
Several proposals for quantum information transfer along linear arrays of nearest-neighbor …
Several proposals for quantum information transfer along linear arrays of nearest-neighbor …
Communication at the quantum speed limit along a spin chain
Spin chains have long been considered as candidates for quantum channels to facilitate
quantum communication. We consider the transfer of a single excitation along a spin-1/2 …
quantum communication. We consider the transfer of a single excitation along a spin-1/2 …
Entanglement entropy in quantum impurity systems and systems with boundaries
I Affleck, N Laflorencie… - Journal of Physics A …, 2009 - iopscience.iop.org
We review research on a number of situations where a quantum impurity or a physical
boundary has an interesting effect on entanglement entropy. Our focus is mainly on impurity …
boundary has an interesting effect on entanglement entropy. Our focus is mainly on impurity …
Globally controlled quantum wires for perfect qubit transport, mirroring, and computing
We describe a new design for aq wire with perfect transmission using a uniformly coupled
Ising spin chain subject to global pulses. In addition to allowing for the perfect transport of …
Ising spin chain subject to global pulses. In addition to allowing for the perfect transport of …
Transfer of arbitrary two-qubit states via a spin chain
We investigate the fidelity of the quantum state transfer (QST) of two qubits by means of an
arbitrary spin-1 2 network, on a lattice of any dimensionality. Under the assumptions that the …
arbitrary spin-1 2 network, on a lattice of any dimensionality. Under the assumptions that the …
Multiuser quantum communication networks
We study a quantum state transfer between spins interacting with an arbitrary network of
spins coupled by uniform XX interactions. It is shown that in such a system under fairly …
spins coupled by uniform XX interactions. It is shown that in such a system under fairly …
Dynamics and control of a quasi-one-dimensional spin system
We study experimentally a system comprised of linear chains of spin-1/2 nuclei that provides
a test bed for multibody dynamics and quantum-information processing. This system is a …
a test bed for multibody dynamics and quantum-information processing. This system is a …