Colloquium: Protecting quantum information against environmental noise

D Suter, GA Álvarez - Reviews of Modern Physics, 2016 - APS
Quantum technologies represent a rapidly evolving field in which the specific properties of
quantum mechanical systems are exploited to enhance the performance of various …

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 …

Perfect, efficient, state transfer and its application as a constructive tool

A Kay - International Journal of Quantum Information, 2010 - World Scientific
We review the subject of perfect state transfer—how one designs the (fixed) interactions of a
chain of spins so that a quantum state, initially inserted on one end of the chain, is perfectly …

Robust dynamical decoupling

AM Souza, GA Álvarez, D Suter - … Transactions of the …, 2012 - royalsocietypublishing.org
Quantum computers, which process information encoded in quantum mechanical systems,
hold the potential to solve some of the hardest computational problems. A substantial …

Unmodulated spin chains as universal quantum wires

A Wójcik, T Łuczak, P Kurzyński, A Grudka, T Gdala… - Physical Review A …, 2005 - APS
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 …

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 …

Fast and robust quantum state transfer via a topological chain

NE Palaiodimopoulos, I Brouzos, FK Diakonos… - Physical Review A, 2021 - APS
We propose a fast and robust quantum state transfer protocol employing a Su-Schrieffer-
Heeger chain, where the interchain couplings vary in time. Based on simple considerations …

Perfect state transfer on a spin chain without state initialization

C Di Franco, M Paternostro, MS Kim - Physical review letters, 2008 - APS
We demonstrate that perfect state transfer can be achieved using an engineered spin chain
and clean local end-chain operations, without requiring the initialization of the state of the …

Performance comparison of dynamical decoupling sequences for a qubit in a rapidly fluctuating spin bath

GA Alvarez, A Ajoy, X Peng, D Suter - Physical Review A—Atomic, Molecular …, 2010 - APS
Avoiding the loss of coherence of quantum mechanical states is an important prerequisite for
quantum information processing. Dynamical decoupling (DD) is one of the most effective …

Optimal pulse spacing for dynamical decoupling in the presence of a purely dephasing spin bath

A Ajoy, GA Álvarez, D Suter - Physical Review A—Atomic, Molecular, and …, 2011 - APS
Maintaining quantum coherence is a crucial requirement for quantum computation; hence
protecting quantum systems against their irreversible corruption due to environmental noise …