Induced effects of the Dzyaloshinskii-Moriya interaction on the thermal entanglement in spin-1/2 Heisenberg chains

E Mehran, S Mahdavifar, R Jafari - Physical Review A, 2014 - APS
The nearest-neighbor spins in the one-dimensional spin-1/2 XX model with the added
Dzyaloshinskii-Moriya (DM) interaction are entangled at zero temperature. In the presence …

Single-experiment-detectable nonclassical correlation witness

R Rahimi, A SaiToh - Physical Review A—Atomic, Molecular, and Optical …, 2010 - APS
Recent progress in theories of quantum information has determined nonclassical correlation
defined differently from the widely used entanglement as an important property to evaluate …

Experimental implementation of a NMR entanglement witness

JG Filgueiras, TO Maciel, RE Auccaise… - Quantum Information …, 2012 - Springer
Entanglement witnesses (EW) allow the detection of entanglement in a quantum system,
from the measurement of some few observables. They do not require the complete …

Quantum teleportation with nonclassical correlated states in noninertial frames

H Mehri-Dehnavi, R Rahimi Darabad… - Quantum Information …, 2015 - Springer
Quantum teleportation is studied in noninertial frame, for fermionic case, when Alice and
Bob share a general nonclassical correlated state. In noninertial frames, two fidelities of …

Magnetic-field cycling instrumentation for dynamic nuclear polarization-nuclear magnetic resonance using photoexcited triplets

A Kagawa, M Negoro, K Takeda… - Review of Scientific …, 2009 - pubs.aip.org
To advance static solid-state NMR with hyperpolarized nuclear spins, a system has been
developed enabling dynamic nuclear polarization (DNP) using electron spins in the …

Witnessing nonclassical correlations via a single-shot experiment on an ensemble of spins using nuclear magnetic resonance

A Singh, Arvind, K Dorai - Physical Review A, 2017 - APS
A bipartite quantum system in a mixed state can exhibit nonclassical correlations which can
go beyond quantum entanglement. While quantum discord is the standard measure of …

Thermal classical and quantum correlations in spin-1/2 XX chains with the dzyaloshinskii-moriya interaction

S Mahdavifar, Z Bakhshipour, J Vahedi… - … of superconductivity and …, 2015 - Springer
Based on the analytical fermionization technique, the classical and quantum correlations
between nearest neighbor (NN) spins are studied in the spin-1/2 XX chains with added …

Single-experiment-detectable multipartite entanglement witness for ensemble quantum computing

R Rahimi, A SaiToh, M Nakahara, M Kitagawa - Physical Review A—Atomic …, 2007 - APS
In this paper we provide an operational method to detect multipartite entanglement in
ensemble-based quantum computing. This method is based on the concept of the …

Limitation for linear maps in a class for detection and quantification of bipartite nonclassical correlation

A Saitoh, R Rahimi, M Nakahara - arxiv preprint arxiv:1012.5718, 2010 - arxiv.org
Eigenvalue-preserving-but-not-completely-eigenvalue-preserving (EnCE) maps were
previously introduced for the purpose of detection and quantification of nonclassical …

Exploiting quantum effects in electron-nuclear coupled molecular spin systems

RR Darabad, K Sato, P Carl, P Höfer… - Electron spin resonance …, 2016 - Springer
Molecular spin systems coupled with nuclear spins are introduced as promising matter spin
qubits in quantum information processing and quantum computing (QC). Introductory …