Quantum discord versus second-order MQ NMR coherence intensity in dimers
E. I. Kuznetsova, A. I. Zenchuk
TL;DR
This paper explores the relationship between quantum discord and second-order multiple quantum NMR coherence in dimers, proposing an experimental method to detect quantum discord through measurable coherence intensities.
Contribution
It establishes a direct link between quantum discord and measurable NMR coherence intensities in dimers, enabling experimental detection of quantum correlations.
Findings
Quantum discord correlates with second-order MQ NMR coherence intensity.
A method for experimental detection of quantum discord is proposed.
Comparison between quantum discord and concurrence is provided.
Abstract
We consider the quantum discord in a two-particle spin-1/2 system (dimer) governed by the standard multiple quantum (MQ) Hamiltonian and reveal the relation between the discord and the intensity of the second-order MQ coherence. Since the coherence intensities may be measured in experiment, we obtain a method of detecting the quantum discord in experiment. Comparison of discord and concurrence is represented.
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