Quantum discord and its allies: a review of recent progress

A Bera, T Das, D Sadhukhan, SS Roy… - Reports on Progress …, 2017 - iopscience.iop.org
We review concepts and methods associated with quantum discord and related topics. We
also describe their possible connections with other aspects of quantum information and …

Experimental demonstration of information to energy conversion in a quantum system at the Landauer limit

JPS Peterson, RS Sarthour… - … of the Royal …, 2016 - royalsocietypublishing.org
Landauer's principle sets fundamental thermodynamical constraints for classical and
quantum information processing, thus affecting not only various branches of physics, but …

Measuring bipartite quantum correlations of an unknown state

IA Silva, D Girolami, R Auccaise, RS Sarthour… - Physical Review Letters, 2013 - APS
We report the experimental measurement of bipartite quantum correlations of an unknown
two-qubit state. Using a liquid state Nuclear Magnetic Resonance setup and employing …

[HTML][HTML] Quantum sensing tools to characterize physical, chemical and biological processes with magnetic resonance

A Zwick, GA Álvarez - Journal of Magnetic Resonance Open, 2023 - Elsevier
Abstract Nuclear Magnetic Resonance (NMR) plays a central role in develo** quantum
information sciences and technologies. Key features such as its non-invasive nature and the …

Effects of reservoir squeezing on the amplification of quantum correlation and the quantum speed limit

Z Peng, LC Céleri, A Basit, G **anlong - Physical Review A, 2024 - APS
We examine the behavior of quantum discord in a scenario where two identical
noninteracting qubits interact with a shared squeezed environment at zero temperature. Our …

Witness of mixed separable states useful for entanglement creation

N Ganguly, J Chatterjee, AS Majumdar - Physical Review A, 2014 - APS
Absolutely separable states form a special subset of the set of all separable states, as they
remain separable under any global unitary transformation unlike other separable states. We …

Classification and measurement of multipartite entanglement by reconstruction of correlation tensors on an NMR quantum processor

V Gulati, Arvind, K Dorai - The European Physical Journal D, 2022 - Springer
We introduce a protocol to classify three-qubit pure states into different entanglement
classes and implement it on an NMR quantum processor. The protocol is designed in such a …

Evolution of tripartite entangled states in a decohering environment and their experimental protection using dynamical decoupling

H Singh, Arvind, K Dorai - Physical Review A, 2018 - APS
We embarked upon the task of experimental protection of different classes of tripartite
entangled states, namely, the maximally entangled Greenberger-Horne-Zeilinger (GHZ) and …

Quantum discord in nuclear magnetic resonance systems at room temperature

J Maziero, R Auccaise, LC Celeri… - Brazilian Journal of …, 2013 - Springer
We review the theoretical and the experimental researches aimed at quantifying or
identifying quantum correlations in liquid-state nuclear magnetic resonance (NMR) systems …

NMR Quantum Information Processing: Indian Contributions and Perspectives

K Dorai, Arvind - Journal of the Indian Institute of Science, 2023 - Springer
Quantum processors based on NMR architectures, which use nuclear spins as qubits and
radio frequency pulses to implement unitary quantum gates, came into existence nearly two …