Results 81 to 90 of about 1,709,561 (207)

Branching States as The Emergent Structure of a Quantum Universe [PDF]

open access: yesQuantum
Quantum Darwinism builds on decoherence theory to explain the emergence of classical behavior in a fundamentally quantum universe. Within this framework we prove two crucial insights about the emergence of classical phenomenology, centered around quantum
Akram Touil   +3 more
doaj   +1 more source

Effect of Classical and Quantum Superposition of Atomic States on Quantum Correlations

open access: yesAdvances in Mathematical Physics, 2023
In this paper, we report the effect of classical and quantum superposition of atomic states on quantum correlations. Coupled photon pairs generated in a ladder quantum beat laser using coherent-induced classical field and atomic state coherent ...
Chimdessa Gashu   +2 more
doaj   +1 more source

Oblique discord [PDF]

open access: yesarXiv, 2015
Discord and entanglement characterize two kinds of quantum correlations, and discord captures more correlation than entanglement in the sense that even separable states may have nonzero discord. In this paper, we propose a new kind of quantum correlation we call it oblique discord.
arxiv  

Exploring Tyramine's Role in the Formation of Supramolecular Adducts with Nonsteroidal Anti‐Inflammatory Drugs

open access: yesChemistry – A European Journal, EarlyView.
An a priori design approach identified tyramine as an ideal co‐former for obtaining new supramolecular adducts with nonsteroidal anti‐inflammatory drugs, speeding up the co‐crystallization process. Three novel adducts and a new polymorphic form were synthesized and thoroughly characterized by solid‐state NMR and single‐crystal XRD.
Chiara Rosso   +6 more
wiley   +1 more source

Quantum discord-breaking and discord-annihilating channels [PDF]

open access: yesarXiv, 2019
Quantum discord-breaking channels were previously defined as the local channels that act on subsystem $A$ to produce classical-quantum states across system $AB$. However, unlike entanglement, discord is asymmetric. Here, we characterise the discord-breaking channels that act on subsystem $B$, thus completing the overall description of discord-breaking ...
arxiv  

Investigation of the Quantum Correlations for a S=1/2 Ising- Heisenberg Model on a Symmetrical Diamond Chain [PDF]

open access: yes, 2014
We consider the quantum correlations for a S=1/2 Ising- Heisenberg model of a symmetrical diamond chain. Firstly, we compare concurrence, quantum discord and 1- norm geometric quantum discord of an ideal diamond chain in the absence of magnetic field.
arxiv   +1 more source

Single Atom Sites in Ga‐Ni Supported Catalytically Active Liquid Metal Solutions (SCALMS) for Selective Ethylene Oligomerization

open access: yesChemPhysChem, EarlyView.
Supported catalytically active liquid metal solutions (SCALMS) based on liquid gallium‐nickel (Ga−Ni) alloys have demonstrated high catalytic activity and stability in the selective oligomerization of ethylene. In this study of novel Ga−Ni SCALMS, catalytic, spectroscopic, microscopic, and computational methods provide a unique and first insight into ...
Alexander Søgaard   +17 more
wiley   +1 more source

How discord underlies the noise resilience of quantum illumination

open access: yesNew Journal of Physics, 2016
The benefits of entanglement can outlast entanglement itself. In quantum illumination, entanglement is employed to better detect reflecting objects in environments so noisy that all entanglement is destroyed.
Christian Weedbrook   +4 more
doaj   +1 more source

Geometric quantum discord signals non-factorization

open access: yesJournal of High Energy Physics, 2023
We propose the information-theoretic quantity of geometric quantum discord (GQD) as an indicator of the factorization properties of a given quantum system. In particular, we show how non-vanishing discord implies that the corresponding partition function
Souvik Banerjee   +3 more
doaj   +1 more source

Quantum Correlations in Dimers [PDF]

open access: yesarXiv, 2014
It has been proven that the quantum discord is a more general tool to capture non-classical correlation than quantum entanglement, because there is a non-zero quantum discord in several mixed states that could not be measured by quantum entanglement.
arxiv  

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