Results 111 to 120 of about 1,354,711 (291)

Quantum discord dynamical behaviors due to initial system-cavity correlations

open access: yes, 2010
We analyze the roles of initial correlations between the two-qubit system and a dissipative cavity on quantum discord dynamics of two qubits. Considering two initial system-cavity states, we show that the initial system-cavity correlations not only can ...
Guang-Can Guo   +8 more
core   +1 more source

BMPCQA: Bioinspired Metaverse Point Cloud Quality Assessment Based on Large Multimodal Models

open access: yesAdvanced Intelligent Systems, EarlyView.
This study presents a bioinspired metaverse point cloud quality assessment metric, which simulates the human visual evaluation process to perform the point cloud quality assessment task. It first extracts rendering projection video features, normal image features, and point cloud patch features, which are then fed into a large multimodal model to ...
Huiyu Duan   +7 more
wiley   +1 more source

Quantum coherence bounds the distributed discords

open access: yesnpj Quantum Information, 2022
Establishing quantum correlations between two remote parties by sending an information carrier is an essential step of many protocols in quantum information processing.
Zhi-Xiang Jin   +3 more
doaj   +1 more source

Super quantum discord for X-type states

open access: yes, 2014
Weak measurement is a new way to manipulate and control quantum systems. Different from projection measurement, weak measurement only makes a small change in status.
Fei, Shaoming   +4 more
core   +1 more source

Super-quantum discord in ferromagnetic and antiferromagnetic materials [PDF]

open access: yesQuantum Information Processing, 2019
Super-quantum discord is an extension of the quantum discord concept where weak measurements are made instead of projective measurements. We study the temperature behavior of the super-quantum discord for two real magnetic materials.
A. Fedorova, T. Byrnes, A. Pyrkov
semanticscholar   +1 more source

Interactive Tool for Customizing Hydrogel Properties in Practical Applications

open access: yesAdvanced Intelligent Systems, EarlyView.
This research provides an open‐access tool that enables the scientific community to optimally synthesize hydrogels without requiring expert knowledge, thereby reducing experimental costs. Soft materials represent an interdisciplinary frontier in modern science, combining theoretical and experimental knowledge from diverse fields in both fundamental ...
Ricardo Negrete‐Gallego   +5 more
wiley   +1 more source

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

Quantum discord and quantum phase transition in spin chains

open access: yes, 2008
Quantum phase transitions of the transverse Ising and antiferromagnetic XXZ spin S=1/2 chains are studied using quantum discord. Quantum discord allows the measure of quantum correlations present in many-body quantum systems.
Dillenschneider, Raoul
core   +1 more source

SciLitMiner: An Intelligent System for Scientific Literature Mining and Knowledge Discovery

open access: yesAdvanced Intelligent Systems, EarlyView.
SciLitMiner is an intelligent system that federately ingests scientific literature, filters it using advanced information retrieval methods, and applies retrieval‐augmented generation tailored to scientific domains. Demonstrated on creep deformation in γ‐TiAl alloys, SciLitMiner provides a controlled workflow for systematic knowledge discovery and ...
Vipul Gupta   +3 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

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