Results 51 to 60 of about 213,928 (268)

Quantum Computation and Quantum Information

open access: yesStatistical Science, 2012
Published in at http://dx.doi.org/10.1214/11-STS378 the Statistical Science (http://www.imstat.org/sts/) by the Institute of Mathematical Statistics (http://www.imstat.org)
openaire   +3 more sources

Quantum information is physical [PDF]

open access: yesSuperlattices and Microstructures, 1998
28 pages, Latex, 2 eps figures, Paper to be published in Superlattices and Microstructures, Special Issue on the Occasion of Rolf Landauer's 70th Birthday. V2: 11 pages, small corrections to Sect.
DiVincenzo, D. P., Loss, D.
openaire   +3 more sources

Subjective nature of path information in quantum mechanics

open access: yesNature Communications
Common sense suggests that a particle must have a definite origin if its full path information is available. In quantum mechanics, the knowledge of path information is captured through the well-established duality relation between path distinguishability
Xinhe Jiang   +6 more
doaj   +1 more source

Simultaneous transmission of hyper-entanglement in three degrees of freedom through a multicore fiber

open access: yesnpj Quantum Information, 2023
Entanglement distribution is at the heart of most quantum communication protocols. Inevitable loss of photons along quantum channels is a major obstacle for distributing entangled photons over long distances, as the no-cloning theorem forbids the ...
Lukas Achatz   +9 more
doaj   +1 more source

A light‐triggered Time‐Resolved X‐ray Solution Scattering (TR‐XSS) workflow with application to protein conformational dynamics

open access: yesFEBS Open Bio, EarlyView.
Time‐resolved X‐ray solution scattering captures how proteins change shape in real time under near‐native conditions. This article presents a practical workflow for light‐triggered TR‐XSS experiments, from data collection to structural refinement. Using a calcium‐transporting membrane protein as an example, the approach can be broadly applied to study ...
Fatemeh Sabzian‐Molaei   +3 more
wiley   +1 more source

Experimental realization of a multiplexed quantum memory with 225 individually accessible memory cells

open access: yesNature Communications, 2017
To realize long-distance quantum communication it is required to have individually addressable quantum memories with programmable access to many cells. Here the authors report DLCZ-type quantum memories with 225 individually accessible memory cells in a ...
Y-F Pu   +5 more
doaj   +1 more source

Analysing the significance of small conformational changes and low occupancy states in serial crystallographic data

open access: yesFEBS Open Bio, EarlyView.
This protocol paper outlines methods to establish the success of a time‐resolved serial crystallographic experiment, by means of statistical analysis of timepoint data in reciprocal space and models in real space. We show how to amplify the signal from excited states to visualise structural changes in successful experiments.
Jake Hill   +4 more
wiley   +1 more source

Partial quantum information [PDF]

open access: yesNature, 2005
Information--be it classical or quantum--is measured by the amount of communication needed to convey it. In the classical case, if the receiver has some prior information about the messages being conveyed, less communication is needed. Here we explore the concept of prior quantum information: given an unknown quantum state distributed over two systems,
Horodecki, M, Oppenheim, J, Winter, AJ
openaire   +3 more sources

Refinement of amino‐acid conformation vs. difference density maps in time‐resolved serial femtosecond crystallography data analysis

open access: yesFEBS Open Bio, EarlyView.
The dFoCC pipeline starts with observed DED and resting‐state coordinates, which are then used to generate a library of triggered states. Correlation analysis of the calculated DED features of each candidate vs observed DED permits quantitative evaluation of candidate structural quality.
Meng Iao Fong   +3 more
wiley   +1 more source

Fast delivery of heralded atom-photon quantum correlation over 12 km fiber through multiplexing enhancement

open access: yesNature Communications
Distributing quantum entanglement between distant parties is a significant but difficult task in quantum information science, as it can enable numerous applications but suffers from exponential decay in the quantum channel.
Sheng Zhang   +6 more
doaj   +1 more source

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