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First open-access data from large collider confirm subatomic particle patterns（图）
First open-access data large collider subatomic particle patterns
2017/10/25
In November of 2014, in a first, unexpected move for the field of particle physics, the Compact Muon Solenoid (CMS) experiment — one of the main detectors in the world’s largest particle accelerator, ...
Iterative water-filling for Gaussian vector multiple access channels
channel capacity convex optimization Gaussian channels multiuser channels multiple-access channels multipleaccess communications multiple-antenna systems optimization methods power control water-filling
2015/8/11
We develop an efficient iterative water-filling algorithm to find an optimal transmit spectrum for maximum sum capacity in a Gaussian multiple access channel with vector inputs and a vector output. Th...
Clarifying Open Access:its implications for the research community (Letter)
open access Green OA Gold OA publishing models publishing reform self-archiving research funding
2015/7/29
A critique of the CERN proposal to convert particle physics journals from the user-institution-pays subscription model to an author-institution-pays model for the sake of Open Access (OA). OA can be a...
New ways to access the transverse spin content of the nucleon
New ways transverse spin content of the nucleon
2011/1/7
We first describe a new way to access the chiral odd transversity parton distribution
in the proton through the photoproduction of lepton pairs. The basic ingredient is the
interference of the usual...
New ways to access the transverse spin content of the nucleon
New ways access transverse spin content nucleon
2010/12/29
We first describe a new way to access the chiral odd transversity parton distribution in the proton through the photoproduction of lepton pairs. The basic ingredient is the interference of the usual B...
New ways to access the transverse spin content of the nucleon
New ways transverse spin content of the nucleon
2011/1/5
We first describe a new way to access the chiral odd transversity parton distribution in the proton through the photoproduction of lepton pairs. The basic ingredient is the interference of the usual B...
Optimal measurements to access classical correlations of two-qubit states
Optimal measurements classical correlations two-qubit states
2010/10/19
We analyze the optimal measurements accessing classical correlations in arbitrary two-qubit states.Two-qubit states can be transformed into the canonical forms via local unitary operations. For the ca...
Nonextensivity in a memory network access mechanism
Consciousness-unconsciousness Neuroses Self-organized neural networks Boltzmann machine
2010/7/5
We have previously described neurotic psychopathology and psychoanalytic working-through by an associative memory mechanism, based on a neural network. Memory was initially modelled by a Boltzmann mac...
Durham scientists awarded first access to UK’s largest new Science Facility
science facility Diamond Light Source
2007/3/14
9 February 2007，A team of top scientists from Durham University, this week, joined leading academics from Leicester, Oxford, and London to become the first users of one of the brightest sources of lig...
Quantum secret sharing for general access structures
Quantum secret sharing general access structures
2010/10/15
We explore the conversion of classical secret-sharing schemes to quantum ones, and how this can be used to give efficient qss schemes for general adversary structures. Our first result is that quantum...