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2015-07-28
11:25
Lagrangian coherent structures and plasma transport processes / Falessi, M V ; Pegoraro, F ; Schep, T J
A dynamical system framework is used to describe transport processes in plasmas embedded in a magnetic field. For periodic systems with one degree of freedom the Poincar\'e map provides a splitting of the phase space into regions where particles have different kinds of motion: periodic, quasi-periodic or chaotic. [...]
arXiv:1507.07464.- 2015 - Published in : October 4958105 (2015) 5 External link: Preprint

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2015-07-28
11:25
Causation entropy from symbolic representations of dynamical systems / Cafaro, Carlo ; Lord, Warren M ; Sun, Jie ; Bollt, Erik M
Identification of causal structures and quantification of direct information flows in complex systems is a challenging yet important task, with practical applications in many fields. Data generated by dynamical processes or large-scale systems are often symbolized, either because of the finite resolution of the measurement apparatus, or because of the need of statistical estimation. [...]
arXiv:1507.07262.- 2015 - 22 p. - Published in : Chaos 25 (2015) 043106 External link: Preprint

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2015-07-28
11:25
Quantized form factor shift in the presence of free electron laser radiation / Fratini, F ; Safari, L ; Hayrapetyan, A G ; Jänkälä, K ; Amaro, P ; Santos, J P
In electron scattering, the target form factors contribute significantly to the diffraction pattern and carry information on the target electromagnetic charge distribution. Here we show that the presence of electromagnetic radiation, as intense as currently available in Free Electron Lasers, shifts the dependence of the target form factors by a quantity that depends on the number of photons absorbed or emitted by the electron as well as on the parameters of the electromagnetic radiation. [...]
arXiv:1507.07135.- 2015 - Published in : Europhys. Lett. 107 (2014) 13002 External link: Preprint

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2015-07-28
11:25
Long range correction for multi-site Lennard-Jones models and planar interfaces / Werth, Stephan ; Rutkai, Gábor ; Horsch, Martin ; Vrabec, Jadran ; Hasse, Hans
A slab based long range correction approach for multi-site Lennard-Jones models is presented for systems with a planar film geometry that is based on the work by Janecek, J. Phys. [...]
arXiv:1507.07130.- 2015 External link: Preprint

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2015-07-28
11:25
Performance metrics in a hybrid MPI-OpenMP based molecular dynamics simulation with short-range interactions / Pal, Anirban ; Agarwala, Abhishek ; Raha, Soumyendu ; Bhattacharya, Baidurya
We discuss the computational bottlenecks in molecular dynamics (MD) and describe the challenges in parallelizing the computation intensive tasks. We present a hybrid algorithm using MPI (Message Passing Interface) with OpenMP threads for parallelizing a generalized MD computation scheme for systems with short range interatomic interactions. [...]
arXiv:1507.07068.- 2015 - Published in : o. 3 (2014) 2203-2214 External link: Preprint

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2015-07-28
11:24
One-loop QCD correction to top pair production in the littlest Higgs model with T-parity at the LHC / Yang, Bingfang ; Liu, Ning
In this work, we investigate the one-loop QCD correction to top pair production in the littlest Higgs model with T-parity at the LHC. We calculate the relative correction of the top pair production cross section and top-antitop spin correlation at the LHC for $\sqrt{s}=8,14$ TeV. [...]
arXiv:1507.07104.- 2015 - Published in : Europhys. Lett. 111 (2015) 11001 External link: Preprint

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2015-07-28
11:20
2+1-dimensional wormhole from a doublet of scalar fields / Mazharimousavi, S Habib ; Halilsoy, M
We present a class of exact solutions in the framework of $2+1-$dimensional Einstein gravity coupled minimally to a doublet of scalar fields. Our solution can be interpreted upon tuning of parameters as an asymptotically flat wormhole as well as a particle model in $2+1-$dimensions..
arXiv:1507.07257.- 2015 - 6 p. - Published in : Phys. Rev. D 92 (2015) 024040 External link: Preprint

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2015-07-28
11:19
Variation around a Pyramid theme: optical recombination and optimal use of photons / Fauvarque, O (Laboratoire d'Astrophysique de Marseille) ; Neichel, B (Laboratoire d'Astrophysique de Marseille) ; Fusco, T (Laboratoire d'Astrophysique de Marseille ; ONERA) ; Sauvage, J F (Laboratoire d'Astrophysique de Marseille ; ONERA)
We propose a new type of Wave Front Sensor (WFS) derived from the Pyramid WFS (PWFS). This new WFS, called the Flattened Pyramid-WFS (FPWFS), has a reduced Pyramid angle in order to optically overlap the four pupil images into an unique intensity. [...]
arXiv:1507.07387.- 2015 - 4 p. - Published in : Vol. 40, No. 15, August 1 2015, Optics Letters External link: Preprint

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2015-07-28
11:19
The study of triple systems V949 Cen, V358 Pup, and V1055 Sco / Zasche, P ; Honkova, K ; Jurysek, J ; Masek, M
The systems V949 Cen, V358 Pup, and V1055 Sco are triples comprised of an eclipsing binary orbiting with a distant visual component on a much longer orbit. The first detailed photometric analysis of these interesting systems was performed using also the archival data from Hipparcos, ASAS, SuperWASP, OMC, and Pi Of The Sky surveys. [...]
arXiv:1507.07325.- 2015 - 19 p. External link: Preprint

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2015-07-27
15:53
New potential for the Leitz Infinity Coordinate Measuring Machine / Sanz, Claude (CERN) ; Cherif, Ahmed (CERN) ; MAINAUD DURAND , Hélène (CERN) ; SCHNEIDER, Jurgen (HEXAGON Metrology) ; STEFFENS, Norbert (HEXAGON Metrology) ; MORANTZ , Paul (Cranfield University) ; SHORE , Paul (Cranfield University)
The following study is realised within the frame of the PACMAN project: a study on Particle Accelerator Components Metrology and Alignment to the Nanometre scale, which is a Marie Curie program supported by the European commission and hosted by CERN (European Organisation for Nuclear Research). The aim of this program is to develop and build a pre-alignment bench on which each component is aligned to the required level in one single step using a stretched wire [...]
CERN-ACC-2015-0078.- Geneva : CERN, 2015 - Published in : Fulltext: PDF;
In : 15th International Conference & Exhibition, Leuven, Belgium, 1 - 5 Jun 2015

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