CERN Accelerating science

Published Articles

Последние добавления:
2015-06-30
08:09
Getting Humans to do Quantum Optimization - User Acquisition, Engagement and Early Results from the Citizen Cyberscience Game Quantum Moves / Lieberoth, Andreas ; Pedersen, Mads Kock ; Marin, Andreea Catalina ; Planke, Tilo ; Sherson, Jacob Friis
The game Quantum Moves was designed to pit human players against computer algorithms, combining their solutions into hybrid optimization to control a scalable quantum computer. In this midstream report, we open our design process and describe the series of constitutive building stages going into a quantum physics citizen science game. [...]
arXiv:1506.08761.- 2015 - 26 p. - Published in : Human Computation 1(2) 219-244 (2014) External link: Preprint

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2015-06-30
08:09
Disorder-induced light trapping enhanced by pulse collisions in one-dimensional nonlinear photonic crystals / Novitsky, Denis
We use numerical simulations to study interaction of co- and counter-propagating pulses in disordered multilayers with noninstantaneous Kerr nonlinearity. We propose a statistical argument for existence of the disorder-induced trapping which implies the dramatic rise of the probability of realization with low output energy in the structure with a certain level of disorder. [...]
arXiv:1506.08607.- 2015 - 7 p. - Published in : Opt. Commun. 353 (2015) 56-62 External link: Preprint

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2015-06-30
08:09
The cuttlefish Sepia officinalis (Sepiidae, Cephalopoda) constructs cuttlebone from a liquid-crystal precursor / Checa, Antonio G ; Cartwright, Julyan H E ; Sánchez-Almazo, Isabel ; Andrade, José P ; Ruiz-Raya, Francisco
Cuttlebone, the sophisticated buoyancy device of cuttlefish, is made of extensive superposed chambers that have a complex internal arrangement of calcified pillars and organic membranes. It has not been clear how this structure is assembled. [...]
arXiv:1506.08290.- 2015 - Published in : Scientific Reports 5 (2015) 11513 External link: Preprint

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2015-06-30
08:09
DGDFT: A Massively Parallel Method for Large Scale Density Functional Theory Calculations / Hu, Wei ; Lin, Lin ; Yang, Chao
We describe a massively parallel implementation of the recently developed discontinuous Galerkin density functional theory (DGDFT) [J. Comput. [...]
arXiv:1506.08147.- 2015 - 34 p. External link: Preprint

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2015-06-30
08:09
A Study on the Effect of Exit Widths and Crowd Sizes in the Formation of Arch in Clogged Crowds / Castro, Francisco Enrique Vicente G ; Pabico, Jaderick P
The arching phenomenon is an emergent pattern formed by a $c$-sized crowd of intelligent, goal-oriented, autonomous, heterogeneous individuals moving towards a $w$-wide exit along a long $W$-wide corridor, where $W>w$. We collected empirical data from microsimulations to identify the combination effects of~$c$ and~$w$ to the time~$T$ of the onset of and the size~$S$ of the formation of the arch. [...]
arXiv:1506.08133.- 2015 - 9 p. External link: Preprint

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2015-06-30
08:09
Dynamic of astrophysical jets in the complex octonion space / Weng, Zi-Hua
The paper aims to consider the strength gradient force as the dynamic of astrophysical jets, explaining the movement phenomena of astrophysical jets. J. [...]
arXiv:1506.08058.- 2015 - 19 p. - Published in : Int. J. Mod. Phys. D 24 (2015) 1550072 External link: Preprint

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2015-06-30
08:09
Mechanical properties of branched actin filaments / Razbin, Mohammadhosein ; Falcke, Martin ; Benetatos, Panayotis ; Zippelius, Annette
Cells moving on a two dimensional substrate generate motion by polymerizing actin filament networks inside a flat membrane protrusion. New filaments are generated by branching off existing ones, giving rise to branched network structures. [...]
arXiv:1506.08051.- 2015 - Published in : 2015 Phys. Biol. 12 046007 External link: Preprint

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2015-06-30
08:09
Large-sensitive-area superconducting nanowire single-photon detector at 850 nm with high detection efficiency / Li, Hao ; Zhang, Lu ; You, Lixing ; Yang, Xiaoyan ; Zhang, Weijun ; Liu, Xiaoyu ; Chen, Sijing ; Wang, Zhen ; Xie, Xiaoming
Satellite-ground quantum communication requires single-photon detectors of 850-nm wavelength with both high detection efficiency and large sensitive area. We developed superconducting nanowire single-photon detectors (SNSPDs) on one-dimensional photonic crystals, which acted as optical cavities to enhance the optical absorption, with a sensitive-area diameter of 50 um. [...]
arXiv:1506.07922.- 2015 - 8 p. External link: Preprint

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2015-06-30
08:09
Superconducting nanowire single-photon detectors at a wavelength of 940 nm / Zhang, W J ; Li, H ; You, L X ; He, Y H ; Zhang, L ; Liu, X Y ; Yang, X Y ; Wu, J J ; Guo, Q ; Chen, S J et al.
We develop single-photon detectors comprising single-mode fiber-coupled superconducting nanowires, with high system detection efficiencies at a wavelength of 940 nm. The detector comprises a 6.5-nm-thick, 110-nm-wide NbN nanowire meander fabricated onto a Si substrate with a distributed Bragg reflector for enhancing the optical absorptance. [...]
arXiv:1506.07921.- 2015 - 12 p. External link: Preprint

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2015-06-30
08:09
Few-photon imaging at 1550 nm using a low-timing-jitter superconducting nanowire single-photon detector / Zhou, H ; He, Y ; You, L ; Chen, S ; Zhang, W ; Wu, J ; Wang, Z ; Xie, X
We demonstrated a laser depth imaging system based on the time-correlated single-photon counting technique, which was incorporated with a low-jitter superconducting nanowire single-photon detector (SNSPD), operated at the wavelength of 1550 nm. A sub-picosecond time-bin width was chosen for photon counting, resulting in a discrete noise of less than one/two counts for each time bin under indoor/outdoor daylight conditions, with a collection time of 50 ms. [...]
arXiv:1506.07920.- 2015 - 7 p. External link: Preprint

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