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Letzte Einträge:
2016-07-29
08:31
Elliptic solid-on-solid model's partition function as a single determinant / Galleas, W
In this work we express the partition function of the integrable elliptic solid-on-solid model with domain-wall boundary conditions as a single determinant. This representation appears naturally as the solution of a system of functional equations governing the model's partition function..
arXiv:1604.01223.- 2016 - 6 p. - Published in : Phys. Rev. E 94 (2016) 010102 External link: Preprint

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2016-07-29
08:29
Accumulative coupling between magnetized tenuous plasma and gravitational waves / Zhang, Fan
We explicitly compute the plasma wave (PW) induced by a plane gravitational wave (GW) travelling through a region of strongly magnetized plasma, governed by force-free electrodynamics. The PW co-moves with the GW and absorbs its energy to grow over time, creating an essentially force-free counterpart to the inverse-Gertsenshtein effect. [...]
arXiv:1607.08537.- 2016 - 10 p. - Published in : Phys. Rev. D 94 (2016) 024048 External link: Preprint

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2016-07-29
08:29
On Shearing Fluids with Homogeneous Densities / Srivastava, D C (Department of Physics, DDU Gorakhpur University) ; Srivastava, V C (Department of Physics, DDU Gorakhpur University) ; Kumar, Rajesh (Department of Mathematics and Statistics, DDU Gorakhpur University)
In this paper, we study shearing spherically symmetric homogeneous density fluids in comoving coordinates. It is found that the expansion of the four-velocity of a perfect fluid is homogeneous, whereas its shear is generated by an arbitrary function of time M(t), related to the mass function of the distribution [...]
arXiv:1607.08358.- 2016 - 16 p. - Published in : General Relativity and Gravitation, 48(6), 1-16,(2016) External link: Preprint

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2016-07-29
08:28
Large-scale deformed quasiparticle random-phase approximation calculations of the $\gamma$-ray strength function using the Gogny force / Martini, M ; Péru, S ; Hilaire, S ; Goriely, S ; Lechaftois, F
Valuable theoretical predictions of nuclear dipole excitations in the whole chart are of great interest for different nuclear applications, including in particular nuclear astrophysics. Here we present large-scale calculations of the $E1$ $\gamma$-ray strength function obtained in the framework of the axially-symmetric deformed QRPA based on the finite-range Gogny force. [...]
arXiv:1607.08483.- 2016 - Published in : Phys.Rev. C 9 (2016) 4 External link: Preprint

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2016-07-28
07:40
Boron-Doped Graphene As Active Electrocatalyst For Oxygen Reduction Reaction At A Fuel-Cell Cathode / Fazio, Gianluca ; Ferrighi, Lara ; Di Valentin, Cristiana
Boron-doped graphene was reported to be the best non-metal doped graphene electrocatalyst for the oxygen reduction reaction (ORR) working at an onset potential of 0.035 V [JACS 136 (2014) 4394]. In the present DFT study, intermediates and transition structures along the possible reaction pathways are determined. [...]
arXiv:1607.08180.- 2016 - Published in : Journal of Catalysis 318 (2014) 0 External link: Preprint

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2016-07-28
07:40
Stochastic cycle selection in active flow networks / Woodhouse, Francis G ; Forrow, Aden ; Fawcett, Joanna B ; Dunkel, Jörn
Active biological flow networks pervade nature and span a wide range of scales, from arterial blood vessels and bronchial mucus transport in humans to bacterial flow through porous media or plasmodial shuttle streaming in slime molds. Despite their ubiquity, little is known about the self-organization principles that govern flow statistics in such non-equilibrium networks. [...]
arXiv:1607.08015.- 2016 - 7 p. - Published in : Proc. Natl. Acad. Sci. U.S.A. 113 (29), 8200-8205 (2016) External link: Preprint

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2016-07-28
07:40
Intermittency measurement in two dimensional bacterial turbulence / Qiu, Xiang ; Ding, Long ; Huang, Yongxiang ; Chen, Ming ; Lu, Zhiming ; Liu, Yulu ; Zhou, Quan
In this paper, an experimental velocity database of a bacterial collective motion , e.g., \textit{B. subtilis}, in turbulent phase with volume filling fraction $84\%$ provided by Professor Goldstein at the Cambridge University UK, was analyzed to emphasize the scaling behavior of this active turbulence system. [...]
arXiv:1607.07940.- 2016 - 23 p. - Published in : Phys. Rev. E 93 (2016) 062226 External link: Preprint

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2016-07-28
07:37
Evolving Horava Cosmological Horizons / Fathi, Mohsen ; Mohseni, Morteza
Several sets of radially propagating null congruence generators are exploited in order to form 3-dimensional marginally trapped surfaces, referred to as black hole and cosmological apparent horizons in a Horava universe. Based on this method, we deal with the characteristics of the 2-dimensional space-like spheres of symmetry and the peculiarities of having trapping horizons. [...]
arXiv:1607.08113.- 2016 - 13 p. - Published in : Chin. Phys. C 40, 9, 095101 (2016) External link: Preprint

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2016-07-28
07:37
Gravitational collapse in f(R) gravity for a spherically symmetric spacetime admitting a homothetic Killing vector / Chakrabarti, Soumya ; Banerjee, Narayan
The gravitational collapse of a spherical distribution, in a class of f(R) theories of gravity, where f(R) is power function of R, is discussed. The spacetime is assumed to admit a homothetic Killing vector. [...]
arXiv:1607.08034.- 2016 - 11 p. - Published in : Eur. Phys. J. Plus (2016) 131: 144 External link: Preprint

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2016-07-28
07:34
Realistic Detectability of Close Interstellar Comets / Cook, Nathaniel V ; Ragozzine, Darin ; Granvik, Mikael ; Stephens, Denise C
During the planet formation process, billions of comets are created and ejected into interstellar space. The detection and characterization of such interstellar comets (also known as extra-solar planetesimals or extra-solar comets) would give us in situ information about the efficiency and properties of planet formation throughout the galaxy. [...]
arXiv:1607.08162.- 2016 - 18 p. - Published in : Astrophys. J. 825 (2016) 1 External link: Preprint

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