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Πρόσφατες προσθήκες:
2015-08-03
07:40
A chiral rhenium complex with predicted high parity violation effects: synthesis, stereochemical characterization by VCD spectroscopy and quantum chemical calculations / Saleh, Nidal ; Zrig, Samia ; Roisnel, Thierry ; Guy, Laure ; Bast, Radovan ; Saue, Trond ; Darquié, Benoît ; Crassous, Jeanne
With their rich electronic, vibrational, rotational and hyperfine structure, molecular systems have the potential to play a decisive role in precision tests of fundamental physics. For example, electroweak nuclear interactions should cause small energy differences between the two enantiomers of chiral molecules, a signature of parity symmetry breaking. [...]
arXiv:1507.08900.- 2015 - 9 p. - Published in : Phys. Chem. Chem. Phys. 15 (2013) 9 External link: Preprint

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2015-08-03
07:40
Physics and Applications of Laser Diode Chaos / Sciamanna, Marc ; Shore, K Alan
An overview of chaos in laser diodes is provided which surveys experimental achievements in the area and explains the theory behind the phenomenon. The fundamental physics underpinning this behaviour and also the opportunities for harnessing laser diode chaos for potential applications are discussed. [...]
arXiv:1507.08825.- 2015 - Published in : Nature Photonics 9 (2015) 151-162 External link: Preprint

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2015-08-03
07:40
Three-photon coherence in a ladder-type atomic system / Noh, Heung-Ryoul ; Moon, Han Seb
We present a theoretical study of three-photon electromagnetically induced absorption for a ladder-type three-level atomic system. A probe beam was tuned to the lower line and two counter-propagating, linearly polarized coupling beams were tuned to the upper line. [...]
arXiv:1507.08791.- 2015 - Published in : Phys. Rev. A 92 (2015) 013807 External link: Preprint

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2015-08-03
07:40
Can compressed sensing beat the Nyquist sampling rate? / Yaroslavsky, L
Data saving capability of "Compressed sensing (sampling)" in signal discretization is disputed and found to be far below the theoretical upper bound defined by the signal sparsity. On a simple and intuitive example, it is demonstrated that, in a realistic scenario for signals that are believed to be sparse, one can achieve a substantially larger saving than compressing sensing can. [...]
arXiv:1507.08781.- 2015 External link: Preprint

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2015-08-03
07:40
Simulating Thin Sheets: Buckling, Wrinkling, Folding and Growth / Vetter, Roman ; Stoop, Norbert ; Wittel, Falk K ; Herrmann, Hans J
Numerical simulations of thin sheets undergoing large deformations are computationally challenging. Depending on the scenario, they may spontaneously buckle, wrinkle, fold, or crumple. [...]
arXiv:1507.08758.- 2015 - 9 p. - Published in : Conf. Ser. 487 (2014) 012012 External link: Preprint

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2015-08-03
07:38
Confirmation of the OGLE-2005-BLG-169 planet signature and characteristics with lens-source proper motion detection / Batista, V ; Beaulieu, J -P ; Bennett, D P ; Gould, A ; Marquette, J -B ; Fukui, A ; Bhattacharya, A
We present Keck NIRC2 high angular resolution adaptive optics observations of the microlensing event OGLE-2005-BLG-169, taken 8.21 years after the discovery of this planetary system. For the first time for a microlensing planetary event, the source and the lens are completely resolved, providing a precise measurement of their heliocentric relative proper motion, $\mu_{\rm{rel},\rm{helio}}=7.44 \pm 0.17$ mas yr$^{-1}$. [...]
arXiv:1507.08914.- 2015 - 9 p. - Published in : Astrophys. J. 808 (2015) 170 External link: Preprint

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2015-08-03
07:38
Host Galaxy Properties and Black Hole Mass of Swift J164449.3+573451 from Multi-Wavelength Long-Term Monitoring and HST Data / Yoon, Yongmin ; Im, Myungshin ; Jeon, Yiseul ; Lee, Seong-Kook ; Choi, Philip ; Gehrels, Neil ; Pak, Soojong ; Sakamoto, Takanori ; Urata, Yuji
We study the host galaxy properties of the tidal disruption object, Swift J164449.3+573451 using long-term optical to near-infrared (NIR) data. First, we decompose the galaxy surface brightness distribution and analyze the morphology of the host galaxy using high resolution \emph{HST} WFC3 images. [...]
arXiv:1507.08843.- 2015 - 12 p. - Published in : The Astrophysical Journal, 808:96 (11pp), 2015 July 20 External link: Preprint

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2015-08-03
07:38
Magnetospherically driven optical and radio aurorae at the end of the stellar main sequence / Hallinan, G ; Littlefair, S P ; Cotter, G ; Bourke, S ; Harding, L K ; Pineda, J S ; Butler, R P ; Golden, A ; Basri, G ; Doyle, J G et al.
Aurorae are detected from all the magnetized planets in our Solar System, including Earth. They are powered by magnetospheric current systems that lead to the precipitation of energetic electrons into the high-latitude regions of the upper atmosphere. [...]
arXiv:1507.08739.- 2015 - 27 p. - Published in : Nature 523 (2015) 568-571 External link: Preprint

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2015-08-03
07:38
One-point statistics of the Lagrangian displacement field / Leclercq, Florent ; Jasche, Jens ; Wandelt, Benjamin
This document is an addendum to "One-point remapping of Lagrangian perturbation theory in the mildly non-linear regime of cosmic structure formation" (arXiv:1305.4642)..
arXiv:1507.08664.- 2015 - 4 p. - Published in : J. Cosmol. Astropart. Phys. 04 (2015) 026 External link: Preprint

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2015-08-03
07:38
Confirmation of the Planetary Microlensing Signal and Star and Planet Mass Determinations for Event OGLE-2005-BLG-169 / Bennett, D P ; Bhattacharya, A ; Anderson, J ; Bond, I A ; Anderson, N ; Barry, R ; Batista, V ; Beaulieu, J -P ; DePoy, D L ; Dong, Subo et al.
We present Hubble Space Telescope (HST) Wide Field Camera 3 (WFC3) observations of the source and lens stars for planetary microlensing event OGLE-2005-BLG-169, which confirm the relative proper motion prediction due to the planetary light curve signal observed for this event. This (and the companion Keck result) provide the first confirmation of a planetary microlensing signal, for which the deviation was only 2%. [...]
arXiv:1507.08661.- 2015 - 21 p. External link: Preprint

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