# Preprints

2015-12-01
11:15
 Monte Carlo simulations and benchmark studies at CERN's accelerator chain / De Carvalho Saraiva, Joao Pedro (Universite Paul Sabatier (FR)) ; Brugger, Markus (CERN) Mixed particle and energy radiation fields present at the Large Hadron Collider (LHC) and its accelerator chain are responsible for failures on electronic devices located in the vicinity of the accelerator beam lines. [...] CERN-ACC-2015-0146. - 2015. - 7 p. Full text

2015-12-01
07:42
 Two Universality Properties Associated with the Monkey Model of Zipf's Law / Perline, Richard ; Perline, Ronald The distribution of word probabilities in the monkey model of Zipf's law is associated with two universality properties: (1) the power law exponent converges strongly to $-1$ as the alphabet size increases and the letter probabilities are specified as the spacings from a random division of the unit interval for any distribution with a bounded density function on $[0,1]$; and (2), on a logarithmic scale the version of the model with a finite word length cutoff and unequal letter probabilities is approximately normally distributed in the part of the distribution away from the tails. [...] arXiv:1511.09449. - 2015. - 14 p. Preprint

2015-12-01
07:42
 Enhancement of single-photon transistor by Stark-tuned F\"orster resonances / Gorniaczyk, H ; Tresp, C ; Bienias, P ; Paris-Mandoki, A ; Li, W ; Mirgorodskiy, I ; Büchler, H P ; Lesanovsky, I ; Hofferberth, S We investigate the use of Stark-tuned F\"orster resonances to improve the efficiency of Rydberg-mediated single-photon transistors and the non-destructive detection of single Rydberg atoms. [...] arXiv:1511.09445. - 2015. - 6 p. Preprint

2015-12-01
07:42
 Photoinduced tunability of the Reststrahlen band in 4H-SiC / Spann, Bryan T ; Compton, Ryan ; Ratchford, Daniel ; Long, James P ; Dunkelberger, Adam D ; Klein, Paul B ; Giles, Alexander J ; Caldwell, Joshua D ; Owrutsky, Jeffrey C Materials with a negative dielectric permittivity (e.g. [...] arXiv:1511.09428. - 2015. Preprint

2015-12-01
07:42
 Direct cooling of polar molecules to sub-millikelvin temperatures / Prehn, Alexander ; Ibrügger, Martin ; Glöckner, Rosa ; Rempe, Gerhard ; Zeppenfeld, Martin We demonstrate direct cooling of gaseous formaldehyde (H2CO) to the microkelvin regime. [...] arXiv:1511.09427. - 2015. Preprint

2015-12-01
07:42
 Study of the radiological doses and hazard indices in soil samples from Karbala city, Iraq / Al-Kaabi, Mohammed Abdulhussain ; Al-Shimary, Ahmed The radiological doses and hazard indices of natural radionuclides $^{238}$U,$^{232}$Th and $^{40}$K in soil samples from Kerbala city were evaluated using gamma-ray spectroscopy system using NaI(Tl) ${"1.5\times 2"}$ detector in low-background with 24 hour. [...] arXiv:1511.09417. - 2015. - 9 p. Preprint

2015-12-01
07:42
 A Simple Hubbard Model for the Excited States of $\pi$ Conjugated -acene Molecules / Sadeq, Z S ; Sipe, J E In this paper we present a model that elucidates in a simple way the electronic excited states of $\pi$ conjugated -acene molecules such as tetracene, pentacene, and hexacene. [...] arXiv:1511.09396. - 2015. Preprint

2015-12-01
07:42
 Droplet impact on a thin liquid film: anatomy of the splash / Josserand, Christophe ; Ray, Pascal ; Zaleski, Stéphane We investigate the dynamics of drop impact on a thin liquid film at short times in order to identify the mechanisms of splashing formation. [...] arXiv:1511.09395. - 2015. Preprint

2015-12-01
07:42
 Thermoelectricity in confined liquid electrolytes / Dietzel, Mathias ; Hardt, Steffen The electric field in an extended phase of a liquid electrolyte exposed to a temperature gradient is attributed to different thermophoretic mobilities of the ion species. [...] arXiv:1511.09386. - 2015. - 5 p. Preprint

2015-12-01
07:42
 Gate-tunable conducting oxide metasurfaces / Huang, Yao-Wei ; Lee, Ho Wai Howard ; Sokhoyan, Ruzan ; Pala, Ragip ; Thyagarajan, Krishnan ; Han, Seunghoon ; Tsai, Din Ping ; Atwater, Harry A Metasurfaces composed of planar arrays of sub-wavelength artificial structures show promise for extraordinary light manipulation; they have yielded novel ultrathin optical components such as flat lenses, wave plates, holographic surfaces and orbital angular momentum manipulation and detection over a broad range of electromagnetic spectrum. [...] arXiv:1511.09380. - 2015. - 13 p. Preprint

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