Massively Parallel Computation of Accurate Densities for N-body Dark Matter Simulations using the Phase-Space-Element Method

Posted by klaurent Stanford

Kavli Affiliate: Ralf Kaehler | First 5 Authors: Ralf Kaehler, , , , | Summary: This paper presents an accurate density computation approach for large dark matter simulations, based on a recently introduced phase-space tessellation technique and designed for massively parallel, heterogeneous cluster architectures. We discuss a memory efficient construction of an oct-tree structure to […]


Continue.. Massively Parallel Computation of Accurate Densities for N-body Dark Matter Simulations using the Phase-Space-Element Method

Imbibition triggered by capillary condensation in nanopores

Posted by klaurent Cornell

Kavli Affiliate: Abraham Stroock | First 5 Authors: Olivier Vincent, Bastien Marguet, Abraham Stroock, , | Summary: We study the spatio-temporal dynamics of water uptake by capillary condensation from unsaturated vapor in mesoporous silicon layers (pore radius $r_mathrm{p} simeq 2$ nm), taking advantage of the local changes in optical reflectance as a function of water […]


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A pair of Calabi-Yau manifolds from a two parameter non-Abelian gauged linear sigma model

Posted by klaurent Tokyo

Kavli Affiliate: Kentaro Hori | First 5 Authors: Kentaro Hori, Johanna Knapp, , , | Summary: We construct and study a two parameter gauged linear sigma model with gauge group $(U(1)^2times O(2))/{mathbb Z}_2$ that has a dual model with gauge group $(U(1)^2times SO(4))/{mathbb Z}_2$. The model has two geometric phases, three hybrid phases and one […]


Continue.. A pair of Calabi-Yau manifolds from a two parameter non-Abelian gauged linear sigma model

Hyper-Selective Plasmonic Color Filters

Posted by klaurent Caltech

Kavli Affiliate: Harry Atwater | First 5 Authors: Dagny Fleischman, Luke Sweatlock, Hirotaka Murakami, Harry Atwater, | Summary: The subwavelength mode volumes of plasmonic filters are well matched to the small size of state-of-the-art active pixels (~ 1 {mu}m) in CMOS image sensor arrays used in portable electronic devices. Typical plasmonic filters exhibit broad (> […]


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Wavelet-Based Characterization of Small-Scale Solar Emission Features at Low Radio Frequencies

Posted by dbos MIT

Kavli Affiliate: Robert Goeke | First 5 Authors: Akshay Suresh, Rohit Sharma, Divya Oberoi, Srijan B. Das, Victor Pankratius | Summary: Low radio frequency solar observations using the Murchison Widefield Array have recently revealed the presence of numerous weak, short-lived and narrow-band emission features, even during moderately quiet solar conditions. These non-thermal features occur at […]


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Coherent transport properties of a three-terminal hybrid superconducting interferometer

Posted by klaurent Delft

Kavli Affiliate: Yu V. Nazarov | First 5 Authors: F. Vischi, M. Carrega, E. Strambini, S. D’Ambrosio, F. S. Bergeret | Summary: We present an exhaustive theoretical analysis of a double-loop Josephson proximity interferometer, as the one recently realized by Strambini et al. for the control of the Andreev spectrum via an external magnetic field. […]


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InSb Nanowires with Built-In GaxIn1-xSb Tunnel Barriers for Majorana Devices

Posted by klaurent Delft

Kavli Affiliate: Michael T. Wimmer | First 5 Authors: Diana Car, Sonia Conesa-Boj, Hao Zhang, Roy L. M. Op het Veld, Michiel W. A. de Moor | Summary: Majorana zero modes (MZMs), prime candidates for topological quantum bits, are detected as zero bias conductance peaks (ZBPs) in tunneling spectroscopy measurements. Implementation of a narrow and […]


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SuperCDMS SNOLAB Low-Mass Detectors: Ultra-Sensitive Phonon Calorimeters for a Sub-GeV Dark Matter Search

Posted by klaurent Stanford

Kavli Affiliate: Paul Brink | First 5 Authors: Noah Kurinsky, Paul Brink, Richard Partridge, Blas Cabrera, Matt Pyle | Summary: We present the technical design for the SuperCDMS high-voltage, low-mass dark matter detectors, designed to be sensitive to dark matter down to 300 MeV/$c^2$ in mass and resolve individual electron-hole pairs from low-energy scattering events […]


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Red nuggets grow inside-out: evidence from gravitational lensing

Posted by klaurent Stanford

Kavli Affiliate: Philip Marshall | First 5 Authors: Lindsay Oldham, Matt Auger, Chris Fassnacht, Tommaso Treu, Brendon J. Brewer | Summary: We present a new sample of strong gravitational lens systems where both the foreground lenses and background sources are early-type galaxies. Using imaging from HST/ACS and Keck/NIRC2, we model the surface brightness distributions and […]


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GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey I: A low-frequency extragalactic catalogue

Posted by klaurent MIT

Kavli Affiliate: Edward Morgan | First 5 Authors: Natasha Hurley-Walker, Joseph R. Callingham, Paul J. Hancock, Thomas M. O. Franzen, Luke Hindson | Summary: Using the Murchison Widefield Array (MWA), the low-frequency Square Kilometre Array (SKA1 LOW) precursor located in Western Australia, we have completed the GaLactic and Extragalactic All-sky MWA (GLEAM) survey, and present […]


Continue.. GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey I: A low-frequency extragalactic catalogue