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120 research outcomes, page 1 of 12
  • publication . Article . Preprint . 2015
    Open Access English
    Authors:
    Jonathan Frazer; Layne C. Price; Richard Easther;
    Publisher: IOP PUBLISHING LTD
    Project: NSF | Programs on Critical Prob... (1066293), EC | COSMICDAWN (306478)

    We present MultiModeCode, a Fortran 95/2000 package for the numerical exploration of multifield inflation models. This program facilitates efficient Monte Carlo sampling of prior probabilities for inflationary model parameters and initial conditions and is the first pub...

  • publication . Preprint . 2018
    Open Access English
    Authors:
    Braden, Jonathan; Johnson, Matthew C.; Peiris, Hiranya V.; Pontzen, Andrew; Weinfurtner, Silke;
    Project: RCUK | Black Hole Superradiance ... (EP/P00637X/1), EC | COSMICDAWN (306478)

    We introduce a new picture of vacuum decay which, in contrast to existing semiclassical techniques, provides a real-time description and does not rely on classically-forbidden tunneling paths. Using lattice simulations, we observe vacuum decay via bubble formation by ge...

  • publication . Article . Preprint . 2014
    Open Access
    Authors:
    Stephen Feeney; Domenico Marinucci; Benjamin WANDELT;
    Publisher: IOP Publishing
    Project: EC | PASCAL (277742), EC | COSMICDAWN (306478)

    Comment: 18 pages, 6 figures. v3: matches version published in JCAP; formatting changes and single typo correction only. Code available from http://zuserver2.star.ucl.ac.uk/~smf/code.html

  • publication . Article . Preprint . 2020
    Open Access English
    Authors:
    M Pursiainen; C P Gutiérrez; P Wiseman; M Childress; M Smith; C Frohmaier; C Angus; N Castro Segura; L Kelsey; M Sullivan; ...
    Publisher: Oxford University Press
    Project: EC | SPCND (615929), NSF | Collaborative Research: T... (1138766), RCUK | Astrophysics at Southampt... (ST/R000506/1), EC | SNDTD (839090), EC | TESTDE (291329), EC | COGS (240672), EC | COSMICDAWN (306478)

    We present an analysis of DES17X1boj and DES16E2bjy, two peculiar transients discovered by the Dark Energy Survey (DES). They exhibit nearly identical double-peaked light curves which reach very different maximum luminosities (M$_\mathrm{r}$ = -15.4 and M$_\mathrm{r}$ =...

  • publication . Article . Preprint . 2016
    Open Access
    Authors:
    Aurelio Carnero Rosell; Flavia Sobreira; David Gerdes; Matias Carrasco Kind; Emmanuel Bertin; Eric Suchyta; Ricardo Ogando; Daniel Thomas; Daniel Gruen; Elmer Luque; ...
    Publisher: OXFORD UNIV PRESS
    Project: NSF | Collaborative Research: T... (1138766), EC | TESTDE (291329), EC | COGS (240672), EC | COSMICDAWN (306478), EC | CLUSTERS (335936)

    Comment: 41 pages, 16 figures, 1 appendix

  • publication . Article . Preprint . 2017
    Open Access English
    Authors:
    Syed Uddin; Felipe Menanteau; Suk Sien null; Marcos Lima; Edward Macaulay; Emmanuel Bertin; Tamara Davis; Ignacio Sevilla Noarbe; Ricardo Ogando; Sophie Reed; ...
    Publisher: HAL CCSD
    Project: NSF | Collaborative Research: T... (1138766), EC | COGS (240672), EC | TESTDE (291329), EC | COSMICDAWN (306478)

    We present a study of quasar selection using the DES supernova fields. We used a quasar catalog from an overlapping portion of the SDSS Stripe 82 region to quantify the completeness and efficiency of selection methods involving color, probabilistic modeling, variability...

  • publication . Article . Other literature type . Research . Preprint . 2019
    Open Access English
    Authors:
    Aurelio Carnero Rosell; Carles Sánchez; Juan De Vicente; Santiago Avila; August E. Evrard; Enrique Gaztanaga; Chihway Chang; Jochen Weller; Nico Hamaus;
    Publisher: OXFORD UNIV PRESS
    Project: EC | COGS (240672), EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), EC | COSMICDAWN (306478)

    What are the mass and galaxy profiles of cosmic voids? In this paper we use two methods to extract voids in the Dark Energy Survey (DES) Year 1 redMaGiC galaxy sample to address this question. We use either 2D slices in projection, or the 3D distribution of galaxies bas...

  • publication . Preprint . 2020
    Open Access English
    Authors:
    Stopyra, Stephen; Pontzen, Andrew; Peiris, Hiranya; Roth, Nina; Rey, Martin;
    Project: EC | GMGalaxies (818085), EC | COSMICDAWN (306478)

    Comment: 20 pages, 7 figures, github repository: https://github.com/pynbody/genetIC

  • publication . Article . Preprint . 2015
    Open Access English
    Authors:
    Franz Elsner; Benjamin WANDELT;
    Publisher: HAL CCSD
    Project: NSF | Collaborative Research: S... (0908902), NSF | Programs on Critical Prob... (1066293), EC | COSMICDAWN (306478)

    We present a general method for accelerating by more than an order of magnitude the convolution of pixelated functions on the sphere with a radially-symmetric kernel. Our method splits the kernel into a compact real-space component and a compact spherical harmonic space...

  • publication . Preprint . Article . 2016
    Open Access English
    Authors:
    Daniel Mortlock; Boris Leistedt;
    Project: EC | COSMICDAWN (306478)

    Comment: 10 pages, matches version accepted in MNRAS, including new appendix describing the effect of Bayesian shrinkage in a simplified setting

120 research outcomes, page 1 of 12
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