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15 research outcomes, page 1 of 2
  • publication . Article . Other literature type . Preprint . 2015
    Open Access English
    Authors:
    Layne C. Price; Layne C. Price; Richard Easther; Hiranya V. Peiris; Jonathan Frazer; Jonathan Frazer;
    Publisher: IOP
    Project: EC | STRINGFLATION (647995), NSF | Programs on Critical Prob... (1066293), EC | COSMICDAWN (306478)

    Even simple inflationary scenarios have many free parameters. Beyond the variables appearing in the inflationary action, these include dynamical initial conditions, the number of fields, and couplings to other sectors. These quantities are often ignored but cosmological...

  • publication . Article . Preprint . Other literature type . 2014
    Open Access English
    Authors:
    Anthony Aguirre; Matthew C. Johnson; Matthew C. Johnson; Hiranya V. Peiris; Carroll L. Wainwright;
    Publisher: Institute of Physics Publishing/SISSA
    Project: EC | COSMICDAWN (306478)

    Comment: 35 pages, 17 figures

  • publication . Preprint . Article . 2013
    Open Access English
    Authors:
    Richard Easther; Richard Easther; Hiranya V. Peiris; Hiranya V. Peiris; Raphael Flauger; Raphael Flauger; Raphael Flauger;
    Project: NSF | CAREER: Strings on the Ho... (0645435), NSF | Probing Fundamental Physi... (0855425), EC | COSMICDAWN (306478)

    We use cosmic microwave background (CMB) data from the 9-year WMAP release to derive constraints on monodromy inflation, which is characterized by a linear inflaton potential with a periodic modulation. We identify two possible periodic modulations that significantly im...

  • publication . Preprint . Article . 2016
    Open Access English
    Authors:
    Hiranya V. Peiris; Carroll L. Wainwright; Matthew C. Johnson; Matthew C. Johnson; Anthony Aguirre;
    Project: NSF | Programs on Critical Prob... (1066293), EC | COSMICDAWN (306478)

    Comment: 31 pages, 17 figures. Revised to match published version. Minor clarifications, conclusions unchanged

  • publication . Article . Other literature type . Preprint . 2013
    Open Access English
    Authors:
    Hiranya V. Peiris; Licia Verde; Licia Verde; Stephen M. Feeney;
    Publisher: Institute of Physics (IOP)
    Project: EC | PHYS.LSS (240117), EC | COSMICDAWN (306478)

    Comment: 17 pages, 7 figures. v3: replaced with version published in JCAP (typo fixes, including Figure 1 units)

  • publication . Article . Preprint . 2018
    Open Access
    Authors:
    Andreu Font-Ribera; Licia Verde; Keir K. Rogers; Andrew Pontzen; Hiranya V. Peiris; Simeon Bird; Simeon Bird;
    Publisher: IOP Publishing
    Project: RCUK | UCL Astrophysics Consolid... (ST/R000476/1), EC | BePreSysE (725327), NSF | New Cosmological Constrai... (1817256), EC | COSMICDAWN (306478)

    Comment: 28 pages, 10 figures, accepted to JCAP with minor changes

  • publication . Article . Preprint . 2017
    Open Access English
    Authors:
    Susan Pyne; Hiranya V. Peiris; Benjamin Joachimi;
    Publisher: IOP PUBLISHING LTD
    Project: EC | COSMICDAWN (306478)

    Weak gravitational lensing alters the apparent separations between observed sources, potentially affecting clustering statistics. We derive a general expression for the lensing deflection which is valid for any three-point statistic, and investigate its effect on the th...

  • publication . Article . Preprint . Other literature type . 2015
    Open Access English
    Authors:
    Jonathan Braden; Jonathan Braden; J. Richard Bond; Laura Mersini-Houghton;
    Project: NSERC , EC | COSMICDAWN (306478)

    We study collisions between nearly planar domain walls including the effects of small initial nonplanar fluctuations. These perturbations represent the small fluctuations that must exist in a quantum treatment of the problem. In a previous paper, we demonstrated that at...

  • publication . Article . Preprint . Other literature type . 2014
    Open Access
    Authors:
    J. González-Nuevo; Anna Bonaldi; Créidhe O'Sullivan; Pedro G. Ferreira; Sabino Matarrese; Mathieu Remazeilles; Enrique Martínez-González; Sergio Colafrancesco; F. J. Casas; Viviana Casasola; ...
    Project: EC | RADIOFOREGROUNDS (307209), EC | COSMICDAWN (306478), SNSF | Constraining cosmological... (200020_149195)

    PRISM (Polarized Radiation Imaging and Spectroscopy Mission) was proposed to ESA in May 2013 as a large-class mission for investigating within the framework of the ESA Cosmic Vision program a set of important scientific questions that require high resolution, high sensi...

  • publication . Article . Preprint . Other literature type . 2013
    Open Access English
    Authors:
    Hiranya V. Peiris; Hiranya V. Peiris; Daniel J. Mortlock; Stephen M. Feeney; Licia Verde; Licia Verde;
    Project: EC | PHYS.LSS (240117), EC | COSMICDAWN (306478)

    Comment: 16 pages, 2 figures, small changes to match journal accepted version

15 research outcomes, page 1 of 2