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7 research outcomes, page 1 of 1
  • publication . Article . Preprint . 2014
    Open Access English
    Authors:
    Wainwright, Carroll L.; Johnson, Matthew C.; Aguirre, Anthony; Peiris, Hiranya V.;
    Publisher: Institute of Physics Publishing/SISSA
    Project: EC | COSMICDAWN (306478)

    Comment: 35 pages, 17 figures

  • publication . Article . Preprint . 2014
    Open Access English
    Authors:
    Wainwright, Carroll L.; Johnson, Matthew C.; Peiris, Hiranya V.; Aguirre, Anthony; Lehner, Luis; Liebling, Steven L.;
    Publisher: Institute of Physics Publishing/SISSA
    Project: NSF | Collaborative Research: D... (0969827), EC | COSMICDAWN (306478), NSF | Collaborative Research: L... (1308621), NSERC

    Comment: 52 pages, 23 figures. A four page summary of methods and results follows the introduction. Version 2 contains minor clarifications and edits to match the version accepted for publication by JCAP. Version 3 fixes a typo in Eq. 3.10 and a typo in the paragraph af...

  • publication . Article . 2014
    Open Access
    Authors:
    Carroll L. Wainwright; Matthew C. Johnson; Hiranya V. Peiris; Anthony Aguirre; Luis Lehner; Steven L. Liebling;
    Persistent Identifiers
    Publisher: IOP Publishing
    Project: EC | COSMICDAWN (306478), NSERC , NSF | Collaborative Research: D... (0969827), NSF | Collaborative Research: L... (1308621)

    The theory of eternal inflation in an inflaton potential with multiple vacua predicts that our universe is one of many bubble universes nucleating and growing inside an ever-expanding false vacuum. The collision of our bubble with another could provide an important obse...

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  • publication . Article . 2014
    Open Access
    Authors:
    Stephen M. Feeney; Domenico Marinucci; Jason D. McEwen; Hiranya V. Peiris; Benjamin D. Wandelt; Valentina Cammarota;
    Persistent Identifiers
    Publisher: IOP Publishing
    Project: EC | COSMICDAWN (306478), ANR | SUPER (ANR-11-IDEX-0004), EC | PASCAL (277742)

    Sparse inpainting techniques are gaining in popularity as a tool for cosmological data analysis, in particular for handling data which present masked regions and missing observations. We investigate here the relationship between sparse inpainting techniques using the sp...

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

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

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

    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...

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  • publication . Article . 2019
    Open Access English
    Authors:
    Jonathan Braden; Matthew C. Johnson; Hiranya V. Peiris; Andrew Pontzen; Silke Weinfurtner;
    Persistent Identifiers
    Publisher: AMER PHYSICAL SOC
    Project: 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...

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7 research outcomes, page 1 of 1