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14 research outcomes, page 1 of 2
  • publication . Preprint . Other literature type . Article . 2014
    Open Access English
    Authors:
    Anthony Aguirre; Matthew C. Johnson; Matthew C. Johnson; Hiranya V. Peiris; Carroll L. Wainwright;
    Persistent Identifiers
    Project: EC | COSMICDAWN (306478)

    Comment: 35 pages, 17 figures

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  • publication . Article . Research . Other literature type . Preprint . 2018
    Open Access English
    Authors:
    Des, Collaboration; Abbott, T. M. C.; Alarcon, A.; Allam, S.; Andersen, P.; Andrade-Oliveira, F.; Annis, J.; Asorey, J.; Avelino, A.; Avila, S.; ...
    Publisher: HAL CCSD
    Project: EC | COGS (240672), EC | TESTDE (291329), EC | COSMICDAWN (306478), NSF | Collaborative Research: T... (1138766)

    Comment: 8 pages, 2 figures; v3 matches version accepted by PRL

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  • publication . Preprint . Other literature type . Article . 2019
    Open Access English
    Authors:
    Daniel J. Mortlock; Daniel J. Mortlock; Hiranya V. Peiris; Hiranya V. Peiris; Samaya Nissanke; Justin Alsing; Stephen M. Feeney; A. R. Williamson; Daniel Scolnic;
    Persistent Identifiers
    Project: EC | COSMICDAWN (306478)

    Comment: Eight pages, four figures. v3: matches version accepted by Physical Review Letters. Code available at https://github.com/sfeeney/hh0

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  • publication . Preprint . Article . 2014
    Open Access English
    Authors:
    Jonathan Frazer; Hiranya V. Peiris; Layne C. Price; Richard Easther;
    Persistent Identifiers
    Project: EC | COSMICDAWN (306478)

    We explore whether multifield inflationary models make unambiguous predictions for fundamental cosmological observables. Focusing on $N$-quadratic inflation, we numerically evaluate the full perturbation equations for models with 2, 3, and $\mathcal{O}(100)$ fields, usi...

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  • publication . Other literature type . Article . 2019
    Open Access
    Authors:
    Matthew C. Johnson; Hiranya V. Peiris; Jonathan Braden; Silke Weinfurtner; Andrew Pontzen;
    Persistent Identifiers
    Publisher: American Physical Society (APS)
    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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  • publication . Preprint . Article . 2016
    Open Access English
    Authors:
    Jason D. McEwen; Andrew Pontzen; Daniela Saadeh; Hiranya V. Peiris; Stephen M. Feeney;
    Persistent Identifiers
    Project: EC | COSMICDAWN (306478)

    A fundamental assumption in the standard model of cosmology is that the Universe is isotropic on large scales. Breaking this assumption leads to a set of solutions to Einstein's field equations, known as Bianchi cosmologies, only a subset of which have ever been tested ...

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

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

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  • publication . Article . Preprint . 2014
    Open Access English
    Authors:
    Nina Roth; Hiranya V. Peiris; Boris Leistedt;
    Persistent Identifiers
    Publisher: American Physical Society
    Project: EC | COSMICDAWN (306478)

    We derive robust constraints on primordial non-Gaussianity (PNG) using the clustering of 800,000 photometric quasars from the Sloan Digital Sky Survey in the redshift range $0.5<z<3.5$. These measurements rely on the novel technique of {\it extended mode projection} to ...

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  • publication . Article . Other literature type . Preprint . 2015
    Open Access
    Authors:
    Jonathan Braden; Jonathan Braden; J. Richard Bond; Laura Mersini-Houghton;
    Persistent Identifiers
    Publisher: IOP Publishing
    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...

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  • publication . Article . Research . Other literature type . Preprint . 2020
    Open Access English
    Authors:
    E. Bertin; Marcelle Soares-Santos; A. A. Plazas; V. Vikram; F. Sobreira; E. J. Sanchez; J. Annis; B. Flaugher; Ting Li; D. L. Burke; ...
    Project: EC | COSMICDAWN (306478), EC | TESTDE (291329), NSF | Collaborative Research: T... (1138766), EC | COGS (240672)

    Peer reviewed

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14 research outcomes, page 1 of 2