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5 research outcomes, page 1 of 1
  • publication . Preprint . Article . 2019
    Open Access English
    Authors:
    Raghunathan, S.; Patil, S.; Baxter, E.; Benson, B. A.; Bleem, L. E.; Crawford, T. M.; Holder, G. P.; McClintock, T.; Reichardt, C. L.; Varga, T. N.; ...
    Persistent Identifiers
    Countries: United States, United Kingdom
    Project: EC | COGS (240672), NSF | Exploring the Time-Varyin... (1716965), EC | COSMICDAWN (306478), EC | TESTDE (291329), NSF | Collaborative Research: E... (1835865), NSF | Collaborative Research: T... (1138766), NSF | Cosmological Research wit... (1248097), NSF | Physics Frontier Center a... (1125897), ARC | Discovery Projects - Gran... (DP150103208)

    We report the first detection of gravitational lensing due to galaxy clusters using only the polarization of the cosmic microwave background (CMB). The lensing signal is obtained using a new estimator that extracts the lensing dipole signature from stacked images formed...

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  • publication . Article . Preprint . 2018
    Open Access English
    Authors:
    Braden, Jonathan; Johnson, Matthew C.; Peiris, Hiranya V.; Weinfurtner, Silke;
    Persistent Identifiers
    Publisher: Springer
    Country: United Kingdom
    Project: NSF | Programs on Critical Prob... (1066293), EC | COSMICDAWN (306478)

    Analog condensed matter systems present an exciting opportunity to simulate early Universe models in table-top experiments. We consider a recent proposal for an analog condensed matter experiment to simulate the relativistic quantum decay of the false vacuum. In the pro...

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  • publication . Article . Preprint . 2019
    Open Access English
    Authors:
    Braden, Jonathan; Johnson, Matthew C.; Peiris, Hiranya V.; Pontzen, Andrew; Weinfurtner, Silke;
    Persistent Identifiers
    Publisher: APS
    Project: UKRI | 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...

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  • publication . Article . Preprint . 2019
    Open Access
    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: American Physical Society (APS)
    Countries: France, France, United Kingdom, Denmark, Brazil, France, France, France, United States
    Project: EC | COSMICDAWN (306478), NSF | Collaborative Research: T... (1138766), EC | COGS (240672), EC | TESTDE (291329)

    The combination of multiple observational probes has long been advocated as a powerful technique to constrain cosmological parameters, in particular dark energy. The Dark Energy Survey has measured 207 spectroscopically--confirmed Type Ia supernova lightcurves; the bary...

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  • publication . Preprint . Article . 2019
    Open Access
    Authors:
    Feeney, Stephen M.; Peiris, Hiranya V.; Williamson, Andrew R.; Nissanke, Samaya M.; Mortlock, Daniel J.; Alsing, Justin; Scolnic, Dan;
    Persistent Identifiers
    Countries: Netherlands, United Kingdom
    Project: EC | COSMICDAWN (306478)

    The Hubble constant ($H_0$) estimated from the local Cepheid-supernova (SN) distance ladder is in 3-$\sigma$ tension with the value extrapolated from cosmic microwave background (CMB) data assuming the standard cosmological model. Whether this tension represents new phy...

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5 research outcomes, page 1 of 1