Search Results - "Mirbabayi, Mehrdad"

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  1. 1

    An observer’s measure of de Sitter entropy by Mirbabayi, Mehrdad

    Published in The journal of high energy physics (09-10-2024)
    “…A bstract The two-point correlation function of a massive field ⟨ χ ( τ ) χ (0)⟩, measured along an observer’s worldline in de Sitter (dS), decays…”
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    Journal Article
  2. 2

    Uptunneling to de Sitter by Mirbabayi, Mehrdad

    Published in The journal of high energy physics (01-09-2020)
    “…A bstract We propose a Euclidean preparation of an asymptotically AdS 2 spacetime that contains an inflating dS 2 bubble. The setup can be embedded in a four…”
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  3. 3

    Low-temperature entropy in JT gravity by Janssen, Oliver, Mirbabayi, Mehrdad

    Published in The journal of high energy physics (01-06-2021)
    “…A bstract For ensembles of Hamiltonians that fall under the Dyson classification of random matrices with β ∈ {1, 2, 4}, the low-temperature mean entropy can be…”
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  4. 4

    Probing de Sitter from the horizon by Mirbabayi, Mehrdad, Riccardi, Flavio

    Published in The journal of high energy physics (12-04-2023)
    “…A bstract In a QFT on de Sitter background, one can study correlators between fields pushed to the future and past horizons of a comoving observer. This is a…”
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  5. 5

    Gravity as an ensemble and the moment problem by Janssen, Oliver, Mirbabayi, Mehrdad, Zograf, Peter

    Published in The journal of high energy physics (01-06-2021)
    “…A bstract If a bulk gravitational path integral can be identified with an average of partition functions over an ensemble of boundary quantum theories, then a…”
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  6. 6

    Asymptotic fragility, near AdS2 holography and T T ¯ $$ T\overline{T} by Dubovsky, Sergei, Gorbenko, Victor, Mirbabayi, Mehrdad

    Published in The journal of high energy physics (01-09-2017)
    “…Abstract We present the exact solution for the scattering problem in the flat space Jackiw-Teitelboim (JT) gravity coupled to an arbitrary quantum field…”
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  7. 7

    RADIO EMISSION FROM RED-GIANT HOT JUPITERS by Fujii, Yuka, Spiegel, David S., Mroczkowski, Tony, Nordhaus, Jason, Zimmerman, Neil T., Parsons, Aaron R., Mirbabayi, Mehrdad, Madhusudhan, Nikku

    Published in The Astrophysical journal (01-04-2016)
    “…ABSTRACT When planet-hosting stars evolve off the main sequence and go through the red-giant branch, the stars become orders of magnitudes more luminous and,…”
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  8. 8

    Dressed Hard States and Black Hole Soft Hair by Mirbabayi, Mehrdad, Porrati, Massimo

    Published in Physical review letters (18-11-2016)
    “…A recent, intriguing Letter by Hawking, Perry, and Strominger suggests that soft photons and gravitons can be regarded as black hole hair and may be relevant…”
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  9. 9

    Proof of ghost freedom in de Rham-Gabadadze-Tolley massive gravity by Mirbabayi, Mehrdad

    “…We identify different helicity degrees of freedom of Fierz-Paulian massive gravity around generic backgrounds. We show that the two-parameter family proposed…”
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  10. 10

    Asymptotic fragility, near AdS2 holography and TT by Dubovsky, Sergei, Gorbenko, Victor, Mirbabayi, Mehrdad

    Published in The journal of high energy physics (27-09-2017)
    “…A bstract We present the exact solution for the scattering problem in the flat space Jackiw-Teitelboim (JT) gravity coupled to an arbitrary quantum field…”
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    Journal Article
  11. 11

    Natural tuning: towards a proof of concept by Dubovsky, Sergei, Gorbenko, Victor, Mirbabayi, Mehrdad

    Published in The journal of high energy physics (01-09-2013)
    “…A bstract The cosmological constant problem and the absence of new natural physics at the electroweak scale, if confirmed by the LHC, may either indicate that…”
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  12. 12

    Gravitational waves and the scale of inflation by Mirbabayi, Mehrdad, Senatore, Leonardo, Silverstein, Eva, Zaldarriaga, Matias

    “…We revisit alternative mechanisms of gravitational wave production during inflation and argue that they generically emit a non-negligible amount of scalar…”
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  13. 13

    A Lower Bound on Dark Matter Mass by Amin, Mustafa A, Mirbabayi, Mehrdad

    Published in Physical review letters (31-05-2024)
    “…We argue that there is a lower bound of order 10^{-19}  eV on dark matter mass if it is produced after inflation via a process with finite correlation length…”
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  14. 14

    Two component charged condensate in white dwarfs by Mirbabayi, Mehrdad

    Published in Physics letters. B (24-01-2011)
    “…The possibility of the formation of a condensate of charged spin-0 nuclei inside white dwarf cores, studied in [G. Gabadadze, R.A. Rosen, JCAP 0810 (2008) 030,…”
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  15. 15

    Snowmass white paper: Effective field theories in cosmology by Cabass, Giovanni, Ivanov, Mikhail M., Lewandowski, Matthew, Mirbabayi, Mehrdad, Simonović, Marko

    Published in PHYSICS OF THE DARK UNIVERSE (01-05-2023)
    “…Small fluctuations around homogeneous and isotropic expanding backgrounds are the main object of study in cosmology. Their origin and evolution is sensitive to…”
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  16. 16

    Generalized framework for auxiliary extra dimensions by Berezhiani, Lasha, Mirbabayi, Mehrdad

    Published in Physics letters. B (27-07-2011)
    “…The theory of gravity with an auxiliary extra dimension is known to give the ghost-free cubic completion of the Fierz–Pauli mass term in the decoupling limit…”
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  17. 17

    Loosely coupled particles in warm inflation by Mirbabayi, Mehrdad

    Published 26-09-2024
    “…Cosmological perturbations in warm inflation are conventionally described by an EFT. It consists of the inflaton field coupled to a radiation fluid and applies…”
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  18. 18

    An Observer's Measure of De Sitter Entropy by Mirbabayi, Mehrdad

    Published 13-11-2023
    “…The two-point correlation function of a massive field $\langle \chi(\tau)\chi(0)\rangle$, measured along an observer's worldline in de Sitter (dS), decays…”
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    Journal Article
  19. 19

    A comment about the cosmology on a bubble wall by Mirbabayi, Mehrdad

    Published 25-10-2022
    “…The interface between a big bubble of true AdS$_D$ vacuum expanding inside a false AdS$_D$ vacuum is a model of an inflating $D-1$ dimensional universe. It…”
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  20. 20

    Equivalence principle and the baryon acoustic peak by Baldauf, Tobias, Mirbabayi, Mehrdad, Simonović, Marko, Zaldarriaga, Matias

    “…We study the dominant effect of a long wavelength density perturbation [delta]([lambda] sub()L on short distance physics. In the nonrelativistic limit, the…”
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