Search Results - "Obied, Georges"

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  1. 1

    On the cosmological implications of the string Swampland by Agrawal, Prateek, Obied, Georges, Steinhardt, Paul J., Vafa, Cumrun

    Published in Physics letters. B (01-09-2018)
    “…We study constraints imposed by two proposed string Swampland criteria on cosmology. These criteria involve an upper bound on the range traversed by scalar…”
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    Journal Article
  2. 2

    Dark dimension gravitons as dark matter by Gonzalo, Eduardo, Montero, Miguel, Obied, Georges, Vafa, Cumrun

    Published in The journal of high energy physics (17-11-2023)
    “…A bstract We consider cosmological aspects of the Dark Dimension (a mesoscopic dimension of micron scale), which has recently been proposed as the unique…”
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    Journal Article
  3. 3

    Dark energy and the refined de sitter conjecture by Agrawal, Prateek, Obied, Georges

    Published in The journal of high energy physics (01-06-2019)
    “…A bstract We revisit the phenomenology of quintessence models in light of the recently refined version of the de Sitter Swampland conjecture, which includes…”
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    Journal Article
  4. 4

    Swampland bounds on dark sectors by Montero, Miguel, Muñoz, Julian B., Obied, Georges

    Published in The journal of high energy physics (21-11-2022)
    “…A bstract We use Swampland principles to theoretically disfavor regions of the parameter space of dark matter and other darkly charged particles that may…”
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    Journal Article
  5. 5

    Astrophysical constraints on decaying dark gravitons by Law-Smith, Jamie A. P., Obied, Georges, Prabhu, Anirudh, Vafa, Cumrun

    Published in The journal of high energy physics (07-06-2024)
    “…A bstract In the dark dimension scenario, which predicts an extra dimension of micron scale, dark gravitons (KK modes) are a natural dark matter candidate. In…”
    Get full text
    Journal Article
  6. 6

    Towards a comprehensive picture of powerful quasars, their host galaxies and quasar winds at z ∼ 0.5 by Wylezalek, Dominika, Zakamska, Nadia L., Liu, Guilin, Obied, Georges

    “…Luminous type-2 quasars in which the glow from the central black hole is obscured by dust are ideal targets for studying their host galaxies and the quasars’…”
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    Journal Article
  7. 7

    Giant scattering cones in obscured quasars by Obied, Georges, Zakamska, Nadia L, Wylezalek, Dominika, Liu, Guilin

    “…We analyse Hubble Space Telescope observations of scattering regions in 20 luminous obscured quasars at 0.24 < z < 0.65 (11 new observations and nine archival…”
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    Journal Article
  8. 8

    String Theory and Its Applications in Cosmology and Particle Physics by Obied, Georges

    Published 01-01-2022
    “…Finding experimental signatures of string theory is a central problem in modern physics. Recently, this problem has been revived in the context of the…”
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    Dissertation
  9. 9
  10. 10

    A Tale of Two $U(1)$'s: Kinetic Mixing from Lattice WGC States by Obied, Georges, Parikh, Aditya

    Published 14-09-2021
    “…We point out that the states required by the Lattice Weak Gravity Conjecture, along with certain genericity conditions, imply the existence of non-vanishing…”
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    Journal Article
  11. 11

    Chern-Simons bubbles: Lopsided false vacuum decay in axion electrodynamics by Hassan, Saquib, March-Russell, John, Obied, Georges

    Published 31-01-2024
    “…We study axion electrodynamics, including the Chern-Simons interaction term, in the presence of parallel background electric and magnetic fields, as can for…”
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    Journal Article
  12. 12

    Chern-Simons Induced Thermal Friction on Axion Domain Walls by Hassan, Saquib, Kane, Gaurang Ramakant, March-Russell, John, Obied, Georges

    Published 25-10-2024
    “…We study the dynamics and interactions of the solitonic domain walls that occur in realistic axion electrodynamics models including the Chern-Simons…”
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    Journal Article
  13. 13

    Swampland Bounds on Dark Sectors by Montero, Miguel, Muñoz, Julian B, Obied, Georges

    Published 19-07-2022
    “…We use Swampland principles to theoretically disfavor regions of the parameter space of dark matter and other darkly charged particles that may exist. The…”
    Get full text
    Journal Article
  14. 14

    Dark Dimension and Decaying Dark Matter Gravitons by Obied, Georges, Dvorkin, Cora, Gonzalo, Eduardo, Vafa, Cumrun

    Published 09-11-2023
    “…We explore the cosmology of the Dark Dimension scenario taking into account perturbations in the linear regime. In the context of the Dark Dimension scenario,…”
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    Journal Article
  15. 15

    Dark Energy and the Refined de Sitter Conjecture by Agrawal, Prateek, Obied, Georges

    Published 01-11-2018
    “…We revisit the phenomenology of quintessence models in light of the recently refined version of the de Sitter Swampland conjecture, which includes the…”
    Get full text
    Journal Article
  16. 16

    Dark Dimension Gravitons as Dark Matter by Gonzalo, Eduardo, Montero, Miguel, Obied, Georges, Vafa, Cumrun

    Published 19-09-2022
    “…We consider cosmological aspects of the Dark Dimension (a mesoscopic dimension of micron scale), which has recently been proposed as the unique corner of the…”
    Get full text
    Journal Article
  17. 17

    Astrophysical Constraints on Decaying Dark Gravitons by Law-Smith, Jamie A. P, Obied, Georges, Prabhu, Anirudh, Vafa, Cumrun

    Published 20-07-2023
    “…In the dark dimension scenario, which predicts an extra dimension of micron scale, dark gravitons (KK modes) are a natural dark matter candidate. In this…”
    Get full text
    Journal Article
  18. 18

    H_0$ Tension, Swampland Conjectures and the Epoch of Fading Dark Matter by Agrawal, Prateek, Obied, Georges, Vafa, Cumrun

    Published 19-06-2019
    “…Phys. Rev. D 103, 043523 (2021) Motivated by the swampland dS conjecture, we consider a rolling scalar field as the source of dark energy. Furthermore, the…”
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    Journal Article
  19. 19

    Topological Gravity as the Early Phase of Our Universe by Agrawal, Prateek, Gukov, Sergei, Obied, Georges, Vafa, Cumrun

    Published 21-09-2020
    “…Motivated by string dualities we propose topological gravity as the early phase of our universe. The topological nature of this phase naturally leads to the…”
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    Journal Article
  20. 20

    On the Cosmological Implications of the String Swampland by Agrawal, Prateek, Obied, Georges, Steinhardt, Paul J, Vafa, Cumrun

    Published 19-07-2018
    “…We study constraints imposed by two proposed string Swampland criteria on cosmology. These criteria involve an upper bound on the range traversed by scalar…”
    Get full text
    Journal Article