Early Universe Cosmology

Presentations

• Probing Beyond Standard Model Physics Models with the Early Universe

  ORAL

  March 19, 2026, 10:30 AM – March 19, 2026, 10:42 AM

  Presenters

  • Chad Kishimoto

    • University of San Diego

  Authors

  • Chad Kishimoto

    • University of San Diego

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• New prediction for the primordial deuterium abundance with Gaussian processes

  ORAL

  March 19, 2026, 10:42 AM – March 19, 2026, 10:54 AM

  Publication: A paper on this work is planned for early 2026.

  Presenters

  • Timothy M Launders

    • Boston University

  Authors

  • Timothy M Launders

    • Boston University

  • Hongwan Liu

    • Boston University

  • Cara Giovanetti

    • New York University (NYU)

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• Multi-Resonant-Line Radiative Transfer: Lyman-Alpha Fine Structure and Deuterium Coupling

  ORAL

  March 19, 2026, 10:54 AM – March 19, 2026, 11:06 AM

  Publication: Stace, E. et al. "Multi-Resonant-Line Radiative Transfer: Lyman-Alpha Fine Structure and Deuterium Coupling" Open Journal of Astrophysics, in prep.

  Presenters

  • Ethan Stace

    • University of Florida

  Authors

  • Ethan Stace

    • University of Florida

  • Aaron Smith

    • The University of Texas at Dallas

  • Kevin Lorinc

    • The University of Texas at Dallas

  • Olof Nebrin

    • Stockholm University

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• Seeking the Dark Ages of the Universe: Modeling Radio Observations with LuSEE-Night from the Far Side of the Moon

  ORAL

  March 19, 2026, 11:06 AM – March 19, 2026, 11:18 AM

  Presenters

  • David W Barker

    • University of Colorado, Boulder

  Authors

  • David W Barker

    • University of Colorado, Boulder

  • Jack O Burns

    • University of Colorado, Boulder

  • David Rapetti

    • University of Colorado, Boulder; NASA AMES; USRA

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• Primordial magnetic fields and modified recombination histories

  ORAL

  March 19, 2026, 11:18 AM – March 19, 2026, 11:30 AM

  Publication: @misc{schiff2025primordialmagneticfieldsmodified,
  title={Primordial magnetic fields and modified recombination histories},
  author={Jonathan Schiff and Tejaswi Venumadhav},
  year={2025},
  eprint={2506.16517},
  archivePrefix={arXiv},
  primaryClass={astro-ph.CO},
  url={https://arxiv.org/abs/2506.16517},
  }

  Presenters

  • Jonathan Schiff

    • University of California, Santa Barbara

  Authors

  • Jonathan Schiff

    • University of California, Santa Barbara

  • Tejaswi Venumadhav

    • University of California, Santa Barbara

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• Effects of the ekpyrotic mechanism on inflationary phase in loop quantum cosmologies

  ORAL

  March 19, 2026, 11:30 AM – March 19, 2026, 11:42 AM

  Publication: https://doi.org/10.48550/arXiv.2510.03907

  Presenters

  • Christian Brown

    • Baylor University

  Authors

  • Christian Brown

    • Baylor University

  • Anzhong Wang

    • Baylor University

  • Gerald B Cleaver

    • Baylor University
    • Baylor university

  • Jared Fier

    • Baylor University

  • Brian A Phillips

    • Baylor University

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• Twisting inflation to sub-Planckian axion decay constants

  ORAL

  March 19, 2026, 11:42 AM – March 19, 2026, 11:54 AM

  Publication: https://doi.org/10.48550/arXiv.2507.10696

  Presenters

  • Indranil Das

    • University of Illinois at Urbana-Champaign

  Authors

  • Indranil Das

    • University of Illinois at Urbana-Champaign

  • Peter Adshead

    • University of Illinois at Urbana-Champaign

  • Suddhasattwa Brahma

    • University of Edinburgh

  View abstract →