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Cosmology Summer Fest 2025

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272 Bloomberg Center for Physics and Astronomy (Johns Hopkins University)

272 Bloomberg Center for Physics and Astronomy

Johns Hopkins University

3701 San Martin Drive Baltimore, MD 21218
Description

The 2025 Cosmology Summer Fest is in honor of Marc Kamionkowski and Robert Caldwell’s 60th birthdays. The event will be a 2.5-day science workshop during which we will discuss recent progress in a range of topics in theoretical and data-driven cosmology.

This event includes a reception on Wednesday evening 18:00-20:00 and a banquet dinner on Thursday 18:00-21:00, for registered participants, in the Atrium of the Bloomberg Center for Physics and Astronomy.

Link to suggested questions for Marc and Robert during Thursday's discussion.

Confirmed invited speakers:

Bruce Allen (Albert Einstein Institute)
Kimberly Boddy (University of Texas at Austin)
Latham Boyle (University of Edinburgh)
Sean Carroll (Johns Hopkins University)
Xuelei Chen (National Astronomical Observatories, Chinese Academy of Sciences)
Jens Chluba (Manchester University)
Cyril Creque-Sarbinowski (Center for Computational Astrophysics, Flatiron Institute)
Liang Dai (University of California, Berkeley)
Cora Dvorkin (Harvard University)
Chris Hirata (Ohio State University)
Dragan Huterer (University of Michigan)
Donghui Jeong (Penn State University)
Julian Munoz (University of Texas at Austin)
Lyman Page (Princeton University)
Hiranya Peiris (University of Cambridge)
Annika Peter (Ohio State University)
Vivian Poulin (LUPM, CNRS & Université de Montpellier)
Anthony Pullen (New York University)
Adam Riess (Johns Hopkins University)
Gabriela Sato-Polito (Institute of Advanced Study)
Joseph Silk (Johns Hopkins University)
Suzanne Staggs (Princeton University)
Avery Tishue (University of Illinois, Urbana-Champagne)

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Participants
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  • Wednesday 23 July
    • 08:30
      Registration Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
    • 1
      Opening remarks 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Speaker: Dan and Tristan
    • Gravitational Waves: Session 1 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Emanuele Berti
      • 2
        Gravitational wave detection with pulsar timing arrays
        Speaker: Bruce Allen (Max Planck Institute for Gravitational Physics)
      • 3
        Where are the supermassive black holes measured by PTAs?
        Speaker: Gabriela Sato-Polito (Institute for Advanced Study)
      • 4
        Studying Binary Black Holes and the Universe with Gravitational Waves
        Speaker: Michael Kesden (University of Texas at Dallas)
    • 11:00
      Coffee break Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
    • Num+AI: Session 2 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Adrienne Erickcek
      • 5
        G & C and the Rest of the CMB
        Speaker: Suzanne Staggs (Princeton University)
      • 6
        Surfing the Big Data Wave
        Speaker: Hiranya Peiris (University of Cambridge)
      • 7
        Beyond the power spectrum: Physicists vs. AI
        Speaker: Bhuvnesh Jain (University of Pennsylvania)
      • 8
        Rapid numerical evolution of linear cosmological perturbations with non-cold relics
        Speaker: Nanoom Lee (Johns Hopkins University)
    • 13:00
      Lunch Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
    • Dark Energy / Inflation: Session 3 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Daniel Grin
      • 9
        Complexogenesis
        Speaker: Sean Carroll (Johns Hopkins University)
      • 10
        The Big Bang as a Mirror
        Speaker: Latham Boyle (Higgs Centre for Theoretical Physics, University of Edinburgh)
      • 11
        Efficient Evolution of Spherical Dark-Matter Halos: With or Without New Physics
        Speaker: Kris Sigurdson (University of British Columbia)
      • 12
        Beyond the Limits of Quintessence
        Speaker: Eric Linder (UC Berkeley)
      • 13
        Large Scale White Noise Limits on Gravitational Radiation
        Speaker: Albert Stebbins (Fermilab)
    • 15:45
      Coffee break Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
    • LIM+: Session 4 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Jens Chluba (University of Manchester)
      • 14
        New Probes of Cosmic Noon with Line Intensity Mapping
        Speaker: Anthony Pullen (New York University)
      • 15
        Galaxies for cosmology and cosmology for galaxies
        Speaker: Julian Munoz (University of Texas at Austin)
      • 16
        A New Boundary Condition on Reionization
        Speaker: Ely Kovetz (Ben-Gurion University)
      • 17
        High-Redshift Astrophysics Using Every Photon
        Speaker: Patrick Breysse (Southern Methodist University)
      • 18
        Dim and Deserted: What Low Density Structures Tell Us About the Cosmology of the Universe
        Speaker: Lara Arielle Phillips (University of Notre Dame)
    • 18:00
      Reception Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
  • Thursday 24 July
    • Dark Matter: Session 1 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Tristan Smith (Swarthmore College)
      • 19
        The Universe as a Lab for Fundamental Physics
        Speaker: Cora Dvorkin (Harvard University)
      • 20
        Cosmology of light dark matter
        Speaker: Vera Gluscevic (University of Southern California)
      • 21
        Cosmology of even lighter dark matter
        Speaker: Kimberly Boddy (University of Texas at Austin)
      • 22
        Exact treatment of weak dark matter-baryon scattering for linear-cosmology observables
        Speaker: Yacine Ali-Haimoud (New York University)
      • 23
        Small-scale probes of the expansion history
        Speaker: Adrienne Erickcek (UNC Chapel Hill)
    • 10:30
      Coffee break Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
    • CMB: Session 2 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Vera Gluscevic (University of Southern California)
      • 24
        From Lagrangian to Likelihood: Dark Matter Physics with Big Telescopes and Computers
        Speaker: Annika Peter (Ohio State University)
      • 25
        A new laboratory search for axions
        Speaker: Lyman Page (Princeton University)
      • 26
        Fundamental science with the secondary CMB
        Speaker: Matthew Johnson (York University/Perimeter Institute)
      • 27
        Fundamental Physics with kSZ Tomography
        Speaker: Avery Tishue (University of Illinois Urbana-Champaign)
      • 28
        Acoustic phase-shift - a novel probe of neutrino interactions in cosmology
        Speaker: Subhajit Ghosh (The University of Texas at Austin)
    • 12:45
      Lunch Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
    • Tensions: Session 3 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Yacine Ali-Haimoud (New York University)
      • 29
        The Hubble Tension After JWST
        Speaker: Adam Riess (Johns Hopkins University)
      • 30
        Early Dark Energy and the Hubble tension
        Speaker: Vivian Poulin (LUPM, CNRS & U. de Montpellier, France)
      • 31
        Phantom dark energy 22 years later
        Speaker: Dragan Huterer (University of Michigan)
      • 32
        DESI's neutrino mass constraints from a Bayesian & frequentist's perspective
        Speaker: Laura Herold (Johns Hopkins University)
      • 33
        An S8 Tension at Redshift 2
        Speaker: Simeon Bird (University of California, Riverside)
    • 16:00
      Coffee break Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
    • Special / Discussion: Session 4 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Alvise Raccanelli (Universita e INFN, Padova (IT))
      • 34
        Hawking radiation and primordial black holes
        Speaker: Christopher Hirata (Ohio State University)
        pbh_baltimore.pdf
      • 35
        Long-range dark fifth-forces
        Speaker: Cyril Creque-Sarbinowski (Center for Computational Astrophysics, Flatiron Institute)
      • 36
        Discussion
        Speaker: Marc and Robert
    • 18:00
      Banquet dinner Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
  • Friday 25 July
    • Transients: Session 1 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Simeon Bird
      • 37
        Probing the cosmic dark ages with the Hongmeng project
        Speaker: Xuelei Chen (National Astronomical Observatories, Chinese Academy of Science)
      • 38
        Clustering fossil and parity violation measurement
        Speaker: Donghui Jeong (The Pennsylvania State University)
      • 39
        Clustering in Plato’s cave
        Speaker: Alvise Raccanelli (Universita e INFN, Padova (IT))
      • 40
        Not-Quite Primordial Black Holes
        Speaker: Wenzer Qin (New York University)
      • 41
        Widen the Resonance: Probing a New Regime of Neutrino Self-Interactions with Cosmological Neutrinos
        Speaker: Bei Zhou (Fermilab)
        20250725 NuSI at Cosmology Summer Fest.pdf
    • 10:30
      Coffee break Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
    • Future: Session 2 272 Bloomberg Center for Physics and Astronomy

      272 Bloomberg Center for Physics and Astronomy

      Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
      Convener: Kimberly Boddy (University of Texas at Austin)
      • 42
        Dark Matter: the odds have changed
        Speaker: Joe Silk (JHU/IAP)
      • 43
        New Cosmology Probes with Radio Polarimetry of Galaxies
        Speaker: Liang Dai (University of California, Berkeley)
      • 44
        TBD
        Speaker: Olivier Dore (JPL)
      • 45
        Quo Vadis CMB spectral distortions?
        Speaker: Jens Chluba (University of Manchester)
    • 13:00
      Lunch Lobby (Bloomberg Center for Physics and Astronomy, Johns Hopkins University)

      Lobby

      Bloomberg Center for Physics and Astronomy, Johns Hopkins University

      3701 San Martin Drive Baltimore, MD 21218
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