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Arun Kannawadi Jayaraman

Assistant Research Professor in the Department of Physics
Physics
120 Science Drive, Phy 097, Durham, NC 27708

Overview


My research field is Cosmology, the study of origin and evolution of the Universe. I am interested in answering the questions about the distribution of (dark) matter in the Universe, also known as the large-scale structure and using it to understand the contents (dark matter and dark energy) of the Universe. I study the matter distribution using a technique called Weak Gravitational Lensing.

On a day-to-day basis, I work on image processing pipelines and algorithms that work at raw pixel-level data to extract useful information from millions (soon to be billions) of galaxies namely galaxy fluxes (and colors) and shapes.

Current Appointments & Affiliations


Assistant Research Professor in the Department of Physics · 2023 - Present Physics, Trinity College of Arts & Sciences

In the News


Published October 29, 2025
Don’t Look Up, Space is Filled With Junk
Published June 26, 2025
Duke Cosmologists Celebrate the First Images of the Vera Rubin Observatory
Published December 23, 2023
Unexpected cosmic clumping could disprove our best understanding of the universe

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Recent Publications


Euclid I. Overview of the Euclid mission

Journal Article Astronomy and Astrophysics · May 1, 2025 The current standard model of cosmology successfully describes a variety of measurements, but the nature of its main ingredients, dark matter and dark energy, remains unknown. Euclid is a medium-class mission in the Cosmic Vision 2015–2025 programme of the ... Full text Cite
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Recent Grants


Research in High Energy Physics at Duke University

ResearchCo Investigator · Awarded by Department of Energy · 2013 - 2028

Update GalSim Image Simulation Configuration Handling

ResearchCo-Principal Investigator · Awarded by Jet Propulsion Lab · 2020 - 2027

Legacy Survey of Space and Time (LSST) Dark Energy Science Collaboration

ResearchPrincipal Investigator · Awarded by Stanford University · 2024 - 2026

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Education, Training & Certifications


Carnegie Mellon University · 2016 Ph.D.
Carnegie Mellon University · 2013 M.S.