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Matias Zaldarriaga Physicist

Matias Zaldarriaga has made many influential and creative contributions to our understanding of the early universe, particle astrophysics, and cosmology as a probe of fundamental physics. Much of his work centers on understanding the clues about the earliest moments of our universe encoded in the Cosmic Microwave Background, the faint glow of radiation generated by the Big Bang. His recent research has focused on intergalactic hydrogen gas in the early universe, and he is at the forefront of developing machinery to study this gas using the spectral line from neutral hydrogen at 21-centimeter wavelength.


MacArthur Fellowship, 2006.

Gribov Medal, European Physical Society, 2005.

Sloan Fellowship, 2004.

Helen B. Warner Prize, American Astronomical Society, 2003.

Packard Fellowship, 2001.

Relevant Publications

M. Mirbabayi, "Gravitational Waves and the Scale of Inflation," Phys.Rev. D91, 063518, Mar. 2015.



Senior Fellow Gravity & the Extreme Universe


Institute for Advanced StudySchool of Natural Sciences


Ph.D (Physics) Massachusetts Institute of Technology

B.Sc. (Physics) University of Buenos Aires


United States

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