Faculty Expert Profile

Joseph Silk

  • Research Professor and Homewood Professor of Physics and Astronomy

Affiliations

  • Zanvyl Krieger School of Arts and Sciences

Joseph Silk studies homogeneities in the cosmic microwave background and how they are influenced by density fluctuations in the matter of the early universe, in particular by a damping effect that bears his name. These were decisive contributions that helped transform cosmology into a high-precision science. He has also made pioneering advances in understanding the nature of dark matter, and explored novel indirect methods for its detection.

Silk was awarded the 2011 Balzan Prize for his pioneering work on the infant universe.

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