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Dr. Katherine Freese, a theoretical astrophysicist, is the George Eugene Uhlenbeck Collegiate Professor of Physics at the University of Michigan and Associate Director of the Michigan Center for Theoretical Physics. She is known for her work in theoretical cosmology at the interface of particle physics and astrophysics.
Education and Academic Career
Dr. Freese received her BA from Princeton University, her MA from Columbia University, and her PhD in 1984 at the University of Chicago from advisor David Schramm. After postdoctoral fellowships at Harvard University, at the Kavli Institute for Theoretical Physics at University of California, Santa Barbara, and as a Presidential Fellow at the University of California, Berkeley, she became an Assistant Professor at MIT in 1988. She moved to the University of Michigan in 1991.
Dr. Freese has been an early force in dark matter and dark energy science. She was one of the first to propose ways to discover dark matter. Her idea of indirect detection in the Earth is being pursued by the IceCube Neutrino Observatory experiment, and the "wind" of dark matter particles felt as the Earth orbits the Milky Way (work with David Spergel) is being searched for in worldwide experiments. Her work decisively ruled out MACHO (Massive compact halo object) dark matter in favor of WIMPs (weakly interacting massive particles). She has proposed a model known as "Cardassian expansion," in which dark energy is replaced with a modification of Einstein's equations. Recently she proposed a new theoretical type of star, called a dark star, powered by dark matter annihilation rather than fusion 
Freese has also worked on the beginnings of the universe, including the search for a successful inflationary theory to kick off the Big Bang. Her Natural Inflation model  is the theoretically best-motivated variant of inflation; it uses axionic-type particles to provide the required flat potentials to drive the expansion. In 2013, observations made by the European Space Agency's Planck Satellite show that the framework of natural inflation matches the data. She has studied the Ultimate fate of the universe, including the fate of life in the universe. To quote New Scientist: "Katherine Freese and William Kinney don't look much like superheroes, but this pair of astrophysicists may just have rescued all life in the Universe."
Dr. Freese has served on the Board of the Kavli Institute for Theoretical Physics in Santa Barbara and the Board of the Aspen Center for Theoretical Physics. From 2008-2012 she was a Councilor and Member of the Executive Committee of the American Physical Society, and from 2005-2008 she was a member of the Astronomy and Astrophysics Advisory Committee (AAAC). Currently she serves on the Board of the Oskar Klein Centre for Cosmoparticle Physics in Stockholm. In 2009 Freese was elected Fellow of the American Physical Society. She received a Simons Foundation Fellowship in Theoretical Physics. In September 2012 Freese was awarded an Honorary Doctorate (Honoris Causa) from the University of Stockholm.
- Drukier, Andrzej; Katherine Freese, David Spergel. "Detecting Cold Dark Matter Candidates". Physical Review D 33 (12): 3495–3508. Bibcode:1986PhRvD..33.3495D. doi:10.1103/PhysRevD.33.3495.
- Freese, Katherine. "Can Scalar Neutrinos or Massive Dirac Neutrinos be the Missing Mass". Physics Letters B167 (3): 295–300. Bibcode:1986PhLB..167..295F. doi:10.1016/0370-2693(86)90349-7.
- James Glanz, New York Times, Feb. 2000, , "In the Dark Matter Wars, WIMPs beat MACHOs",
- Dennis Overbye, New York Times, Nov. 2003, , "What is Gravity, Really?"
- Freese, Katherine; Bodenheimer, Peter, Spolyar, Douglas, Gondolo, Paolo. "Stellar Structure of Dark Stars: A First Phase of Stellar Evolution Resulting from Dark Matter Annihilation". The Astrophysical Journal 685 (2): L101–L104. arXiv:astro-ph/0806.0617. Bibcode:2008ApJ...685L..101E. doi:10.1086/592685.
- Freese, Katherine; Joshua Frieman, Angela Olinto. "Natural Inflation with Pseudo-Nambu Goldstone Bosons". Physical Review Letters 65: 3233–3236. Bibcode:1990PhRvL..65.3233F. doi:10.1103/PhysRevLett.65.3233.
- Collaboration, Planck. Planck 2013 Results XXII: Constraints on Inflation. arXiv:1303.5082. Bibcode:2013arXiv1303.5082P.
- Philip Ball, , "Never Say Die", New Scientist, Aug. 2002
- Dr. Katherine Freese Home Page from http://www.umich.edu/~ktfreese -or- http://www-personal.umich.edu/~ktfreese
- Freese's Faculty Listing from the University of Michigan Physics Department
- Dr. Katherine Freese Other Links from http://www.umich.edu/~ktfreese/otherLinks.html -or- http://www-personal.umich.edu/~ktfreese/otherLinks.html
- Katherine Freese on the opening panel of the Quantum to Cosmos Festival
- Video of Katherine Freese on a panel discussion, "State of the Universes," with Jennifer Ouellette, Lawrence Krauss and Neil Turok, at the Quantum to Cosmos festival, October 2009
- Katherine Freese on "The Dark Side of the Universe" panel at The World Science Festival with Elena Aprile, Glennys Farrar, Saul Perlmutter, Michael Turner, and Brian Greene, May 2011
- Katherine Freese on "Through the Wormhole with Morgan Freeman" on the Science Channel, Season 3, Episode "Is Something Really Nothing?", aired July 2012