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Center for Fundamental Theory
Thanks in large part to Einstein’s revolutionary ideas, our view of the cosmos changed dramatically in the 20th century. The primary goal of this Center is to develop even better theories to take us beyond Einstein. The focus of research is on mathematical and computational general relativity, quantum gravity and string theory. Loop quantum gravity, a leading approach to the unification of general relativity and quantum physics was developed in large part at Penn State. Now the Center enjoys strength also in string theory and non-commutative geometry. Penn State is the only US institution in which these three fundamental areas are being developed. Thanks to the new synergy, Penn State researchers have already begun to change the 20th century paradigm on such basic issues as the nature of the big bang and of black holes. Because of its exceptional combination of strengths and the resulting cross fertilization of ideas, the Center is well-placed to make deep and lasting contributions.
Center for Theoretical and Observational Cosmology
The goal of the Cosmology Center is to enhance our understanding of the large scale structure of the universe using multi-wavelength surveys, computer simulations and fundamental theories, and by confronting theoretical paradigms with observations. On the observational front, our faculty are prominent members of a number of international collaborations, including the Chandra X-ray observatory, the Swift Gamma Ray Explorer Mission, the Sloan Digital Sky Survey-III, the Hobby-Eberly Telescope Dark Energy Experiment, and the Large Synoptic Survey Telescope. Their research also uses other facilities such as the Hubble space telescope and the XMM-Newton mission and they are leaders in some of the high profile proposed missions such as the Joint Astrophysics Nascent Universe Satellite. These multi-wavelength observations enable us to address some of the central questions in cosmology, such as the nature of dark energy and validity of general relativity at very large scales, the expansion history of early universe, and the formation and growth of super-massive black holes.
Center for Multimessenger Astrophysics
Almost everything we know about the cosmos has come to us in the form of electromagnetic waves. Particle Astrophysics provides brand new windows to the cosmos. Penn State faculty are prominent participants in three novel initiatives: the Pierre Auger Cosmic Ray Observatory located in Argentina, the IceCube Neutrino Observatory at the south pole and the Swift Gamma-Ray Burst Explorer satellite and the Laser Interferometer Gravitational Observatories in the U.S. LIGO and Auger have already started making major discoveries and IceCube has completed its construction. Penn State is the only U.S. institution participating in both of these premier ground-based projects. Gamma ray bursts are especially violent supernova explosions which spew out, in a few blinding seconds, as much energy as a thousand suns do in their entire life times. Swift, with its mission control center at Penn State, has been providing the best observations of these explosions, making Penn State a dominant player in this exciting area. These bursts and other energetic cosmic events can also be studied using cosmic rays, neutrinos and gravitational waves. Thus, there is now exceptional synergy that places Penn State in a unique position to conduct a bold, multi-pronged approach to high energy astrophysics. The potential for major discoveries is enormous. Details on our new initiative to exploit this potential, AMON, can be found at http://amon.gravity.psu.edu.
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104 Davey Laboratory #258
The Pennsylvania State University
University Park, PA 16802-6300
Phone: +1 814 863-9605
Fax: +1 814 863-9608
George A. and Margaret M. Downsbrough

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