Robert R. Caldwell Associate Professor of Physics and Astronomy at Dartmouth since 2000

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Education

• University of Wisconsin - Milwaukee: Ph.D., Physics 1992
• Washington University - St. Louis: A.B., Physics 1987

Experience

• 2005 - present: Associate Professor, Dartmouth College, Dept. of Physics and Astronomy
• 2000 - 2005: Assistant Professor, Dartmouth College, Dept. of Physics and Astronomy
• 1998 - 2000; Postdoctoral Fellow, Princeton University, Dept. of Physics
• 1996 - 1998; Postdoctoral Fellow, University of Pennsylvania, Dept. of Physics
• 1994 - 1996; Postdoctoral Fellow, Cambridge University, DAMTP
• 1992 - 1994; Postdoctoral Fellow, NASA/Fermilab Theoretical Astrophysics Center

Honors and Awards

• Rosenbaum Fellow, Isaac Newton Institute, Cambridge UK July-December 1999
• Dept. of Education Graduate Fellow,  University of Wisconsin - Milwaukee, 1989-1992

Memberships

• American Physical Society

Contact Information

• Office: 237 Wilder
• Telephone: (603) 646-2742
• E-mail: robert.r.caldwell@dartmouth.edu

Research Interests (see my web page; see my research page)

Theoretical Cosmology, Gravitation, and Astrophysics: quintessence and the dark energy in the universe; cosmic microwave background; formation and evolution of large scale structure; topological defects; gravitational radiation; physics of the early universe

Selected Recent Publications

"A Lower Limit to the Scale of an Effective Theory of Gravitation," R. R. Caldwell, D. Grin, astro-ph/0606133.

"Large-scale bulk motions complicate the hubble diagram," A. Cooray, R. R. Caldwell, Phys.Rev.D73:103002 (2006).

"A Sudden gravitational transition," R. R. Caldwell, W. Komp, L. Parker, D. Vanzella, Phys.Rev.D73:023513 (2006).

"The Limits of quintessence," R.R. Caldwell, E. Linder, Phys.Rev.Lett.95:141301 (2005).

"Cosmic shear of the microwave background: The Curl diagnostic," A. Cooray, M. Kamionkowski, R. R. Caldwell, Phys.Rev.D71:123527 (2005).

Selected Recent Talks

Princeton Astronomy Department Colloquium, February 2006 (pdf)

Wisconsin-Madison Physics Department Colloquium, March 2006 (pdf)

Selected Recent General Science

"Dark Energy," R.R. Caldwell, Physics World, May 2004 (link)

“The Big Rip,” interview, March 2003 (New Scientist: link; CBC radio: mp3; BBC radio: ram)

“Echoes of the Big Bang,” R.R. Caldwell and M.P. Kamionkowski, Scientific American, January 2001 ( pdf)

“Quintessence,” R.R. Caldwell and P.J. Steinhardt, Physics World, November 2000 ( link)

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Site contact:largent@Dartmouth.EDU

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