Home > People > Faculty > Robert R. Caldwell

Robert R. Caldwell Associate Professor of Physics and Astronomy 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
• Fellow of the American Physical Society

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

"The Physics of Cosmic Acceleration," R. R. Caldwell and Marc Kamionkowski, Ann. Rev. Nuc. Part. Sci. 59 (2009) (On-line)

"Large Scale Structure as a Probe of Gravitational Slip," Scott F. Daniel et al, Phys.Rev.D77:103513 (2008)

"A Test of the Copernican Principle," R. R. Caldwell and A. Stebbins, Phys.Rev.Lett.100:191302 (2008)

"Lower Limit to the Scale of an Effective Theory of Gravitation," R. R. Caldwell and Daniel Grin, Phys.Rev.Lett.100:031301 (2008).

"Anisotropy of the Cosmic Neutrino Background," R. J. Michney and R. R. Caldwell, JCAP 0701:014 (2007)

Selected Recent Talks

Galileo Galilei Institute for Theoretical Physics, March 2009 (pdf)

International Space Science Institute, October 2008 (pdf)

Particle Astrophysics and Cosmology, June 2008 (pdf)

Selected Recent General Science

"Dark Matter & Energy," R. R. Caldwell and M. Kamionkowski, Nature 2009 (pdf)

"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)