Robert R. Caldwell

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Big Rip

• In the news: ```Phantom Menace' may rip up cosmos,'' Marcus Chown, New Scientist, March 2003 (link);  ``Cosmic Doomsday Scenario,'' Ron Cowen, Science News, March 2003 (link)
• General Interest: ``Will the Universe End in a Big Rip?'' Astronomy Picture of the Day, March 2003 (link)
• Technical Articles: ``Phantom Energy & Cosmic Doomsday,'' R.R. Caldwell, M.P. Kamionkowski, and N.N. Weinberg (link); ``A Phantom Menace?'' R.R. Caldwell (link)

Quintessence

• In the news: ``Dark Energy Tiptoes Towards the Spotlight,'' Charles Seife, Science, June 2003 (pdf)
• General Interest: ``Quintessence,'' R.R. Caldwell and P.J. Steinhardt, Physics World, November 2000 (link) 
• Review Article: ``Quintessence: The Rough Guide,'' R.R. Caldwell (ps)
• Technical Articles: ``Cosmological Imprint of an Energy Component with General Equation of State,'' R.R. Caldwell, R. Dave, P.J. Steinhardt (link) 

Gravitational Waves

• General Interest: ``Echoes of the Big Bang,'' R.R. Caldwell and M.P. Kamionkowski, Scientific American, January 2001 (pdf) 
• Technical Article: ``The First Space-Based Gravitational Wave Detectors,'' R.R. Caldwell, M.P. Kamionkowski, and L. Wadley (link)

2005 Cosmology Lectures at INPE, Brazil

• Dark Energy Cosmology Lectures: 1 2 3 4 5 (pdf) 1 2 3 4 5 (ppt)

Some of my Collaborators

• Bruce Allen
• Marc Kamionkowski
• Paul Steinhardt
• UW-Milwaukee
• Fermilab Theoretical Astrophysics
• Cambridge Relativity & Gravitation
• Princeton Cosmology

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