Robert R. Caldwell Biography

Historical biography and chronological timeline for Robert R. Caldwell, based on 3 World History Database records associated with United States of America.

3 records1998–20033 events3 places

Chronological biography

1998

Quintessence Equation of State1998

Science / Astronomy · Cosmologist · Dynamical Dark Energy

Caldwell studies a cosmic component with negative pressure and a general equation of state, helping establish quintessence as an alternative to a constant vacuum energy.

2002

Phantom Dark Energy Proposed2002

Science / Astronomy · Cosmologist · Dark Energy Equation of State

Caldwell examines dark energy with an equation-of-state value below minus one, introducing the phantom-energy possibility beyond conventional quintessence.

2003

Big Rip Scenario2003

Science / Astronomy · Cosmologist · Future of the Universe

Caldwell and collaborators show that sufficiently strong phantom dark energy could eventually tear apart bound structures in a future Big Rip.

Titles and roles

Cosmologist

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.