Øyvind Grøn
Øyvind Grøn (born 11 March 1944) is a Norwegian physicist. Biography Grøn was born in Oslo, and is a twin. He took the cand. real. degree at the University of Oslo in 1973, majoring in meteorology. He followed up with the PhD degree in 1990 with a thesis on repulsive gravitation. He started his academic career as a research assistant at the University of Oslo, and has also been a lecturer there. He was appointed as a professor at Oslo University College in 1994, having been an associate professor since 1985. He has also been professor II at the University of Oslo since 1994. Scientific contributions Rotating reference frames Grøn has conducted research within the areas of general relativity, cosmology and classical electromagnetism. He has thrown new light on themes like the twin paradox, the physics in a rotating reference system (Ehrenfest paradox) and repulsive gravitation associated with vacuum energy. Together with Erik Eriksen at the University of Oslo he has also stud ...
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