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“Our Accelerating Universe and
Modified Gravity “
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Date: |
Download-files: |
Time: |
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Thursday, 05. March 2015 |
Audio-only-Recording as MP3-File (smallest
possible size):
- Audio.mp3 (ca.31 Mb) ============================================ Video-Recording for any system with MP4-support:
- Video.mp4 (ca.210 Mb) |
15:15 – 16:20 |
Abstract :
Our
Universe is a remarkable laboratory for physics both at very high and very low
energies.
Whilst most
of the history of our Universe is understood with a remarkable precision, the current
state of our Universe
remains
mystifying, with its 95% of unknown dark matter and dark energy. Could the
late-time acceleration of
the
Universe and the apparent discrepancy with standard particle physics be the
first sign of the breakdown of
gravity at
very large distances ? This is the question I will explore within the context
of massive gravity.
Whilst
massive gravity is one of the earliest and most natural generalization of
General Relativity, its fully consistent
formulation
was only unraveled recently. After discussing its realization I will explore
its phenomenological implications,
as much on
cosmological scales than within the solar system.