Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2007-12-10
PoSQG-Ph:036,2007
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
5 pages RevTeX, Proceedings to the workshop From Quantum to Emergent Gravity: Theory and Phenomenology, June 11-15 2007, Tries
Scientific paper
The macroscopic behavior of many physical systems can be approximately described by classical quantities. However, quantum theory demands the existence of omnipresent quantum fluctuations on top of this classical background -- which, albeit small, should have some impact onto its dynamics. The correct treatment of this quantum back-reaction is one of the main problems in quantum gravity and related to fundamental questions such as the initial (big bang) singularity or the cosmological constant. By means of the qualitative analogy between gravity and fluid dynamics, we try to shed some light onto these problems and show some of the difficulties associated with the calculation of the quantum back-reaction starting from the classical (macroscopic) equation of motion.
No associations
LandOfFree
Quantum back-reaction problems does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Quantum back-reaction problems, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Quantum back-reaction problems will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-405255