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Dr Jonathan Oppenheim (DAMTP)
Monday 12 February 2007, 16:30-18:00
The nature of time in a closed system
- đ¤ Speaker: Dr Jonathan Oppenheim (DAMTP)
- đ Date & Time: Monday 12 February 2007, 16:30 - 18:00
- đ Venue: Meeting Room 14, Centre for Mathematical Sciences
Abstract
That time evolution appears frozen is not only a consequence of quantum gravity but appears in any theory where one tries to quantise a closed system. In such a system, time is no longer a parameter, but is represented by entanglement. This strengthens the view that our physical theories are incapable of describing time. Furthermore, the fact that time is represented by entanglement leads to a second interpretational issue related to that found in measurement theory (and in contradiction to it). I’ll also discuss whether one can have a memory in such a system, relationalism, energy conservation, and whether one can even measure the time ordering of two events.
Series This talk is part of the Philosophy of Physics series.
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