Presenter photo
Matt Visser
Emergent dispersion relations --- lessons for quantum gravity
Air Date: 11/05/2007
Air Time: 5:00 PM EST
Length: 0 Hours, 59 Minutes, 49 Seconds
Description: Abstract: The dispersion relations that naturally arise in the known emergent/analogue spacetimes typically violate analogue Lorentz invariance at high energy, but do not do so in completely arbitrary manner. This suggests that a search for arbitrary violations of Lorentz invariance is possibly overkill: There are a number of natural and physically well-motivated restrictions one can put on emergent/analogue dispersion relations, considerably reducing the plausible parameter space.

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