The existence of a minimum wavelength for photons
arXiv:1108.5066
Abstract
The holographic property of entropy plays a key role in the thermodynamic description of gravitational field equations. It remains unclear, we argue, whether this property is necessarily interwoven with gravity itself or can be understood instead as a manifestation of physics outside gravity. It is pointed out that if the latter is the case, so that the holographic property of entropy could be considered as completely rooted on some microscopic, non-gravitational, intrinsic property of matter, gravity could merely be understood as the necessary macroscopic manifestation of this microscopic property of matter, being simply the expression of the thermodynamic conservation of energy. A quite peculiar status of Einstein's gravity in this context (as compared to generalized metric theories of gravity) is apparent. A successful microscopic property of matter, is found to necessarily mean in particular the existence of an absolute minimum wavelength for photons, of orders of Planck length.
3 pages
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