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From: grl@charm.UUCP (George Lake)
Newsgroups: net.physics
Subject: Re: Limit to the frequency of light?
Message-ID: <683@charm.UUCP>
Date: Wed, 12-Jun-85 09:04:30 EDT
Article-I.D.: charm.683
Posted: Wed Jun 12 09:04:30 1985
Date-Received: Thu, 13-Jun-85 01:52:29 EDT
References: <19900003@hpfcla.UUCP> <674@charm.UUCP>
Organization: Physics Research @ AT&T Bell Labs Murray Hill NJ
Lines: 9

Guess I'd better jump back into the frey.  Special relativity does
allow Lorentz boosts to arbitrarily change the frequency of light.
General relativity must be brought in when the energies approach
the Planck energy or mass-- that of the photon that has been
discussed.
The Hawking radiation time of a Planck mass hole is the Planck time.
That is the same as 1/frequency of the same photon.  It will
not radiate a single photon.  A black hole of Planck mass has much
more entropy than a single photon.