Article View: sci.physics.relativity
Article #7787Re: Relativity and QM
From: John Anderson
Date: Tue, 11 Nov 2003 02:25
Date: Tue, 11 Nov 2003 02:25
45 lines
3029 bytes
3029 bytes
Dio wrote: > John Anderson <3FAEFDAE.3B88E55F@attglobal.net>... > > >You don't seem to know much about the issues that you're > > giving opinions about. Special relativity and QM have been successfully > > > >integrated for over 50 years. Quantum Electrodynamics is a relativistic > >quantum theory of electrons and the EM field that has held up > >to very high precision experimental scrutiny. > > CUT > > It is this simple, renormalizable structure of the Standard Model that has > let us derive specific quantitative pridications for experimental results, > predictions the success of which has confirmed the validity of the theory. > > In particular, the principle of renormalizability, together with various > symmetry principles of the Standard Model, rules out unobserved processes > and forbids the neutrinos from having masses. Why does renormalizability prevent neutrinos from having mass?They can have masses in the standard model. > > > Physicists commonly used to believe that for a quantum field theory to have > any validity, it had to be renormalizable. This requirement was a powerful > guide to theorists in formulating the Standard Model. > > It was terribly disturbing that it seemed impossible, for fundamental > reasons, to formulate a renormalizable quantum field theory of gravitation. Please explain. There is no fundamental reason why they're can't be "a renormalizable quantum field theory of gravitation". No one has ever derived such a theory, but that doesn't mean that anyone has shown that it can't be done. I deleted the rest of your posting because it contains more physics terminology than knowledge of what the terminology means. John Anderson
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10a86d,9423f3793e19a223 X-Google-Attributes: gid10a86d,public X-Google-Thread: 10f545,9423f3793e19a223 X-Google-Attributes: gid10f545,public X-Google-ArrivalTime: 2003-11-10 18:27:04 PST Message-ID: <3FB0487C.AC6032C8@attglobal.net> Date: Mon, 10 Nov 2003 21:25:01 -0500 From: John Anderson <ande452@attglobal.net> Reply-To: ande452@attglobal.net X-Mailer: Mozilla 4.03 [en] (Win95; U) MIME-Version: 1.0 Newsgroups: sci.physics.relativity,it.scienza Subject: Re: Relativity and QM References: <QEgrb.440012$R32.14615351@news2.tin.it> <3FAEFDAE.3B88E55F@attglobal.net> <IrLrb.99$hV.3531@news2.tin.it> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit NNTP-Posting-Host: 129.37.159.225 X-Trace: 11 Nov 2003 02:31:22 GMT, 129.37.159.225 Organization: Global Network Services - Remote Access Mail & News Services Lines: 46 X-Complaints-To: abuse@prserv.net Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!nntp.theplanet.net!inewsm1.nntp.theplanet.net!zen.net.uk!newsr2.u-net.net!newsfeed.uk.prserv.net!newsfeed2.us.prserv.net!prserv.net!news1.prserv.net!129.37.159.225 X-Received-Date: Tue, 11 Nov 2003 02:27:04 GMT (newsr2.u-net.net)