Sabbir Rahman
Jul1-04, 05:46 PM
<jabberwocky><div class="vbmenu_control"><a href="jabberwocky:;" onClick="newWindow=window.open('','usenetCode','toolbar=no, location=no,scrollbars=yes,resizable=yes,status=no ,width=650,height=400'); newWindow.document.write('<HTML><HEAD><TITLE>Usenet ASCII</TITLE></HEAD><BODY topmargin=0 leftmargin=0 BGCOLOR=#F1F1F1><table border=0 width=625><td bgcolor=midnightblue><font color=#F1F1F1>This Usenet message\'s original ASCII form: </font></td></tr><tr><td width=449><br><br><font face=courier><UL><PRE>I wrote a short paper a while ago describing how classical electrodynamics\nmight be derived from the motion of an underlying space-filling relativistic\ncontinuum (which some may wish to interpret as a kind of `luminiferous\naether\'). I have now added a section to that paper (which is work ongoing in\nmy spare time) which describes explicitly how oscillations of the medium\ndescribe the propagation of electromagnetic waves. The paper is here:\n\nhttp://www.seventh-sense-software.com/aether.pdf\n\nSteve Carlip had raised the objection earlier that the medium would have to\nsatisfy a rather complex third order PDE in order for the Lorentz force\nequation to hold, which was therefore less than satisfying. While these\nobjections still hold (how serious they are is possibly a matter of\nopinion), one can still hope that the underlying equations (if and when they\nare found) governing the motion of the relativistic continuum/medium/fluid\nmay actually be much simpler than 3rd order PDE that they are constrained to\nsatisfy. [If anyone succeeds in deriving a satisfactory equation of motion,\nI would be delighted to hear about it].\n\nAs I mention in the paper, the formulation in terms of 4-velocities of a\nmedium contains more information than the standard 4-potential (such as a\nway of potentially incorporating vacuum energy density), which may be\nsignificant for further development of the theory.\n\nBest wishes,\n\nSabbir.\n\n</UL></PRE></font></td></tr></table></BODY><HTML>');"> <IMG SRC=/images/buttons/ip.gif BORDER=0 ALIGN=CENTER ALT="View this Usenet post in original ASCII form"> View this Usenet post in original ASCII form </a></div><P></jabberwocky>I wrote a short paper a while ago describing how classical electrodynamics
might be derived from the motion of an underlying space-filling relativistic
continuum (which some may wish to interpret as a kind of `luminiferous
aether'). I have now added a section to that paper (which is work ongoing in
my spare time) which describes explicitly how oscillations of the medium
describe the propagation of electromagnetic waves. The paper is here:
http://www.seventh-sense-software.com/aether.pdf
Steve Carlip had raised the objection earlier that the medium would have to
satisfy a rather complex third order PDE in order for the Lorentz force
equation to hold, which was therefore less than satisfying. While these
objections still hold (how serious they are is possibly a matter of
opinion), one can still hope that the underlying equations (if and when they
are found) governing the motion of the relativistic continuum/medium/fluid
may actually be much simpler than 3rd order PDE that they are constrained to
satisfy. [If anyone succeeds in deriving a satisfactory equation of motion,
I would be delighted to hear about it].
As I mention in the paper, the formulation in terms of 4-velocities of a
medium contains more information than the standard 4-potential (such as a
way of potentially incorporating vacuum energy density), which may be
significant for further development of the theory.
Best wishes,
Sabbir.
might be derived from the motion of an underlying space-filling relativistic
continuum (which some may wish to interpret as a kind of `luminiferous
aether'). I have now added a section to that paper (which is work ongoing in
my spare time) which describes explicitly how oscillations of the medium
describe the propagation of electromagnetic waves. The paper is here:
http://www.seventh-sense-software.com/aether.pdf
Steve Carlip had raised the objection earlier that the medium would have to
satisfy a rather complex third order PDE in order for the Lorentz force
equation to hold, which was therefore less than satisfying. While these
objections still hold (how serious they are is possibly a matter of
opinion), one can still hope that the underlying equations (if and when they
are found) governing the motion of the relativistic continuum/medium/fluid
may actually be much simpler than 3rd order PDE that they are constrained to
satisfy. [If anyone succeeds in deriving a satisfactory equation of motion,
I would be delighted to hear about it].
As I mention in the paper, the formulation in terms of 4-velocities of a
medium contains more information than the standard 4-potential (such as a
way of potentially incorporating vacuum energy density), which may be
significant for further development of the theory.
Best wishes,
Sabbir.