<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">Hi Andrew and all,</div><div class=""> I’m familiar with Hestene’s zitter model of the electron, though I don’t follow his Clifford spacetime algebra that he used to derive it from the Dirac equation. Hestenes doesn’t call his helically-circulating (with helical radius hbar/2mc = Lambda-compton/4pi) light-speed charged-particle zitter electron model a spin-1/2 charged photon, but it sounds like it could be one to me. Dirac said in his Nobel lecture: </div><div class=""><br class=""></div><div class="">
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<!--StartFragment--><p class=""><span style="font-size:12.0pt;font-family:Cambria;mso-ascii-theme-font:minor-latin;
mso-hansi-theme-font:minor-latin" class="">“It is found that an electron which seems to
us to be moving slowly, must actually have a very high frequency oscillatory
motion of small amplitude superposed on the regular motion which appears to us.
As a result of this oscillatory motion, the velocity of the electron at any
time equals the velocity of light. This is a prediction which cannot be
directly verified by experiment, since the frequency of the oscillatory motion
is so high and its amplitude is so small. But one must believe in this
consequence of the theory, since other consequences of the theory which are
inseparably bound up with this one, such as the law of scattering of light by
an electron, are confirmed by experiment.” </span><font face="Cambria" size="3" class=""><a href="https://www.nobelprize.org/nobel_prizes/physics/laureates/1933/dirac-lecture.pdf" class="">https://www.nobelprize.org/nobel_prizes/physics/laureates/1933/dirac-lecture.pdf</a> , p322.</font><span style="font-family: Cambria; font-size: 12pt;" class=""> </span></p>
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<!--StartFragment-->
<!--EndFragment--><div class=""> Dirac's electron description also seems consistent with the idea that the electron is a spin-1/2 charged photon. </div><div class=""> Richard</div><br class=""><div><blockquote type="cite" class=""><div class="">On Sep 14, 2017, at 8:57 PM, Andrew Meulenberg <<a href="mailto:mules333@gmail.com" class="">mules333@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="">Dear Richard,<br class=""><br class=""></div>I noticed that you are following Hestenes on researchgate. Have you read his <br class=""><h3 class=""><a href="http://geocalc.clas.asu.edu/pdf/ZBWinQM15**.pdf" class="">Zitterbewegung in Quantum Mechanics <font size="2" class=""><span style="font-weight:normal" class=""><br class="">D. Hestenes, published in: Foundations of Physics, Vol. 40, 1-54 (2010); (also available at</span></font></a><font size="2" class=""> </font><span style="font-weight:normal" class=""><a href="http://geocalc.clas.asu.edu/html/GAinQM.html" class="">http://geocalc.clas.asu.edu/html/GAinQM.html</a>)</span></h3><p class="">If so, I think there are some important points, which we could discuss, that pertain to both photons and electrons. For example, below eq 44:</p><p style="margin-left:40px" class=""><span class="gmail-fontstyle2">"<b class="">S</b> </span><span class="gmail-fontstyle0">cannot be a timelike bivector, though it can be null</span>
"</p><p class="">and</p><p style="margin-left:40px" class="">"<span class="gmail-fontstyle0">for a lightlike particle<i class=""> [a photon]</i> the spin must be a lightlike bivector.</span>"</p><p class="">He doesn't come out and say that electron spin is a spacelike bivector; but, he should. (Perhaps he has done so in another paper?) <br class=""></p><p class="">Once it is recognized that spin is a rotation about a time axis (for all but photons), rather than a space axis, many of the QM problems associated with electrons and their interactions are reduced or eliminated.</p><p class="">Andrew M.<br class=""></p><p class=""><br style="font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px" class=""></p></div>
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