Gerald E. Marsh

Year: 2017

THE ENIGMA OF SATURN’S NORTH-POLAR HEXAGON

Posted on Posted in Physics

It has been suggested that the north-polar hexagon found on Saturn is an unusual Rossby wave. If this is to be the case, one must not only explain how a Rossby wave can be hexagonal in shape, albeit with curved corners, but also why it is hexagonal rather than in the form of some other polygon. It is likely that a spectrum of Rossby waves with different amplitudes and wavelengths resulting from the velocity profile of the hexagonal jet is responsible for its shape.

 

THE_ENIGMA_OF SATURNS NORTH_POLAR_HEXAGON-Rev 3

https://arxiv.org/pdf/1711.00338.pdf

IIT Colloquium 29 March 2018

Link for Saturn video (3rd slide):

https://www.youtube.com/watch?v=BBQ_rnkqtpk

Letter to UofC Alum Magazine

AN INTRODUCTION TO THE STANDARD MODEL OF PARTICLE PHYSICS FOR THE NON-SPECIALIST

Posted on Posted in Books, Physics

This book takes the reader from some elementary ideas about groups to the essence of the Standard Model of particle physics along a relatively straight and intuitive path. Groups alone are first used to arrive at a classical analog  of the Dirac equation. Using elementary quantum mechanics, this analog can be turned into the actual Dirac equation, which governs the motion of the quarks and leptons of the Standard Model. After introduction to the gauge principle, the groups introduced in the beginning of the book are used to give an introduction to the Standard Model. The idea is to give an Olympian view of this evolution, one that is often missing when absorbing the detailed subject matter of the Standard Model as presented in an historical approach to the subject.

Published by World Scientific:

Errata: p. 110, Eq. (A3.3), a right parenthesis is missing after the 1st derivative in the second line of the equation and the exponent “v” in both lines of the equation should be changed to the Greek “nu”; p. 117 has a duplicated paragraph.  Appendix A, p.87, 1st paragraph, line 2:   2.7 X 10^-22 should be 4 X 10^-20.

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