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Jerrold Franklin

Emeritus Professor of Physics

Ph.D., University of Illinois

SERC, Room 460
1925 N. 12th Street 
Philadelphia, PA 19122
856-344-7999
jerry.f@temple.edu


Research Interests

We have studied the structure of the proton and neutron using a relativistic quark-parton model in the nucleon rest frame. The results provide an understanding of deep inelastic scattering and polarization experiments. Questions addressed are the origin of the spin of the nucleons, and the relation of deep inelastic scattering measurements to static properties of nucleons. Properties (masses, magnetic moments, decays) of baryons are calculated in a quark model that does not impose internal symmetries, but achieves the appearance of symmetry where it is appropriate. A good simultaneous fit to baryon magnetic moments and beta decay constants is achieved with the inclusion of a relatively large pion component of baryon wave functions. We have been working on some long-standing fundamental problems in special relativity, and have resolved paradoxes in the interpretation of consequences of special relativity: the `Trouton-Noble' experiment, the `right angle paradox', `Bell's spaceships paradox', and the `Sears paradox'. We are developing methods to treat the acceleration and collisions of rigid bodies in special relativity. We have clarified issues in the definition and calculation of electromagnetic energy and momentum, and shown the absence of `hidden momentum' if the production of electromagnetic momentum is treated consistently. We recently resolved a controversy about the correct form for the force on a magnetic dipole, and also showed that a Lorentz transformation on a neutral current loop does not produce a charged current loop with an electric dipole moment.​

Recent Publications


Classical
Electromagnetism

Understanding Vector Calculus

Solved Problems in Classical Electromagnetism

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TEMPLE UNIVERSITY
COLLEGE OF SCIENCE AND TECHNOLOGY
DEPARTMENT OF PHYSICS


Department of Physics (035-08)
Temple University
1925 N. 12th St.
Philadelphia, PA 19122-1801

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