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2020 ◽  
Author(s):  
Art Davis
Keyword(s):  
Electromagnetic Potentials

A note on Riesz potential

1951 ◽  
Vol 47 (2) ◽  
pp. 436-442 ◽  
Author(s):  
F. C. Auluck ◽  
L. S. Kothari
Keyword(s):  
Electromagnetic Field ◽  
Recent Work ◽  
Quantum Electrodynamics ◽  
Fourier Expansion ◽  
Riesz Potential ◽  
Arbitrary Parameter ◽  
Electromagnetic Potentials ◽  
Longitudinal Part ◽  
Definition Of

The object of the present paper is to discuss the Fourier expansion of the Riesz potential. For this purpose a new definition of the electromagnetic potentials, depending upon an arbitrary parameter α is given. It is shown that this definition is a generalization of the Wentzel potentials in the α-plane, whereas that given by Fremberg (3) is a generalization of the Maxwell potentials. The analysis is applied to the problem of eliminating, in a straightforward way, the longitudinal part of the potential describing the electromagnetic field. The problem of the quantization of the field, based on its Fourier expansion, will be considered in another paper. The recent work of Tomonaga, Schwinger and Dyson, and the regularization process of Pauli has lifted the theory of quantum electrodynamics to a much higher level of rigour and fruitful applicability. All the same, a further study of Riesz potential seems to us of some interest in this field.

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