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Topological Effects in Quantum Mechanics by G. N. Afanasiev (auth.), G. N. Afanasiev (eds.)

By G. N. Afanasiev (auth.), G. N. Afanasiev (eds.)

Among the topics coated during this quantity are the topological results of quantum mechanics, together with Bohm-Aharonov and Aharonov-Casher results and their generalisations; the toroidal moments, anapoles and their generalisations; the numerical research of Tonomura experiments trying out the principles of quantum mechanics; the time-dependent Bohm-Aharonov impact, the thorough learn of toroidal solenoids and their use as potent transmitters of electromagnetic waves; and the topical questions of the Vavilov-Cherenkov radiation. in addition, concrete recommendation is given for the development of magnetic and electrical solenoids and the functionality of experiments at the Bohm-Aharonov influence. additionally, homes of exceptional charge-current configurations and sensible purposes are studied.
Audience: This quantity can be of curiosity to postgraduate scholars and researchers facing new potent resources of electromagnetic waves.

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O''YI-I coth Vo sin 0 f(v, vo), is defined as follows: f(v,vo) ={ exp( -v) sinh Vo for v > vo, exp(-vo) sinh v for v < Vo. We now evaluate the strengths of the EMF corresponding to the potentials vo), 0'1-1 cosh Vo sinh Vo (_ ) exp(-2v) - cos 20 'Y-'Y R cosh 2v - cos 20 ' 8

5) 36 CHAPTER 3. ELECTROMAGNETIC PROPERTIES OF STATIC SOLENOIDS Let div M = o. , inside the solenoid). We conclude that to construct the static regions where M magnetic solenoid of an arbitrary geometrical form it is enough to fill this form with a substance having divergence-free magnetisation [56). An example is a closed uniformly magnetised filament of arbitrary shape. The magnetised rings used in Tonomura's experiments [21] testing the B-A effect are the particular realisations of such a magnetised filament.

Thus when a solenoid moves in a medium the strengths of the EMF extend beyond the solenoid if ('1-1 oj; 1, and they remain enclosed within it if ('1-1 = 1. 3·8 Generalised Helmholtz Coils and All That These considerations were initiated by the papers [76,77,78] which appeared recently and are devoted to the study of the electromagnetic properties of so called Helmholtz coils. However, it has remained unclear to us whether the cancellation of a particular multipole is a curious, yet isolated, fact or is a manifestation of something more general.

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