Magnetic field penetration in a plate the penetration equation may be written as ? 2 ? 2

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Magnetic field penetration in a plate the penetration equation may be written as ?²?²B?= B,?where ? is the penetration depth.?

(a) Show that B(x) inside a super conducting plate perpendicular to the x?axis and of thickness ? is given by where Ba, is the field outside the plate and parallel to it; here x = 0 is at the center of the plate.?

(b) The effective magnetization M(x) in the plate is defined by B(x) ? B_a, = 4?M(x). Show that, in CGS, 4?M(x) = ? B_a, (1/8?²) (?² ? 4x²), for ? 0.

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Introduction to Solid State Physics

ISBN: 978-0471415268

8th Edition

Authors: Charles Kittel

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Question Posted: Jan 03, 2011 02:19 AM

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Magnetic field penetration in a plate the penetration equation may be written as ? 2 ? 2

Question:

B(x)= B cosh (x/A) cosh (8/2A)

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dB dx a 1 B this is the London equation The ...View the full answer

Introduction to Solid State Physics

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