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Page 51
... result holds good only when there is a linear relation between D and E. We shall write out also , for future reference , formulae for the entropy density S and the chemical potential ( , which follow from ( 10.15 ) : S = OF - ( 37 ) , D ...
... result holds good only when there is a linear relation between D and E. We shall write out also , for future reference , formulae for the entropy density S and the chemical potential ( , which follow from ( 10.15 ) : S = OF - ( 37 ) , D ...
Page 80
... result is S ( E + grad 4 ) · SD dV + § ( Žo− $ ) 8D • df = 0 . Hence we conclude that , throughout the volume , we must have E = -grad & ( and so curl E = 0 ) , and on the surface of a conductor = 40 = constant . These are the correct ...
... result is S ( E + grad 4 ) · SD dV + § ( Žo− $ ) 8D • df = 0 . Hence we conclude that , throughout the volume , we must have E = -grad & ( and so curl E = 0 ) , and on the surface of a conductor = 40 = constant . These are the correct ...
Page 131
... result : - SF = −√dμ H2dV / 8π . ( 31.9 ) In §14 we used this formula to deduce that the dielectric susceptibility of any substance is positive . In the magnetic case we cannot draw this conclu- sion , and the magnetic susceptibility ...
... result : - SF = −√dμ H2dV / 8π . ( 31.9 ) In §14 we used this formula to deduce that the dielectric susceptibility of any substance is positive . In the magnetic case we cannot draw this conclu- sion , and the magnetic susceptibility ...
Contents
Notation X | 1 |
2 The energy of the electrostatic field of conductors | 3 |
3 Methods of solving problems in electrostatics | 9 |
Copyright | |
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angle anisotropy atoms averaging axes axis body boundary condition calculated charge circuit co-ordinates coefficient components conducting conductor constant corresponding cross-section crystal Curie point curl H current density cylinder denote depends derivative determined dielectric permeability diffraction dipole direction discontinuity distance effect electric field electromagnetic electrons electrostatic ellipsoid equation div expression external field ferroelectric ferromagnetic field H fluid flux force formula free energy frequency function given gives grad H₂ Hence incident induction integral isotropic Laplace's equation layer linear macroscopic magnetic field magnetic moment magnetisation magnitude Maxwell's equations medium metal normal obtain optical particle perpendicular piezoelectric plane polarisation PROBLEM propagation properties pyroelectric quantities refraction relation respect result rotation scalar scattering SOLUTION sphere suffixes superconducting surface symmetry tangential temperature theory thermodynamic potential tion unit volume values variable velocity wave vector wire z-axis zero