## Course of theoretical physics: Electrodynemics of continuous media |

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Page 226

Thus the equation of motion of the

curl H. (65.4) {it p 41zp To these equations we must add the equation of state P =

P(P,T). (65-5) which relates the pressure, density and temperature of the

Thus the equation of motion of the

**fluid**is Q + (v - grad)v = — {grad P — —l-H Xcurl H. (65.4) {it p 41zp To these equations we must add the equation of state P =

P(P,T). (65-5) which relates the pressure, density and temperature of the

**fluid**, ...Page 228

can picture this by saying that (in the limit a —> co) the lines of magnetic force are

“frozen” in the

proportionally to the extension of the corresponding “

...

can picture this by saying that (in the limit a —> co) the lines of magnetic force are

“frozen” in the

**fluid**and move with it. The quantity H /p varies at every pointproportionally to the extension of the corresponding “

**fluid**line”. If the**fluid**may be...

Page 253

The turbulent dynamo Turbulent motion of a conducting

property that it may lead to spontaneous magnetic fields which are quite strong.

This is called the turbulent dynamo effect. There are always small perturbations ...

The turbulent dynamo Turbulent motion of a conducting

**fluid**has the remarkableproperty that it may lead to spontaneous magnetic fields which are quite strong.

This is called the turbulent dynamo effect. There are always small perturbations ...

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### Common terms and phrases

angle anisotropy anisotropy energy antiferromagnetic atoms axes axis body boundary conditions calculation charge circuit coefﬁcient coefficients components conductor constant coordinates corresponding cross-section crystal Curie point curl H deﬁned deﬁnition denote dependence derivatives determined dielectric diffraction direction discontinuity dissipation domains electric ﬁeld electromagnetic ﬁeld electrons ellipsoid energy ﬂux expression external ﬁeld external magnetic ﬁeld ferroelectric ferromagnet ﬁeld H ﬁnd ﬁnite ﬁrst ﬁrst term ﬂow ﬂuctuations ﬂuid formula free energy frequency function given gives grad Hence incident induction inﬁnite integral isotropic Landau theory layer linear magnetic ﬁeld magnetohydrodynamics magnetostriction magnitude medium normal obtain optical particle permittivity perpendicular perturbation phase plane polarization PROBLEM propagated properties pyroelectric quantities reﬂection refraction relation respect result rotation satisﬁed scattering shock wave signiﬁcance solution sphere superconducting surface symmetry tangential temperature tensor theory thermodynamic potential transition uniaxial upper half-plane values variable velocity volume wave vector z-axis zero