(6.1) . q . , .
, . v , v 0 π. (6.2) , .. .
v, , F = q [ v, B ] . , , r :
qvB = mv 2/ r,
r = mv / qB. (7.1)
, .. , ,
T = 2πr / v.
(7.1),
T = 2πm / Bq, (7.2)
.. , (q / m) , , ( v<<). .
v α (. 10), : 1) v = vcosα; 2) v ┴ = vsinα , .
(7.1) ( v v ┴ = vsinα). , .
h = v T = v Tcosα.
(7.2),
h = 2πm vcosα/B | q|.
.10. , , . v α , , r h . .
8. .
. (1855-1938) 1879 ( ) j, , , j ( ).
j , (.11). j () . , . , ( ), ( ). , . , , . eE B= e Δ φ / a = evB; Δ φ = vBa, , Δ φ () .
|
|
, I = jS = nevS (S d, n , v ),
Δ φ = IBa / nead = IB / end = RIB / d, (8.1)
.. , I d.
.11. (8.1) R =1/ en , . : 1) ( ); 2) , . , ( )