360
DOC.
19
LECTURE ON FLUCTUATIONS
2)
Brownian
motion
vertical
path A
in
time
t
1 1
2^z-A^
2
"(z+A)^
1
dn
2 dz
A2-2
=
9z
In unit
time
-
dn
A2
dz
T
G
dn
A2
-
n
=
0
671 rjP
dz
x
A
G
6tci]D
dlgn dlgn
G
dz dz KT
A2
_
t
KT
6ir~P
[5]
[6]
Radiation.
dw
=
(p(A,t)dA
symmetrical
in
A
At A
*Ai
=+oo
jp(A1,t1)dA1-^(A2f2)dA
Ai
=-oo
Ax
+
A2
=
A
= cp(A,
t)AA
More detailed
discussion
of the
law.
Snhv3
1
Snhv3
ehv,KT
-
1 c
g-hv/kt
[p.
2]
=
+Vdv
Snhv3
dehvlKT
=
Vdvl^-
dp
d