DOC. 4
KINETIC THEORY LECTURE NOTES
185
Dulong
&
Petit
law.
Effect
of external
influences
on
the relative
probability
of
state
regions.
dW
=
const
e
9dp1
....
dpn
Let
us
consider
two
equally
probable
regions
g1
&
g2
of
the state variables.
We
have
then
E
f
e
*dp,
dp
JO
dWz_l
dwx
r
-5
Je "Pl
dpn
za
«1
If
we
now
consider the
same system, except
that
an
additional
term, which
we
shall
denote
by
i|r,[72]
is
added
to
E,
then
we
will have
_(£M0
dW
=
const
e
5r~dp1
....
dpn
[p. 37]
Then
_
(ß
+)
\e~^dp,----dpn
-I
=
tdW
= ~
dW,
-CLig
\e
dp
j
•
• •
dptn
Examples later.[73]
Canonical
distribution
yields
characteristic
properties
also in
the
case
when not
simple
mass
points
but
complicated systems-compound
molecules in particular-are involved.
It
is
best
to
apply
canonical
equations.
L function of
py
&
pv
,
in
the latter
quadratic
We
set
=
qV
L also funct.
of the
pv
&
qv,
in
the latter
quadratic