Квантовые газы. Налимов М.Ю - 10 стр.

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µ/(kT )
µ 0 x = 0
Z
0
dxx
1/2
(e
x
e
xµ/(kT )
)
(e
xµ/(kT )
1)(e
x
1)
µ
kT
Z
0
dxx
1/2
e
x
(e
x
(1 µ/(kT )) 1)(e
x
1)
µ = 0
µ 0
Z
0
dxx
1/2
e
x
(e
x
(1 µ/(kT )) 1)(e
x
1)
+
Z
0
+
Z
0
!
dxx
1/2
(x µ/(kT ))x
µ = 0 x = 0
x
Z
0
dxx
1/2
(x µ/(kT ))x
=
s
kT
|µ|
Z
0
dy
(y + 1)y
1/2
= 2
s
kT
|µ|
Z
0
du
u
2
+ 1
= π
s
kT
|µ|
x = |µ|y/(kT ) y = u
2
µ 0
δn 3n
0
δT/(2T
0
)
A(kT
0
)
3/2
=
1
Γ(3/2)
π
p
|µ|
kT
0
+ O(
µ
kT
)
µ
Γ
2
(3/2)
π
2
A
2
(kT
0
)
2
δn 3n
0
δT
2T
0
!
2
.
ζ
k
(e
µ/(kT )
)
k
ζ
5/2
(e
µ/(kT )
) + O(
µ
kT
), ζ
1/2
(e
µ/(kT )
)
s
kT
|µ|
+ O(1),