Конспект лекций по статистической физике. Коренблит С.Э - 166 стр.

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0.8 0.9 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9
10
0
10
20
30
40
50
60
70
r/σ
.
1.0 2.0
_____________________
Φ
(r)
(0.1ε)
-1
0.6
0.4
0.2
0
0.2
0.4
.
_____________________
10
10
101
2
3
ab
T
T
kT/ε=
λ
-1
3
(2πr
0
/
3)
=
λ)
T
(
B(T)
-1 
                                    |166|
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¥£® ¯®«­ãî ¢­ãâ७­îî í­¥à£¨î ¨ ¤ ¢«¥­¨¥.
21.4. „«ï £ § N ¬ áᨢ­ëå ç áâ¨æ ¢ ï騪¥ ®¡ê¥¬®¬ V , á ®¤­®à®¤­®©
ä㭪樥© ¬¥¦¬®«¥ªã«ïà­®£® ¢§ ¨¬®¤¥©á⢨ï (fqg) á⥯¥­¨ n ­ ©â¨ ®¡-
騩 ¢¨¤ áâ âá㬬ë, ᢮¡®¤­®© ¨ ¢­ãâ७­¥© í­¥à£¨¨, í­âய¨¨ ¨ ¤ -
¢«¥­¨ï: ZN (T; V ); FN (T; V ); SN (T; V ); UN (T; V ); PN (T; V ). à®¢¥à¨âì â¥-
®à¥¬ã ¢¨à¨ « (15.13) ¨ ®¡é¥¥ ᨬ¯â®â¨ç¥áª®¥ ¯®¢¥¤¥­¨¥ áâ â¨áâ¨ç¥-
᪮© áã¬¬ë ¯à¨ N ! 1, ®¡ãá«®¢«¥­­®¥ ¤¤¨â¨¢­®áâìî ᢮¡®¤­®© í­¥à-
£¨¨: ZN (T; V ) =) [ (T; v)]N , v = V=N , { 㤥«ì­ë© ®¡ê¥¬ ([24] N 26).
21.5. ®«ãç¨âì ⥮६㠢¨à¨ « áâ â¨áâ¨ç¥áª®© ¬¥å ­¨ª¨ (15.33) ¬¥â®-
¤®¬ ®£®«î¡®¢ , ¨áå®¤ï ¨§ (15.34), (15.35), (15.36).
21.6. ®ª § âì, çâ® (15.23) ᢮¤¨âáï ª à á¯à¥¤¥«¥­¨î ®«ìæ¬ ­ (6.37)
¢ á«ãç ¥ ¢­¥è­¥£® ¯®«ï (15.6).
                70
                                                                                                               0.4
                                                                             .                                                                            .
                60                                                                                                          T
                                                                                                                                 T ab
                                                                                                               0.2
                                                                                 T ( λ) = (2πr03 /3) -1 B(T)




                50
(0.1ε)-1Φ (r)




                40
                                                                                                                0    _____________________


                30


                20                                                                                             0.2

                10
                                                                                                               0.4
                     _____________________
                0

                10                                                                                             0.6
                     0.8 0.9 1.0   1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0                                           1          10                 10 2       103
                                                                                                                                              -1
                                               r/σ                                                                                      kT/ε= λ
¨á.            15.1.   ®â¥­æ¨ «  r ‹¥­­ ठ-         ()                        ¨á.                           15.2.   ‚â®à®© ¢¨à¨ «ì­ë© ª®íää¨æ¨¥­â
„¦®­á            \(6-12)" (15.43) (¤«ï           ¯à¨   = 10     B (T ) (15.49) ¢ ¥¤¨­¨æ å 2r03=3 ¤«ï ¯®â¥­æ¨-
=1           ). ˆ¬¥¥â ­ã«ì ¯à¨ r        , ¨ ¬¨­¨¬ã¬=            « ‹¥­­ ठ- „¦®­á (15.43) (¨á. 15.1),
( ) =     r0     , ¯à¨ r0    1=6       =2
                                   , £¤¥ 1=6 : .      2  1 122 ¥£® £àã¡®¥ ¯à¨¡«¨¦¥­¨¥ Bab(T ) (15.41) á
                                                                 ¨
                                                                                  ⮩ ¦¥ ⥬¯¥à âãன ®©«ï ¨ ¬ ªá¨¬ã¬®¬,
                                                                                  ¤«ï ¬®¤¥«ì­®£® ¯®â¥­æ¨ « ⨯ (4.8).

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