lecture 34—grand canonical ensemble chapter 9, monday april 7 th
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Lecture 34—Grand canonical ensemble Chapter 9, Monday April 7 th. The Grand canonical ensemble The grand potential Some examples Quiz. Reading: All of chapter 9 (pages 188 - 207) Homework 9 due Wed. Apr. 9th at 5pm Assigned problems, Ch. 9 : 2, 4, 6, 8, 10 - PowerPoint PPT PresentationTRANSCRIPT
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Lecture 34—Grand canonical ensembleLecture 34—Grand canonical ensembleChapter 9, Monday April 7Chapter 9, Monday April 7thth
•The Grand canonical ensemble
•The grand potential
•Some examples
•Quiz
Reading: Reading: All of chapter 9 (pages 188 - 207)All of chapter 9 (pages 188 - 207)Homework 9 due Wed. Apr. 9th at 5pmHomework 9 due Wed. Apr. 9th at 5pmAssigned problems, Assigned problems, Ch. 9Ch. 9: 2, 4, 6, 8, 10: 2, 4, 6, 8, 10Exam 3 next Friday (18th), Chs 8-10Exam 3 next Friday (18th), Chs 8-10Review next week (time/place TBA)Review next week (time/place TBA)
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Microcanonical ensembleMicrocanonical ensembleE, V and N fixedS = kB lnW(E,V,N)
Canonical ensembleCanonical ensemble
T, V and N fixedF = kBT lnZ(T,V,N)
Grand canonical ensembleGrand canonical ensemble
T, V and fixed = kBT ln (T,V,)
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Grand canonical ensembleGrand canonical ensembleGrand partition function:
/. .j j BE N k T
j j jj
e i e E E N
/ /
/
i i B i i B
j j B
E N k T E N k T
i E N k T
j
e ep
e
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Grand canonical ensembleGrand canonical ensembleGrand potential:
lnG Bk T U N TS F N
Gd PdV Nd SdT
, ,
, ,
, ,
ln
ln
ln
BG
V V
BG
T T
BG
T V T V
k TS
T T
k TP
V V
k TN