chap01 - Introduction to Plasma Physics C17 Lecture Notes...

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Introduction to Plasma Physics C17 Lecture Notes John Howard Plasma Research Laboratory Research School of Pysical Sciences and Engineering Australian National University Phone 6249 3751 April 15, 2002
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Contents 1 BASIC PLASMA PHENOMENA 7 1 . 1 Wh a ti sap l a sm a ? .......................... 7 1 . 1 . 1 B a s i cd im en s i on l e s sp a r am e t e r s ............... 8 1 . 1 . 2 C ou l ombf o r c eandth ep l a af r equ cy. ......... 1 0 1 . 1 . 3 D eb y esh i e ld in g........................ 1 2 1.1.4 Saha equilibrium . ...................... 1 4 1.1.5 Collisions ........................... 1 5 1 . 2 P l a aG e r a t i on . ......................... 1 5 1 . 3 Nu c l e a rfu s i on. ............................ 1 6 1.4 Magnetic conFnement . ....................... 1 6 1.5 The H-1N± National ±acility. .................... 2 0 1 . 5 . 1 Th ec o i ls e t .......................... 2 0 1 . 5 . 2 Op e r a t i s........................... 2 0 1 . 5 . 3 C t r o lsy s t em . 2 3 1 . 5 . 4 D a t aa cqu i s i t i 2 3 2 KINETIC THEORY 29 2 . 1 D i s t r ibu t i on± un c t i s ........................ 2 9 2 . 2 Ph a s eSp a c e.............................. 3 0 2 . 3 Th eB o l t zm annEqu a t i 3 1 2 . 4 P l a aM a c r o s c op i cV a r i ab l e s.................... 3 4 2 . 4 . 1 Numb e rd s i t y........................ 3 4 2 . 4 . 2 T ak ga v e r a g e su s gth ed i s t r t i onfun c t i ..... 3 4 2 . 4 . 3 ± i r s tv e l o c i t ym om t .................... 3 4 2 . 4 . 4 S e c ondv e l o c i t t ................... 3 5 2 . 5 M axw e l l -B o l t annD i s t r t i ................. 3 7 2 . 5 . c to ft emp e r a tu r e ................. 3 7 2 . 5 . 2 Th e rm a lp a r t i c l efluxt oaw a l l................ 4 0 2.5.3 Local Maxwellian distribution . ............... 4 1 2 . 5 . 4 Th ee² e c fane l e c t r i cF e ld. ................ 4 1 2 . 6 Qu a s i -n eu t r a l i t y............................ 4 2 2 . 7 K e t i cTh e o ryo fE l e c t r onW a v e s.................. 4 4
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4 2 . 7 . 1 Th eph y s i c so fL and aud amp in g............... 4 8 2.8 Collision Processes . ......................... 4 9 2 . 8 . 1 F okk e r -P l an c kequ a t i on. ................... 4 9 2 . 8 . 2 M e anf r e ep a thandc r o s s - s e c t i on . ............. 4 9 2.8.3 Coulomb collisions . ..................... 5 0 2 . 8 . 4 L i gh ts c a t t e r gf r omch a r g edp a r t i c l e s ........... 5 4 2 . 8 . 5 Nu c l e a rfu s i ........................ 5 4 2 . 8 . 6 Ph o t o i on i z a t i onandex c i t a t i ............... 5 5 2 . 8 . 7 E l e c t r onimp a c ti i z a t i ................. 5 6 2.8.8 Collisions with surfaces. 5 6 2 . 9 F lu idEqu a t i s............................ 5 7 2 . 9 . 1 C t inu i t y—p a r t i c l ec s e rv a t i 5 8 2 . 9 . 2 F idequ a t i ono fm o t i .................. 5 9 2 . 9 . 3 Equ a t i fs t a t e ....................... 6 0 2 . 9 . 4 Th omp l e t es e to fflu a t i s ............. 6 1 2 . 9 . 5 Th l a sm aapp r o x im a t i 6 2 3 GASEOUS ELECTRONICS 65 3 . 1 P l a ainanE l e c t r i cF i e ld. 6 5 3 . 2 R e s i s t iv i t y............................... 6 8 3 . 2 . 1 Ohm i cd i s s ip a t i ...................... 6 9 3 . 3 P l a aD e c a yb yD i±u s i 6 9 3 . 3 . 1 T empo r a lb eh a v i ou r ..................... 7 1 3 . 4 P l a e c a yR e c omb a t i 7 2 3 . 5 P l a aB r e akd own . 7 3 3 . 5 . a s ch en sl aw . 7 7 3 . 6 Th eSh e a th . ............................. 7 8 3 . 7 P l a aP o t t i a landW a l lP o t t i a l ................ 8 3 3 . 8 L gmu i rP r ob e s ........................... 8 3 4 SINGLE PARTICLE MOTIONS 87 4 . 1 In t r odu c t i 8 7 4 . 2 C s t tandUn i f o rmF i e ld s .................... 8 7 4 . 2 . 1 E l e c t r i e ldon ly. 8 8 4 . 2 . a gn e t i e 8 8 4 . 2 . 3 E l e c t r i candm a e t i e s ................. 9 0 4 . 2 . 4 G e r a l i z edf o r c 9 2 4 . 3 T eV a ry gF i e s ......................... 9 3 4 . 3 . 1 S l ow lyv a ge l e c t r i e ld . ................ 9 3 4 . 3 . 2 E l e c t r i e ldw i tha rb i t r a ryt ev a r i a t i ........
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chap01 - Introduction to Plasma Physics C17 Lecture Notes...

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