兩個(gè)靜電波與磁化等離子體非線性相互作用問(wèn)題的研究.pdf

1、脅夕≥Z乎兩個(gè)靜電波與磁化等離子體非線性相互作用問(wèn)題的研究NonlinearinteractionofMagnetJzedPlasmaWithTwoEiectrostaticWaves郝廣周浙江大學(xué)理學(xué)院物理學(xué)系浙江大學(xué)聚變理論與模擬中心浙江近代物理中心2007年6月AbstractTheproblemofwave—particleinteractionisimportantinastrophysicsaswellasincontrol

2、lednuclearfusionresearchThemotionofachargedparticleinteractionwithallelectrostaticwavepropagatingperpendicularlytoauniformstaticmagneticfieldhasbeenextensivelyinvestigatedpreviouslyandinreferencetotwoelectrostaticwavesBe

3、nistietalproposedanaccelerationmechanismthatreliesonnonlinearinteractionofanionwithapairofbeatingwavesthataretransversetothemagneticfieldandrequiresthatthosefrequenciesdifferbyanintegermultipleofthecyclotronfrequencyWeSt

4、udythenonlinearinteractionofthemagnetizedplasmawithtwoelectrostaticwaveswhicharetransverseuniformmagneticfieldThemaincontentofthispaperisthemlationofthefrequenciesofthetwowaveswiththeenergizedeffectofmagnetizedplasmaWeus

5、ethesingleparticlemodelandfindanewnonlinearresonantaccelerationcriterionanalytical：所q珂哆2Nf2，(朋，刀，Nareintegers，q，吐，Qarethefrequencyofthetwowavesandthechargedparticlecyclotronrespective)，thisresultcanbeextendedtothemultipl

6、ewaves，wemakenumericalsimulationandnumericalresultsareconsistentwiththeanalyticalresultsThispaperconsistssixchaptersInchapter1，Reviewofthepreviousresultsandthesigriificationofwave。particleinteractionAndabriefintroduction

7、ofsomeconcepts、researchmethodsandtheapplicationsofplasmaphysicsInchapter2，weresolvethemotionequationofchargedparticleviaperturbationapproximationtheorygainresultandfindanewresonantaccelerationmechanism，whichincludehigher

8、frequencyandlowerfrequencythanthechargedparticlecyclotronfrequencyInchapter3，NumericalresultsWecalculatetheevolutionbehaviorofthekineticenergyofthesingleparticleandthetotalkineticenergyofsystem，includingthesmallamplitude