简介:Aself-consistenthybridMonteCarloFluidmodelispresentedtodescribethenitrogendcglowdischarge.ThemovementoffastelectronsissimulatedbytheMonteCarlomethodwhilethedynamicsofslowelectronsandionsisbyfluidequations.Thespatialfeaturesofthechargedspeciesandthecorrespondingelectricfieldthroughoutthedischargehavebeencalculated,whichincludethecreationratesofionsandslowelectrons,densitiesofthechargedspecies,theelectricfieldandthepotentialdistribution.Thesecloselyrelatedresultscangiveaselfconsistentexplanationofthedischargecharacteristicsthroughoutthespaceofnitrogendcglowdischarge.Thecalculatediondensityisalsocomparedwiththecorrespondingexperimentalresult.
简介:Wepresentintegral-typeDarbouxtransformationforthemKdVhierarchyandforthemKdVhierarchywithself-consistentsources.IncontrastwiththenormalDarbouxtransformation,theintegral-typeDarbouxtransformationscanoffernon-auto-Backlundtransformationbetweentwo(2n+1)-thmKdVequationswithself-consistentsourceswithdifferentdegrees.ThiskindofDarbouxtransformationenablesustoconstructtheN-solitonsolutionforthemKdVhierarchywithself-consistentsources.Wealsoproposetheformulasforthemtimesrepeatedintegral-typeDarbouxtransformationsforbothmKdVhierarchyandmKdVhierarchywithself-consistentsources.
简介:Bilayermembranesself-assembledfromamphiphilicmoleculessuchaslipids,surfactants,andblockcopolymersareubiquitousinbiologicalandphysiochemicalsystems.Theshapeandstructureofbilayermembranesdependcruciallyontheirmechanicalpropertiessuchassurfacetension,bendingmoduli,andlinetension.Understandinghowthemolecularpropertiesoftheamphiphilesdeterminethestructureandmechanicsoftheself-assembledbilayersrequiresamolecularlydetailedtheoreticalframework.Theself-consistentfieldtheoryprovidessuchatheoreticalframework,whichiscapableofaccuratelypredictingthemechanicalparametersofself-assembledbilayermembranes.Inthisminireviewwesummarizetheformulationoftheself-consistentfieldtheory,asexemplifiedbyamodelsystemcomposedofflexibleamphiphilicchainsdissolvedinhydrophilicpolymericsolvents,anditsapplicationtothestudyofself-assembledbilayermembranes.
简介:TheenergybanddiagramandchargedistributionoftheunintentionaldopedAIGaN/GaN/AIGaN/GaNdoubleheterostructurewereobtainedbyself-consistentPoissonSchroedingercalculations.Theseverebandtiltingandhightwo-dimensionalelectrongas(2DEG)densitymainlyattributetothelargeinternalpolarizationintensity,whichisc/osetoalinearfunctionorAlcomposition.TheinfluenceorAlcompositionisinvestigated.Theresultsshowthatbandtiltingenlargesand2DEGgainswithAIcomposition,andtwo-dimensionalholegasoccurswhenAIcompositionreachesacertainextent.TheinfluenceorAlcompositionandtwo-dimensionalholegas(2DHG)ondevicesisdiscussed.