简介：Inthisletter,acomparisonbetweenthreetypes(twolinearandonenonlinear)ofmodelsofskeletalmusclestiffnessisshown.ResultsarecomparedwithexperimentaldataforbicepsbrachiiinthecaseofmusclestretchingandwiththeHillequationforabiologicalmuscle.Itisshownthatresultsfornonlinearstiffnessmodelincaseoflength-forcerelationshipfitstotheexperimentaldata.

简介：Itisalreadyknownthatthereareseveralnonlinearitycriteriasuchasalgebrajcdegree,nonlinearity,distancetolinearstructures,correlationimmune,propagationcriterion,differentialuniformity,whichareusedtocheckwhetheracryptographicfunctionisweakornot,inthispaperwewilldiscussthesecriteriafromavaluationpointofview,andconsiderthelargesttransformationgroupwhichleaveacriterioninvariant,whichisnameditssymmetrygroup.itcanserveasawayofcoparingthestabilityofnonlinearitycriteriaundertheactionofinvertibletransformations.

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简介：BasedontheFenlon‘stheorytheparametriceffectsinfluidsduetothenonlinearinteractionofalowfrequencypumpingwaveandahighfrequencyprobingwaveareanalysed.TheexpressionsofpressureamplitudeofsumordifferencefrequencysidebandandthefromulaofnonlinearityparameterB/Aforlossymediumarederived.Theoreticalcalculationdemonstrated,thatthesidebandcomponentsincreaselinearlywithpumpsignal.Therefore,amethodfordeterminationofB/Aisprovidedandtheval-uesforseveralbiologicalfluidsandmixturesaremeasured.

简介：Thisstudypresentsageneralapproachtoderivetheacousticnonlinearityparametersinducedbyvarioustypesofdislocationconfigurationsincludingdislocationstrings（monopoles）,dislocationdipoles,dislocationpileupsandextendeddislocations.Itisfoundthatexpressionsoftheacousticnonlinearityparameterinducedbysuchavarietyofdislocationcon-figurationsshareacommonmathematicalform.Theyareallscaledwith（Lch/b）n,whereLchisacharacteristiclengthofthedislocationconfiguration,bisthemagnitudeoftheBurgersvector,andniseither3or4.Semiquantitativeanalysisispresentedtocomparethemagnitudesoftheacousticnonlinearityparametersamongdifferenttypesofdislocationconfigurations.

简介：我们为为一个洞模式认识到Kerr类型非线性建议一个计划。在计划，洞模式散地与一个单个三水平的原子交往。Undercertain条件，洞地的进化，从自由的原子度的decoupled，对应于克尔效果。计划能被概括为二个洞模式实现cross-Kerr效果andtwo-qubit阶段门。

简介：WeaddresstheimpactofnonlocalityinthephysicalfeaturesexhibitedbysolitonssupportedbyKerr-typenonlinearmediawithanimprintedopticallattice.WediscussthesolitonssolutionforaclassofnonlinearSchr¨odingerequationsintheopticallatticewithnonlocalnonlinearity.Wealsoshowviaauniformprioriestimatethatexistenceanduniquenessoftheglobalsolutionfortheinitialproblem.

简介：Thispaperisconcernedwiththeharmonicequation(P_(■ε)):?u=0,u>0inB~nand?u/?ν+((n-2)/2)u=((n-2)/2)Ku~(n/(n-2)■ε)onS~(n-1)whereB~nistheunitballinR~n,n≥4withEuclideanmetricg_0,?B~n=S~(n-1)isitsboundary,KisafunctiononS~(n-1)andεisasmallpositiveparameter.Weconstructsolutionsofthesubcriticalequation(P_(-ε))whichblowupatonecriticalpointofK.WegivealsoasufficientconditiononthefunctionKtoensurethenonexistenceofsolutionsfor(P_(-ε))whichblowupatonepoint.Finally,weproveanonexistenceresultofsinglepeakedsolutionsforthesupercriticalequation(P_(+ε)).

简介：在这份报纸，我们与一条很一般的生长法律和驾驶M的散开$$\frac应付模特儿{{\partialu(t，x)}}{{\partialt}}=D\Delta(\frac{{u(t，吗x)}}{{M(t，x)}})+\mu(t，x)f(u(t，x)，M(t，x))为时间依赖者功能M的一般盒子的.$$并且????？？

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简介：TheelectricalnonlinearityofsiliconmodulatorsbasedonreversedPNjunctionswasfoundtoseverelylimitthelinearityofthemodulators.Thiseffect,however,wasinadvertentlyneglectedinpreviousstudies.Consideringtheelectricalnonlinearityinsimulation,a32.2dBdegradationintheCDR3(i.e.,thesuppressionratiobetweenthefundamentalsignalandintermodulationdistortion)ofthemodulatorwasobservedatamodulationspeedof12GHz,andthespuriousfreedynamicrangewassimultaneouslydegradedby17.4dB.ItwasalsofoundthatthelinearityofthesiliconmodulatorcouldbeimprovedbyreducingtheseriesresistanceofthePNjunction.Thefrequencydependenceofthelinearityduetotheelectricalnonlinearitywasalsoinvestigated.

简介：§I.IntroductionInthispaperwearelookingforsolutionsofthefollowingHamiltoniansystemofsecondorder:wherex=（x1,x2）andVsatisfies（V.1）V:R×R2→RisaC1-function,1-periodicInt,（V.2）Visperiodicinx1withtheperiodT>0,（V.3）V→O,Vx→Oas|x2|→∞,uniformlyin（t,x1）.

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简介：Weexperimentallydemonstrateself-trappingoflight,asaresultofplasmonicresonantopticalnonlinearity,inbothaqueousandorganic(toluene)suspensionsofgoldnanorods.Thethresholdpowerforsolitonformationisgreatlyreducedintolueneasopposedtoaqueoussuspensions.Itiswellknownthattheopticalgradientforcesareoptimizedatoff-resonancewavelengthsatwhichsuspendedparticlestypicallyexhibitastrongpositive(ornegative)polarizability.However,surprisingly,aswetunethewavelengthoftheopticalbeamfromacontinuous-wave(CW)laser,wefindthatthethresholdpowerisreducedbymorethanthreefoldattheplasmonicresonancefrequency.Byanalyzingtheopticalforcesandtorqueactingonthenanorods,weshowtheoreticallythatitispossibletoalignthenanorodsinsideasolitonwaveguidechannelintoorthogonalorientationsbyusingmerelytwodifferentlaserwavelengths.Weperformaseriesofexperimentstoexaminethetransmissionofthesoliton-formingbeamitself,aswellasthepolarizationtransmissionspectrumofalow-powerprobebeamguidedalongthesolitonchannel.Itisfoundthattheexpectedsyntheticanisotropicpropertiesaretoosubtletobeclearlyobserved,inlargepartduetoBrownianmotionofthesolventmoleculesandalimitedorderingregionwheretheopticalfieldfromtheself-trappedbeamisstrongenoughtoovercomethermodynamicfluctuations.Theabilitytoachievetunablenonlinearityandnanorodorientationsincolloidalnanosuspensionswithlow-powerCWlaserbeamsmayleadtointerestingapplicationsinall-opticalswitchingandtransparentdisplaytechnologies.

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简介：Theevolutioncharacteristicsofamatter-wavebrightsolitonareinvestigatedbymeansofthevariationalapproachinthepresenceofspatiallyvaryingnonlinearity.Itisfoundthattheatomdensityenvelopeofthesolitonischangedasaresultofthespatialvariationofthes-wavescatteringlength.Thestablesolitoncanexistinappropriateinitialconditions.Themovementofthesolitondependsonthesignandvalueofthecoefficientofspatiallymodulatednonlinearity.Thesetheoreticalpredictionsareconfirmedbythefullnumericalsimulationsoftheone-dimensionalGross-Pitaevskiiequation.

简介：Themodulationinstabilityofquasi-plane-waveopticalbeamsisinvestigatedintheframeofgeneralizedSchrodingerequationwiththenonlineartermofageneralform.Generalexpressionsarederivedforthedispersionrelation,thecriticaltransversespatialfrequency,aswellastheinstabilitygrowthrate.Theanalysisgeneralizestheknownresultsreportedpreviously.Adetaileddiscussiononthemodulationinstabilityinbiasedcentrosymmetricphotorefractivemediaisalsogiven.

简介：这份报纸描述分析、数字的方法与对称的橡皮和惯性非线性分析一个振荡器的稳定的州的周期的反应。homotopy不安方法(HPM)和调用max-min途径的一个古老的中国方法的新实现被介绍获得一个近似答案。主要担心是在由检验他们的能力建立在系统参数的某个范围以内预言系统反应估计这些近似方法的精确性一实际(数字)答案。因此，分析结果与数字结果相比说明建议方法的有效性和便利。关键词非线性的摆动-homotopy不安方法(HPM)-max-min途径(MMA)-Rung-Kutta方法(R千米；公里)-大振幅免费颤动

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