简介:134Csabranchingpointins-processpathwhichisshowninFig.1.Thebranchingratioisdefinedasfβ=λβ/(λβ+λn).Itcouldbededucedfromtheabundanceof134Baand136Basince136Bagoesthroughbothdecayandneutroncaptureof134Cswhile134Baonlyexperiencesdecaychannel[1].Duetoboth134Baand134Baarepures-processnuclei,thisbranchingpointisagoodapproachtodeterminethes-processparameters.Withtemperaturedependentβ-decayrateof134Cs,thetemperatureofs-processcouldbededuced.
简介:有轨道的一条退化homoclinic轨道的分叉在高维的系统扭动被学习。由在homoclinic轨道附近建立一个本地坐标系统和一张Poincar茅地图,1条鈥揾omoclinic轨道和1鈥損eriodic的存在和唯一转被给。另外考虑了是2鈥揾omoclinic轨道和2鈥損eriodic轨道的存在。在additon,相应分叉表面被给。关键词轨道扭动-Homoclinic分叉-Poincar茅地图先生(2000)题目分类34C23-中国的国家自然科学基础支持的37C29工程(没有:10171044),江苏省的自然科学基础(没有:BK2001024),为中国的教育部的大学关键教师的基础
简介:Westudytheoreticallyhowtoproduceanddetecttheultracoldground-stateCs2moleculefromFeshbachstate.Nu-mericalcalculationsareperformedbysolvingthequantumLiouvilleequationbasedonmultilevelBlochmodel.Theproducingefficiencyreaches55%andthedetectingefficiencyis31%.TheproducinganddetectingefficienciesarecloselyrelatedtotheRabifrequenciesoflaserpulses.Thedecayofrelevantelectronicandvibrationalstatesobviouslyreducestheproducinganddetectingefficiencies.
简介:使用CASSCF/MRCI方法计算了CS+的势能曲线,为了获得更准确的势能曲线,必须对c和s原子采用大基组aug-cc—pCV5Z。测得CS+的振动能级和光谱参数,并与现有的实验值进行比较。这些结果充分支持以前观测的振动能级的结论。
简介:Thedesignofternaryedge-triggeredJKL-typeflip-flopisproposed.ThecomputersimulationandthetestinexperimentalcircuitmadeupwithTTLgateshowthisflip-flophastheexpectedlogicfunctions.
简介:Lowpowerconsumptionisamajorissueinnowadayselectronicssystems.ThistrendispushedbythedevelopmentofdatacenterrelatedtocloudservicesandsoontotheInternetofThings(IoT)deployment.Memoriesareoneofthemajorcontributorstopowerconsumption.However,thedevelopmentofemergingmemorytechnologiespavesthewaytolow-powerdesign,throughthepartialreplacementofthedynamicrandomaccessmemory(DRAM)withthenon-volatilestand-alonememoryinserversorwiththeembeddedordistributedemergingnon-volatilememoryinIoTobjects.Inthelattercase,non-volatileflip-flops(NVFFs)seemapromisingcandidatetoreplacetheretentionlatch.Indeed,IoTobjectspresentlongsleeptimeandNVFFsoffertosavedatainregisterswithzeropowerwhentheapplicationisidle.ThispapergivesanoverviewofNVFFarchitectureflavorsforvariousemergingmemorytechnologies.