基于雙量子點分子實現(xiàn)DEUTSCH-JOZSA算法的研究.pdf

1、華東師范大學(xué)碩士學(xué)位論文基于雙量子點分子實現(xiàn)DEUTSCHJOZSA算法的研究姓名：杜瓊申請學(xué)位級別：碩士專業(yè)：光學(xué)指導(dǎo)教師：劉金明20100401Absn丑ctAbstractQuantuminfomationscienceisanewsIlbjectcombiningquantummechallicsaIldclassicalinfo硼ationtheo哆Itmainlyincludes研obraIlches，n鋤ely’quant

2、lJmcomm蚰icationandquantumcomputation【metoquanmmsupe叩ositionp訂ncipleandentaIl酉鋤entpropenies，quantumcomputercansolVecenainproblemsquicl(1ycomparedwithitsclassicalcounte叩art，whichshowsmatquaJltumcomputerhaspowermlabilityfor

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4、attractsmuchattentionofscientistsandhasbecomeoneofthemostpossiblecandidatesforindeedrealizingquantu】[IlcomputationWepresentaschemeforimpl鋤entingtheDeutsch—JozsaalgorithmwithdoublequantumdotmoleculesInmescheme，qubitisenco

5、dedonthesingletstateIs)=0個上)一山個))／壓andthet^pletstateI丁)=0個、1)I山個))／√至。f觚。electronspinstatesindoublecoupledquantumdotsAndCoulombinteractionbetweentwoqubitscanbeeffectiVelyreducedt0theformoftheIsin哥modelinteractionItisShow

6、nfromthedefiniteanalysesofthephysicalparametersthatourschememi曲tbeexp甜mentallyrealizablewiththepresentdouble—dotm01eculetectuliquesEncodingqubitsonthesingletstateandthetripletstatecanprotectqubits舶mlow—eequeIlcynoiseands

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