ChinaFocus:Chinesescientistsachievesignificantadvancementinquantumsimulationtechnology_GuangmingOnlineChinaFocus:ChinesescientistsachievesignificantadvancementinquantumsimulationtechnologyThisdiagramshowsthenewadvancementinquantumsimulationtechnology,achievedbyaresearchteamfromtheUniversityofScienceandTechnologyofChina(USTC).(USTC/HandoutviaXinhua)BEIJING,May6(Xinhua)--AChineseresearchteamhasrealizedthefractionalquantumanomalousHallstateofphotonsforthefirsttimebyusinganindependentlydevelopedquantumexperimentalsystem,theUniversityofScienceandTechnologyofChina(USTC)saidonMonday.Previously,thefractionalquantumanomalousHallstate,abizarrequantumphenomenon,wasmostlyobservedinelectrons.ButtheUSTCresearchteamusesphotonstosimulateit.Thisbreakthroughinquantumsimulationtechnologyisexpectedtopropeladvancementsinquantumphysicsresearchandquantumcomputing,saidPanJianwei,arenownedChinesequantumphysicistandanacademicianoftheChineseAcademyofSciences(CAS),atapressconference.TheteamfromtheUSTC,ledbyPanandLuChaoyang,hasindependentlydevelopedandnamedanewtypeofsuperconductingqubit,Plasmoniumintheresearch.ThisgroundbreakingachievementhassuccessfullyaddressedtwocrucialchallengesinrealizingthefractionalquantumanomalousHalleffectwithphotons,providingnewmeansforexperimentalobservationandmanipulationofquantum.Thesynthetic,controllable,andmorepowerfulquantumsimulationapproach,whichbreaksfreefromthelimitationsofnaturalsystems,canbeutilizedtoinvestigatefurthermysteriesofquantumstatesandexploretherealizationoffault-tolerantuniversalquantumcomputation,Pansaid.TheHalleffectreferstothephenomenonwhereavoltageisgeneratedperpendiculartothedirectionofboththecurrentandthemagneticfieldwhenacurrentpassesthroughamaterialplacedinamagneticfield.ThiseffectwasdiscoveredbyAmericanscientistEdwinHallin1879andhasbeenwidelyappliedinthefieldofelectromagneticsensing.TheanomalousHalleffectreferstotheobservationofrelatedeffectswithouttheneedforanexternalmagneticfield.In2013,aChineseresearchteamobservedtheintegerquantumanomalousHalleffect.In2023,researchteamsfromboththeUnitedStatesandChinaindependentlyobservedthefractionalquantumanomalousHalleffect.TheconventionalapproachforstudyingthequantumHalleffectinexperimentsinvolvesutilizingtheexistingstructureandpropertiesofspecificmaterialstopreparethequantumHallstate,whichrequiresstringentexperimentalconditionsincludingextremelylow-temperatureenvironments,highpurityoftwo-dimensionalmaterials,andstrongmagneticfields.Furthermore,thetraditionalmethodsfacechallengesinindependentlymanipulatingandmeasuringthemicroscopicquantumstatesofthesystematsingle-pointpositions,limitingtheirapplicationsinquantuminformationscience.Theartificiallyconstructedquantumsystem,onthecontrary,offersaclearandflexiblestructureandprovideresearcherswithgreatercontrolandmanipulationcapabilities,makingitanewparadigmforstudyingcomplexquantumstates,Lusaid.Thissystemdoesnotrequireanexternalmagneticfield.Throughhigh-precisioncontrol,itenablescomprehensivemeasurementsofthemicroscopicpropertiesofhighlyintegratedquantumsystems.Furthermore,itallowsforfurthercontrolledutilizationoftheseproperties,Luadded.Thistypeoftechnologyisknownasquantumsimulationandisanimportantcomponentofthesecondquantumrevolution.Itisexpectedtobeappliedinthenearfuturetosimulatequantumsystemthatiscomputationallychallengingforclassicalcomputers,ultimatelyachievingquantumcomputationalsupremacy.Thisachievementisexpectedtohaveasignificantimpactonthefuturedevelopmentofquantumtechnology,saidChangJin,vicepresidentoftheCAS,atthepressconference."Wehopethatthedevelopmentofquantumtechnologywillcontinuetoadvancethroughtheeffortsoftheglobalscientificcommunityandinternationalcooperation.Bytransformingtheachievementsofrelevantbasicresearchintokeytechnologiesthatdrivesocialprogressandeconomicdevelopment,quantumtechnologywillbecometheinnovativeforceandsourceofnewqualityproductiveforces,"Changsaid."Thisisaremarkableachievement,bothscientificallyandtechnically,andreachingsuchagoalhasbeenoneoftheholygrailsofquantumsimulationformanyyearsinmanylaboratoriesworldwide,"saidPeterZoller,winneroftheWolfPrizeinPhysicsandalsoachairprofessorattheUniversityofInnsbruck.FrankWilczek,aNobellaureateinphysics,praisedthestudyas"averypromisingidea"and"averyimpressiveexperiment"thatrepresents"aremarkablestep"inquantuminformationprocessing.ThestudywaspublishedFridayinthejournalScience.Editor:DisclaimerTheviewsandopinionsexpressedinthisarticlearethoseoftheauthor's,GMW.cnmakesnorepresentationsastoaccuracy,suitability,orvalidityofanyinformationonthissiteandwillnotbeliableforanyerrors,omissions,ordelaysinthisinformation.