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1、REVIEWSOFMODERNPHYSICS,VOLUME82,APRIL–JUNE2010FeshbachresonancesinultracoldgasesChengChinDepartmentofPhysicsandJamesFranckInstitute,UniversityofChicago,Chicago,Illinois60637,USARudolfGrimmCenterforQuantumPhysicsandInstituteofExperimentalPhysics,UniversityofInnsbruck,Technikerstraße25,6020Innsb
2、ruck,AustriaandInstituteforQuantumOpticsandQuantumInformation,AustrianAcademyofSciences,Otto-Hittmair-Platz1,6020Innsbruck,AustriaPaulJulienneandEiteTiesingaJointQuantumInstitute,NationalInstituteofStandardsandTechnologyandUniversityofMaryland,100BureauDrive,Gaithersburg,Maryland20899-8423,USA
3、Published29April2010Feshbachresonancesaretheessentialtooltocontroltheinteractionbetweenatomsinultracoldquantumgases.Theyhavefoundnumerousexperimentalapplications,openingupthewaytoimportantbreakthroughs.ThisreviewbroadlycoversthephenomenonofFeshbachresonancesinultracoldgasesandtheirmainapplic
4、ations.ThisincludesthetheoreticalbackgroundandmodelsforthedescriptionofFeshbachresonances,theexperimentalmethodstoÞndandcharacterizetheresonances,adiscussionofthemainpropertiesofresonancesinvariousatomicspeciesandmixedatomicspeciessystems,andanoverviewofkeyexperimentswithatomicBose-Einsteincon
5、densates,degenerateFermigases,andultracoldmolecules.DOI:10.1103/RevModPhys.82.1225PACSnumbers:03.75.b,34.50.Cx,67.85.dCONTENTSa.WhatisthemagneticÞeldrangetobeexplored?1245b.WhatistherequiredmagneticÞeldI.Introduction1226resolution?1246A.UltracoldgasesandFeshbachresonances:Scopeofc.Howtotra
6、patomsforcollisionstudies?1246thereview1226d.HowlowatemperatureisneededtoB.BasicphysicsofaFeshbachresonance1226observetheresonances?1246C.Historicalremarks12282.Inelasticlossspectroscopy1246II.TheoreticalBackground12293.Elasticcollisions1247A.Basiccollisionphysics12294.RadiativeFeshbachspectro
7、scopy12471.Collisionchannels12305.Bindingenergymeasurements12482.Collisionrates1231B.Homonuclearalkali-metalsystems12483.Resonancescattering12311.Lithium1249B.Basicmolecularphysics12332.Sodium12501.vanderWaalsboundstatesandscattering123
