Thisvolumereportsthemajorpartofthescientificcontributionsofthefirstinternational workshoponSuperconductingNano-ElectronicsDevices(SNED)heldinNapoli,Italy,at theendofMay2001. Theaimoftheworkshopwastofocusonrecentexperimentalandtheoreticalresultsin thefieldofsuperconductingnano-electronicsdevices. Itcombinedphysicswithpresent andfuturetechnologicalapplications:bothfundamentalandappliedaspectswerecovered. SpecialemphasiswasgiventoquantumcoherenceandcomputationusingsmallJosephson junctions,noiseinultrasensitivenanodevicesandpossibilitiesofmakinguseofsupercon- ductivityinvariouson-chipdevices. Withtheseattributesandwithrecognizedinvited speakersintheirspecialtiestheworkshopmanagedtobringtogetheracollectionof scientistsfromnearbybutdistinctresearchcommunities. Thiswaytheatmosphereofthe workshopbecameveryopenanddiscussionswerelivelybothduringandoutsidethe sessions. Thisfreshdiscussionhopefullygaveeveryparticipantalotofnewideasfor furtherworkbackintheirhomeinstitutes. OneofthecentraltopicsintheworkshopwastheuseofdifferentJosephsonjunction configurationsasimplementationsofquantumbits.
Atthetimeoftheworkshopwewere justwaitingforthesecondwaveofbreakthroughsinthisfield:theresultsemergingfrom theparticipatinglaboratoriesoftheworkshopjustatthetimeofthewritingofthispreface perhapsalsoprovetheusefulnessofourworkshop. Anotherfocuswasonvarioustopicsrelatedtoultrasensativedetectors. Theybring quantumlimitationstoapplications,andmanydeviceconceptsareresultsofunderstanding fundamentalandexcitingphenomenainsuperconductivity. Noiseandon-chipcooling wereexplicitlydiscussedinthedetectorsessionsaswell. ThechoiceofthelocationrecognizestheroleandthetraditionsofNapoliespeciallyin thefieldofmacroscopicquantumcoherence,oneofthemainissuesoftheworkshop. It furtherguaranteedtheparticipantsastimulatingatmosphereatthemeeting. Inconclusion,wewishtothanktheIstitutoItalianopergliStudiFilosofici,theIstituto diCiberneticadelConsiglioNazionaledelleRicerche,theUniversityofJyviiskylii,the IstitutoNazionalediFisicaNucleare,theIstitutoNazionalediFisicadellaMateria,the DipartimentoScienzeFisiche,andtheRettoratodell'UniversitadiNapoli"FedericoII" fortheirsupport. ThanksarealsoduetoAirLiquide,CRY,Nanoway,OxfordInstruments, andRaith.
ThisinitiativeisintheframeoftheinternationalactivityofMQC2Association on"MacroscopicQuantumCoherenceandComputing. "WeareindebtedtoC. Granata v vi PREFACE and V. Coratoforscientificassistance,andtoF. Caiazzo,E. DeGrazia,andA. M. Mazzarellafortheirvaluableassistanceinallthetasksconnectedtotheorganizationofthe Workshop. WearealsogratefultoL. Longobardi,A. Monaco,S. Piscitelli,andS. Rombetto forhintsandhelpduringtheWorkshop. ThanksareduetoL. DeFelice,S. Luongo,and V. Sindonifortheorganizationofthesocialevent. J. Pekola B. Ruggiero P. Silvestrini CONTENTS QuantumNondemolitionMeasurementsofaQubit . D. V. Averin BayesianQuantumMeasurementofaSingle-Cooper-PairQubit 11 A. Korotkov lIfNoiseinJosephsonQubits 15 E. Paladino, L. Faoro,G. Falci,and R. Fazio SwitchingCurrentsandQuasi-ParticlePoisoningintheSuperconducting SingleElectronTransistor 25 P. Agren,J. Walter,V. Sch611mann,andD. B. Haviland JosephsonSystemsforQuantumCoherenceExperiments 33 V. Corato,C. Granata, L. Longobardi,M. Russo,B. Ruggiero, andP. Silvestrini SolidStateAnalogueofDoubleSlitInterferometer...43 K. Yu. Arutyunov, T. T. Hongisto,andJ. P. Pekola NoiseandMicrowavePropertiesofSET-Transistors...53 M. Ejrnres,M. T.
Savolainen,andJ. Mygind UseofSmallThnnelJunctionsOperatingatT=0. 3K 63 R. Leoni,M. G. Castellano,F. Chiarello,andG. Torrioli AHystericSingleCooperPairTransistorforSingleShotReadingof 73 aCharge-Qubit A. Cottet,D. Vion,P. Joyez,D. Esteve,andM. H. Devoret SingleCooperPairElectrometerBasedonaRadio-Frequency-SQUID Scheme 87 A. B. Zorin vii viii CONTENTS PossibilityofSingle-ElectronDevicesandSuperconductingCoherence 97 Yu. A. Pashkin, Y. Nakamura,T. Yamamoto,andJ. S. Tsai Frequency-LockedCurrentofCooperPairsinSuperconductingSingle ElectronTransistorwithOhmicResistor...105 S. V. Lotkhov,S. A. Bogoslovsky, A. B. Zorin,andJ. Niemeyer SetupforExperimentsontheSupercurrent-PhaseRelationinBloch Transistors-StatusandPossibleApplications 115 M. Gotz, V. V. Khanin, A. B. Zorin,E. Il'ichev,S. A. Bogoslovsky, andJ. Niemeyer Single-ElectronTransistorsintheRegimeofHighConductance...123 C. Wallisser,B;Limblach,P. yomStein,and R. Schiifer SuperconductingTransistor-EdgeSensorsforTime&EnergyResolved Single-PhotonCountersandforDarkMatterSearches 133 B. Cabrera OptimizationoftheHot-ElectronBolometerandaCascadeQuasiparticle 145 L. Kuzrnin NoiseinRefrigeratingTunnelJunctionsandinMicrobolometers...153 D. V.
Anghel NonequilibriumQuasiparticlesandElectronCoolingbyNormalMetal- SuperconductorTunnelJunctions...165 D. Golubevand A. Vasenko MesoscopicJosephsonJunctionsCoupledtoWeakCoherentFields: AnExampleofReciprocalDetection 175 R. Miglioreand A. Messina DynamicsofSuperconductingInterferometersContainingPi-Junctions 183 V. K. Kornev, I. I. Soloviev, I. V. Borisenko,P. B. Mozhaev, andG. A.
Auflage
Softcover reprint of the original 1st ed. 2002
Sprache
Verlagsort
Zielgruppe
Für Beruf und Forschung
Research
Illustrationen
Maße
Höhe: 254 mm
Breite: 178 mm
Dicke: 15 mm
Gewicht
ISBN-13
978-1-4613-5217-4 (9781461352174)
DOI
10.1007/978-1-4615-0737-6
Schweitzer Klassifikation
Quantum Nondemolition Measurements of a Qubit.- Bayesian Quantum Measurement of a Single-Cooper-Pair Qubit.- 1/f Noise in Josephson Qubits.- Switching Currents and Quasi-Particle Poisoning in the Superconducting Single Electron Transistor.- Josephson Systems for Quantum Coherence Experiments.- Solid State Analogue of Double Slit Interferometer.- Noise and Microwave Properties of SET-Transistors.- Use of Small Tunnel Junctions Operating at T = 0.3 K.- A Hysteric Single Cooper Pair Transistor for Single Shot Reading of a Charge-Qubit.- Single Cooper Pair Electrometer Based on a Radio-Frequency-SQUID Scheme.- Possibility of Single-Electron Devices and Superconducting Coherence.- Frequency-Locked Current of Cooper Pairs in Superconducting Single Electron Transistor with Ohmic Resistor.- Setup for Experiments on the Supercurrent-Phase Relation in Bloch Transistors-Status and Possible Applications.- Single-Electron Transistors in the Regime of High Conductance.- Superconducting Transistor-Edge Sensors for Time & Energy Resolved Single-Photon Counters and for Dark Matter Searches.- Optimization of the Hot-Electron Bolometer and a Cascade Quasiparticle.- Noise in Refrigerating Tunnel Junctions and in Microbolometers.- Nonequilibrium Quasiparticles and Electron Cooling by Normal Metal-Superconductor Tunnel Junctions.- Mesoscopic Josephson Junctions Coupled to Weak Coherent Fields: An Example of Reciprocal Detection.- Dynamics of Superconducting Interferometers Containing Pi-Junctions.- Superconducting Current-Phase Dependence on High-Tc Symmetrical Bicrystal Junctions.- Superconducting Quantum Detector for Astronomy and X-Ray Spectroscopy.- Lifetime of Even-Parity States of a Bloch Transistor.- Magnetic Field Dependence of Retrapping Currents in DC-SQUIDs.- Josephson versus Kondo Coupling at a Quantum Dot with Superconducting Contacts.
