Riassunto
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.
Contenuti
Preface. Quantum nondemolition measurements of a qubit; D.V. Averin. Bayesian quantum measurement of a single-Cooper-pair qubit; A. Korotkov. 1/f noise in Josephson qubit; E. Paladino, et al. Switching currents and quasi-particle poisoning in the superconducting single electron transistor; P. Agren, et al. Josephson systems for quantum coherence experiments; V. Corato, et al. Solid state analogue of a double slit interferometer; K. Arutyunov, et al. Noise and microwave properties of SET-Transistors; M. Ejrnæs, et al. Use of small tunnel junctions operating at T=0.3K; R. Leoni, et al. A hysteretic single Cooper pair transistor for single shot reading of a charge-qubit; D. Vion, et al. Single Cooper pair electrometer based on a radio-frequency-SQUID scheme; A. Zorin. Possibility of single-electron devices and superconducting coherence; Yu.A. Pashkin, et al. Frequency-locked current of Cooper pairs in superconducting single electron transistor with ohmic resistor; S.V. Lotkhov, et al. Setup for experiment on the supercurrent-phase relation in Bloch transistors status and possible applications; M. Götz, et al. Single-electron transistors in the regime of high conductance; C. Walliser, et al. Superconducting transition-edge sensors for time & energy resolved single-photon counters and for dark matter search; B. Cabrera. Optimization of the hot-electron bolometer and cascade quasiparticle; L. Kuzmin. Noise in refrigerating tunnel junctions and in microbolometers; D.V. Anghel. Nonequilibrium quasiparticles and electron cooling by normal metal-superconductor tunnel junctions; D. Golubev, A. Vasenko. Mesoscopic Josephson junctions coupled to weak coherent fields: an example of reciprocal detection; R. Migliore, A Messina. Dynamics ofsuperconducting interferometers containing pi-junctions; V.K. Kornev, et al. Superconducting current-phase dependance in High-Tc symmetrical bicrystal junction; G.A. Ovsyannikov, et al. Superconducting quantum detector for astronomy and X-ray spectroscopy; A.D. Semenov, et al. Lifetime of even-parity states of a Bloch transistor; J. Männik, et al. Magnetic field dependance of retrapping currents in DC-SQUIDs.S. Saito, et al. Josephson versus Kondo coupling at a quantum dot with superconducting contacts; G. Campagano, et al. Index.
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