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Macroscopic quantum tunneling in Josephson junctions and squids (Articolo in rivista)
- Type
- Label
- Macroscopic quantum tunneling in Josephson junctions and squids (Articolo in rivista) (literal)
- Anno
- 1999-01-01T00:00:00+01:00 (literal)
- Alternative label
Granata, C (Granata, C); Esposito, E (Esposito, E); Ruggiero, B (Ruggiero, B); Russo, M (Russo, M); Silvestrini, P (Silvestrini, P) (1999)
Macroscopic quantum tunneling in Josephson junctions and squids
in International journal of modern physics b
(literal)
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- Granata, C (Granata, C); Esposito, E (Esposito, E); Ruggiero, B (Ruggiero, B); Russo, M (Russo, M); Silvestrini, P (Silvestrini, P) (literal)
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- ISI Web of Science (WOS) (literal)
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- CNR, Ist Cibernet, I-80072 Arco, Italy
Ist Nazl Fis Nucl, Macroscop Quantum Coherence Grp, I-80126 Naples, Italy (literal)
- Titolo
- Macroscopic quantum tunneling in Josephson junctions and squids (literal)
- Abstract
- We report experiments on energy level quantization in Nb/AlOx/Nb Josephson junctions while measurements on SQUIDs are in prepress. Data on the presence of energy level quantization are shown at temperatures above the classical-quantum regime crossover temperature. This has been possible by extending the measurements of the rate of the escape from the zero-voltage state at higher possible by extending the measurements of the rate of the escape from the zero-voltage state at higher junction dynamics. Data am compatible with extremely low \"effective\" dissipation in our system. Theoretical predictions on quantum effects related to the presence of non-stationary conditions in the potential associated to a rf SQUID are reported in view of new possible experiments. (literal)
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