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Coulomb blockade of Cooper pair tunneling and parity effects in the Cooper pair transistor | | S. Corlevi
; W. Guichard
; F.W.J. Hekking
; D.B. Haviland
; | | Date: |
15 Jun 2006 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | | Abstract: | We have measured the Cooper Pair Transistor (CPT) in a tunable electromagnetic environment consisting of four one-dimensional SQUID arrays. The transport properties of the CPT in the high impedance limit, Z_env>>R_Q=6.45~kOmega, are studied for different ratios of the Josephson coupling energy to the charging energy. As the impedance of the environment is increased, the current-voltage characteristic (IVC) of the CPT develops a Coulomb blockade of Cooper pair tunneling and the measured IVCs agree qualitatively with a theory based on quasicharge dynamics for a CPT. Increasing the impedance of the environment induces a transition in the modulation of the IVC with the gate charge from e-periodic to 2e-periodic. | | Source: | arXiv, cond-mat/0606407 | | Services: | Forum | Review | PDF | Favorites | |
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