Quasiparticle poisoning in a single cooper-pair box

J. F. Schneiderman*, P. Delsing, G. Johansson, M. D. Shaw, H. M. Bozler, P. M. Echternach

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We investigate the pheonomenon of quasiparticle poisoning in a single Cooper-pair box (SCB). We have designed, fabricated, and tested an SCB that demonstrates a transition between poisoned and unpoisoned Coulomb staircases, depending on the speed with which the gate charge is swept. Poisoning is shown to be suppressed at moderately high sweep rates. Coulomb staircases were measured for a variety of sweep rates, and quasiparticle tunneling rates were extracted from this data.

Original languageEnglish
Title of host publicationLOW TEMPERATURE PHYSICS
Subtitle of host publication24th International Conference on Low Temperature Physics - LT24
Pages931-932
Number of pages2
DOIs
StatePublished - 2006
Externally publishedYes
EventLOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24 - Orlando, FL, United States
Duration: 10 Aug 200617 Oct 2006

Publication series

NameAIP Conference Proceedings
Volume850
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceLOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24
Country/TerritoryUnited States
CityOrlando, FL
Period10/08/0617/10/06

Keywords

  • Coulomb blockade
  • Quasiparticle
  • SCB

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