Time-dependent transport through quantum dot in dissipative environments

Jung Hyun Oh, Hyuk Jae Lee, S. W. Hwang, D. Ahn

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Time-dependent currents through a quantum dot are investigated theoretically by adopting the geometry of radio-frequency single-electron transistors. Using the formalism taking non-adiabatic and dissipative-environment effects into account, we solve the problem numerically and find that tunneling currents through the quantum dot have larger values in non-adiabatic cases than in adiabatic ones. Even though a coaxial-cable resistance of 50 Ω in a tank circuit is much smaller than a resistance quantum, the system is found to become dissipative as the quality factor increases.

Original languageEnglish
Pages (from-to)S589-S593
JournalJournal of the Korean Physical Society
Issue numberSUPPL.
StatePublished - Dec 2004


  • Dissipative environment
  • Single-electron transistor
  • Time-dependent transport


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