Direct Dispersive Monitoring of Charge Parity in Offset-Charge-Sensitive Transmons

30 Jul 2019 Serniak K. Diamond S. Hays M. Fatemi V. Shankar S. Frunzio L. Schoelkopf R. J. Devoret M. H.

A striking characteristic of superconducting circuits is that their eigenspectra and intermode coupling strengths are well predicted by simple Hamiltonians representing combinations of quantum circuit elements. Of particular interest is the Cooper-pair-box Hamiltonian used to describe the eigenspectra of transmon qubits, which can depend strongly on the offset-charge difference across the Josephson element... (read more)

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  • MESOSCALE AND NANOSCALE PHYSICS
  • SUPERCONDUCTIVITY
  • QUANTUM PHYSICS