Quantum simulation with arrays of transmon qubits: Ising dynamics

ORAL

Abstract

Chains of coupled qubits are known to realize the transverse-field Ising Hamiltonian in the two-level approximation. In this model, the qubit transition frequencies map onto the external magnetic field, so the ground and excited states play the role of spin-up and spin-down atoms. We implement this structure in a planar, on-chip architecture, with a one dimensional linear array of capacitively-coupled transmon qubits, where the two terminal qubits are dispersively coupled to microwave independent resonators for state readout. We present spectroscopic data and describe coherent manipulations in the array.

*This work is supported by the AFOSR.

–

Authors

  • Vinay Ramasesh

    • QNL, University of California, Berkeley

  • Shay Hacohen-Gourgy

    • QNL, University of California, Berkeley

  • Thomas Kiendl

    • Institut for Theoretical Physics, Universit\"at Erlangen-N\"urnberg, Staudtstra{\ss}e 7, D-91058 Erlangen, Germany

  • Florian Marquardt

    • Institut for Theoretical Physics, Universit\"at Erlangen-N\"urnberg, Staudtstra{\ss}e 7, D-91058 Erlangen, Germany
    • University of Erlangen-Nuernberg

  • Nathan Siwak

    • Laboratory for Physical Sciences
    • Laboratory for the Physical Sciences - University of Maryland, College Park

  • Christopher Richardson

    • Laboratory for Physical Sciences
    • Laboratory for the Physical Sciences - University of Maryland, College Park

  • I. Siddiqi

    • Quantum Nanoelectronics Laboratory, Department of Physics, University of California, Berkeley CA
    • QNL, University of California, Berkeley
    • University California Berkeley
    • University of California at Berkeley