Experimental Solid State Quantum Simulation Using 1D Superlattice Structures

ORAL

Abstract

Quantum systems exhibit behavior that is difficult to model. One approach is to use configurable quantum systems in which the Hamiltonian can be mapped onto the system of interest. This approach, known as quantum simulation, requires a rich system whose quanta and interactions can be controlled precisely, at the level of single electrons and other degrees of freedom. Here we describe steps toward developing a quantum simulation platform using the complex oxide heterostructure LaAlO3/SrTiO3 by creating systems with features comparable to the mean spacing between electrons. The interface has strong, sign changing, gate-tunable e-e interactions that can influence the quantum ground state. We explore magnetotransport of 1D superlattices, where periodic modulation produces dispersive features not seen in control devices. These results can be compared with effective 1D model Hamiltonians to bridge experiment and theory and enable quantum simulation of more complex systems.

*This work is supported by the Vannevar Bush Faculty Fellowship program sponsored by the Basic Research Office of the ASD(R&E) and funded by the ONR (N00014-15-1-2847). Work at the University of Wisconsin-Madison was supported by the NSF under DMREF (DMR-1629270), AFOSR (FA9550-15-1-0334), and AOARD (FA23

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Presenters

  • Megan Briggeman

    • Physics and Astronomy, Univ of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh

Authors

  • Megan Briggeman

    • Physics and Astronomy, Univ of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh

  • Mengchen Huang

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh

  • Anthony Tylan-Tyler

    • Department of Physics and Astronomy, University of Pittsburgh

  • Jungwoo Lee

    • University of Wisconsin-Madison
    • Department of Materials Science and Engineering, University of Wisconsin-Madison
    • Department of Materials Science and Engineering, University of Wisconsin - Madison

  • Hyungwoo Lee

    • University of Wisconsin-Madison
    • Univ of Wisconsin-Madison
    • University of Wisconsin
    • University of Wisconsin–Madison
    • Department of Materials Science and Engineering, University of Wisconsin-Madison
    • Physics, University of Wisconsin–Madison
    • Department of Materials Science and Engineering, University of Wisconsin - Madison

  • Chang-Beom Eom

    • University of Wisconsin-Madison
    • Univ of Wisconsin-Madison
    • Univ of Wisconsin, Madison
    • Department of Material Science and Engineering, University of Wisconsin-Madison
    • Matls Sci & Eng, University of Wisconsin-Madison
    • University of Wisconsin
    • Department of Materials Science and Engineering, University of Wisconsin-Madison
    • University of Wisconsin–Madison
    • MS&E, University of Wisconsin
    • Physics, University of Wisconsin–Madison
    • Department of Materials Science and Engineering, University of Wisconsin - Madison

  • Patrick Irvin

    • Physics, Univ of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh

  • Jeremy Levy

    • Department of Physics and Astronomy, University of Pittsburgh