Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session G68: Superconducting Qubit Quantum Simulation and Algorithms
11:15 AM–2:03 PM,
Tuesday, March 3, 2020
Room: Four Seasons 4
Sponsoring
Unit:
DQI
Chair: David McKay, IBM TJ Watson Research Center
Abstract: G68.00009 : Quantum simulation of a spin chain with superconducting circuits
Presenter:
Quentin Ficheux
(University of Maryland, College Park)
Authors:
Quentin Ficheux
(University of Maryland, College Park)
Aaron Somoroff
(University of Maryland, College Park)
Nitish Jitendrakumar Mehta
(University of Maryland, College Park)
Roman Kuzmin
(University of Maryland, College Park)
Ivar Martin
(Argonne National Laboratory)
Maxim G Vavilov
(University of Wisconsin - Madison)
Vladimir Manucharyan
(University of Maryland, College Park)
Initial experimental efforts to simulate this model have focused on cold atoms [1] and trapped ion systems [2,3] with limited coupling strength imposed by the laws of nature. Our experiment uses an artificial spin chain made of highly anharmonic fluxonium qubits [4] arranged on a lattice and coupled to one another by mutual inductance. While the transverse magnetic field and on-site energy can be tuned in situ, disorder and coupling strength can be adjusted at will by microfabrication enabling us to reach unprecedented parameter regimes.
A deeper understanding of the competition and resulting transitions between phases of matter could provide insights into the properties of complex materials and more generally into the many-body physics of quantum systems.
[1] Jo, G. et al. Science 325, 1521–1524 (2009).
[2] Friedenauer, A., et al. Nature Phys. 4, 757–761 (2008)
[3] Kim, K. et al. Nature 465, 590–593 (2010).
[4] V. E. Manucharyan, et al. Science 326, 113 (2009).
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