Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session D09: Quantum Thermodynamics
2:30 PM–5:30 PM,
Monday, March 2, 2020
Room: 106
Sponsoring
Unit:
DQI
Chair: Ruichao Ma, Purdue University
Abstract: D09.00002 : Simulating a quantum heat engine on transmon qubits*
View Presentation
Abstract
Presenter:
Nicholas Materise
(Colorado Sch of Mines)
Authors:
Nicholas Materise
(Colorado Sch of Mines)
Eliot Kapit
(Colorado Sch of Mines)
transmon qubits. This device provides a one-to-one mapping to a fixed nearest-neighbor coupled,
disordered Bose-Hubbard model, with precision control over transitions between the many
body localized (MBL) phase and the thermal or superfluid phase [Nature 566, 51 (2019)].
Our approach expands on a previous MBL engine proposal [Phys.Rev.B 99, 024203 (2019)],
where the adiabatic strokes involve transitions between the two nondegenerate ground states
and first excited states of the MBL and thermal phases. We expect that this choice of energy
levels reduces the likelihood of excursions to higher levels, especially in the case of the ground
states, serving as a prototype for future investigations into studies of MBL as a thermodynamic resource.
*We acknowledge funding support from the National Physical Sciences Consortium graduate fellowship and NSF grant (PHY-1653820)
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