TL;DR
This paper demonstrates quantum synchronization experimentally using IBM Q quantum computers, showing their capability to simulate dissipative quantum systems and revealing the effects of hardware limitations.
Contribution
First experimental demonstration of quantum synchronization on a digital quantum computer, highlighting the potential of current noisy intermediate-scale quantum devices.
Findings
Verified quantum synchronization features
Demonstrated quantum synchronization blockade
Discussed hardware limitations and future requirements
Abstract
We report the first experimental demonstration of quantum synchronization. This is achieved by performing a digital simulation of a single spin- limit-cycle oscillator on the quantum computers of the IBM Q System. Applying an external signal to the oscillator, we verify typical features of quantum synchronization and demonstrate an interference-based quantum synchronization blockade. Our results show that state-of-the-art noisy intermediate-scale quantum computers are powerful enough to implement realistic dissipative quantum systems. Finally, we discuss limitations of current quantum hardware and define requirements necessary to investigate more complex problems.
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