Experimental Simulation of Markovian Quantum Processes Using Quantum Collision Models on Trapped-Ion and Superconducting Quantum Computers
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[Submitted on 26 Jun 2026]
Summary
This paper presents experimental simulations of Markovian quantum processes using quantum collision models on both trapped-ion and superconducting quantum computers. The authors overcome previous limitations (1-2 qubits, fewer than 12 time steps) by employing hardware-specific ancilla strategies, achieving simulations with up to seven system qubits (13 total qubits) and 40 time steps. The key finding is that optimal implementation strategy depends strongly on the hardware characteristics of the quantum computer, even for the same physical model.
Source
bskyExperimental Simulation of Markovian Quantum Processes Using Quantum Collision Models on Trapped-Ion and Superconducting Quantum Computersarxiv.orgKey quotes
· 3 pulledHamiltonian dynamics have been widely implemented on noisy intermediate-scale quantum devices in recent years.
Quantum collision models provide a natural approach to this problem by coupling the system to ancillas to realize dissipation.
Our results demonstrate that, even for the same physical model, the optimal implementation strategy depends strongly on the hardware characteristics of the quantum computer.
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