Thermal Efficiency of Quantum Memory Compression

Understand

Quantum coherence allows for reduced-memory simulators of classical processes.

• Using recent results in single-shot quantum thermodynamics, we derive a minimal work cost rate for quantum simulators that is quasistatically attainable in the limit of asymptotically-infinite parallel simulation.
• Comparing this cost with the classical regime reveals that quantizing classical simulators not only results in memory compression but also in reduced dissipation.
• We explore this advantage across a suite of representative examples.