Reversing unknown quantum processes via virtual combs for channels with limited information
The inherent irreversibility of quantum dynamics for open systems poses a significant barrier
to the inversion of unknown quantum processes. To tackle this challenge, we propose the …
to the inversion of unknown quantum processes. To tackle this challenge, we propose the …
Inferring the arrow of time in quantum spatiotemporal correlations
We consider how to tell the time-ordering associated with measurement data from quantum
experiments at two times and any number of qubits. We define an arrow of time inference …
experiments at two times and any number of qubits. We define an arrow of time inference …
Exponential Separations between Quantum Learning with and without Purification
In quantum learning tasks, quantum memory can offer exponential reductions in statistical
complexity compared to any single-copy strategies, but this typically necessitates at least …
complexity compared to any single-copy strategies, but this typically necessitates at least …
Quantum Dynamic Programming
We introduce a quantum extension of dynamic programming, a fundamental computational
method for efficiently solving recursive problems using memory. Our innovation lies in …
method for efficiently solving recursive problems using memory. Our innovation lies in …
Separation between Entanglement Criteria and Entanglement Detection Protocols
Entanglement detection is one of the most fundamental tasks in quantum information
science, playing vital roles in theoretical studies and quantum system benchmarking …
science, playing vital roles in theoretical studies and quantum system benchmarking …