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quant-ph2026
Finite Key Underwater Quantum Key Distribution: Performance Analysis and Improvements
Trevor Thomas, Michael Warnock, Sarah Previte +2
Quantum key distribution (QKD) allows for the establishment of a secret key between two parties, secure against computationally unbounded adversaries. Most experimental and theoret…
quant-ph2026
Exactly solved Schrödinger equations with time-dependent Hamiltonians
Michael Warnock, Antônio Francisco Neto, Pierre-Louis Giscard +2
We present the analytical, exact, explicit, and assumption free formulas for the evolution operators corresponding to four instances of time-dependent Hamiltonians relevant to quan…
quant-ph2025
Multi-Directional Periodic Driving of a Two-Level System beyond Floquet Formalism
Michael Warnock, David A. Hague, Vesna F. Mitrovic
In this manuscript, we introduce an exact expression for the response of a semi-classical two-level quantum system subject to arbitrary periodic driving. Determining the transition…