arxiv5/19/2026, 2:38:12 AM
Quasistatistics as a Phase-Sensitive Probe for Shortcut-to-Adiabaticity Errors in Quantum WorkCoherence-retaining endpoint work quasistatistics (Kirkwood-Dirac or Margenau-Hill) offer a sharper diagnostic of shortcut-to-adiabaticity (STA) imperfections than standard population-based measures. When a counterdiabatic shortcut is exact, the pulled-back reference Hamiltonian …