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quant-ph2026
Bounds on adiabatic path geometry from the width class of the gap profile
Mancheon Han, Sangkook Choi
In an adiabatic evolution, the wave function follows the path of ground states of a Hamiltonian as is tuned from to . The geometry of this adiaba…
quant-ph2026
Mitigating Trotter Errors via Post-Processed Symmetry Restoration
Sangjin Lee, Sangkook Choi
Quantum simulation is a powerful tool for exploring complex quantum many-body systems such as condensed matter physics and gauge theories. Trotterization, which approximates the id…
quant-ph2026
qSHIFT: An Adaptive Sampling Protocol for Higher-Order Quantum Simulation
Sangjin Lee, Sangkook Choi
Early fault-tolerant quantum computers are expected to support reliable but depth-limited quantum circuits, while classical computational resources remain available. These conditio…