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quant-ph2026
Constrained Quantum Imaginary Time in Krylov Space
Daniele Cuomo, Luis Cort Barrada, Michał Studziński +1
We introduce constrained quantum imaginary time evolution (CQITE), extending quantum imaginary time evolution (QITE) to constrained-search dynamics for ground-state preparation wit…
quant-ph2026
Avoided crossings in spin-boson systems: consequences for adiabatic state preparation
Joona Marjamäki, Robert van Leeuwen, Riku Tuovinen
Avoided crossings in the correlated many-body spectrum play a central role in determining the conditions for adiabatic state preparation in interacting quantum systems. We investig…