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quant-ph2026
Variationally Optimized Imaginary-time Polynomial Filters for Ground State Projection
Bahman Seifi, Ibsal Assi, J. P. F. LeBlanc
In this work, we develop a variational imaginary-time evolution (ITE) framework based on polynomial filtering, derived from an operator-level action principle, which yields an opti…
quant-ph2026
A Variational Framework for Time-Dependent Quantum Systems with Applications to Floquet Hamiltonians
Ibsal Assi, Meenu Kumari, J. P. F. LeBlanc
We introduce a variational framework for approximating the time-evolution operator within a physically motivated operator manifold, reformulating quantum dynamics as a…