3 papers
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…
quant-ph2025
Beyond Trotterization: Variational Product Formulas for Quantum Simulation
Ibsal Assi, Michael Vogl, Meenu Kumari +1
We propose a variational alternative to the Trotter-Suzuki decomposition that provides greater control over errors while preserving the unitary structure of time evolution. The var…