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quant-ph2025
Closed-Form Generators for Perturbative Transformations in Static and Periodically Driven Quantum Systems
Leander Reascos, Giovanni Francesco Diotallevi, Mónica Benito
We introduce a unified framework for the practical implementation of perturbative transformations that overcomes the limitations of existing construction methods. The central resul…
quant-ph2024
SymPT: a comprehensive tool for automating effective Hamiltonian derivations
Giovanni Francesco Diotallevi, Leander Reascos, Mónica Benito
The Schrieffer-Wolff transformation (SWT) is a foundational perturbative method for deriving effective Hamiltonians in quantum systems by systematically eliminating couplings betwe…