Lie transformation method on quantum state evolution of a general time-dependent driven and damped parametric oscillator

TL;DR

This paper introduces an algebraic method using Floquet U-transformation and Lewis-Riesenfeld invariants to exactly solve the quantum and classical dynamics of a general driven and damped parametric oscillator, enhancing control over dissipative quantum systems.

Contribution

It develops a novel algebraic approach combining Floquet U-transformation with invariant parameters to solve and control time-dependent quantum oscillators with damping.

Findings

Exact solutions for driven and damped parametric oscillators.

Enhanced parametric control of quantum state evolution.

Application to various quantum control models.

Abstract

A variety of dynamics in nature and society can be approximately treated as a driven and damped parametric oscillator. An intensive investigation of this time-dependent model from an algebraic point of view provides a consistent method to resolve the classical dynamics and the quantum evolution in order to understand the time-dependent phenomena that occur not only in the macroscopic classical scale for the synchronized behaviors but also in the microscopic quantum scale for a coherent state evolution. By using a Floquet U-transformation on a general time-dependent quadratic Hamiltonian, we exactly solve the dynamic behaviors of a driven and damped parametric oscillator to obtain the optimal solutions by means of invariant parameters of $K$s to combine with Lewis-Riesenfeld invariant method. This approach can discriminate the external dynamics from the internal evolution of a wave packet by producing independent parametric equations that dramatically facilitate the parametric control on the quantum state evolution in a dissipative system. In order to show the advantages of this method, several time-dependent models proposed in the quantum control field are analyzed in details.