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IET Control Theory and Applications

Quantum optimal control of nuclei in the presence of perturbation in electric field

Quan‐Fang Wang

Published Sep 2, 2009• 8 citations
Publisher

Abstract

The quantum optimal control of nuclei (nucleon and meson) in the presence of perturbations in control field is investigated. The nucleon and meson interaction is given by Klein–Gordon–Schrödinger systems with dissipative and damping terms. A rational physical model is proposed for controlling two particles. Suppose the amplitude of perturbation is bounded, optimal quantum control pairing are found theoretically and computationally. A stable semi-discrete algorithm is developed to execute computational simulations for illustrating the feasibility of theoretic control design.

DOI
10.1049/iet-cta.2008.0292

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The quantum optimal control of nuclei (nucleon and meson) in the presence of perturbations in control field is investigated. The nucleon and meson interaction is given by Klein–Gordon–Schrödinger systems with dissipative and damping terms. A rational physical model is proposed for controlling two particles. Suppose the amplitude of perturbation is bounded, optimal quantum control pairing are found theoretically and computationally. A stable semi-discrete algorithm is developed to execute computational simulations for illustrating the feasibility of theoretic control design.
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Beyond the controlling of molecules and atoms, quantum control step forward to a new era of achieving control at nucleus scale. This work is to attempt the investigation of quantum controlling with the interaction between two heavy particles (e.g. nucleon and meson). The interaction, which expressed as coupled Schrodinger and Klein-Gordon equations, will be the target of controlling. Experiment demonstration illustrate that theoretical study combining with computational control is effected to performance.
Quantum control of elementary particle at nucleon had already been investigated for a couple of decades at the frontier area both in quantum physics and system control. At the nucleus, a kind of control for particles motion had been considered in the form of Klein-Gordon-Schrödinger equation, which is a system describing the Yukawa interaction between nucleon (e.g. proton, neutron) and meson. The aim of this paper is trying to find an external force to act at one of the particles to change the particle from its ground state to reach its exciting state.