A control protocol of finite dimensional quantum systems using square pules
Jianju Tang, H. C. Fu
TL;DR
This paper proposes control protocols for finite-dimensional quantum systems using square pulses, enabling arbitrary state transitions with analytically determined parameters and constant fields.
Contribution
It introduces two feasible control protocols that achieve target states from initial states using constant fields and analytically linked control parameters.
Findings
Protocols allow arbitrary state control in finite quantum systems.
Control parameters are analytically connected to target state amplitudes.
Feasibility of protocols demonstrated for specific quantum systems.
Abstract
The control protocols of two types of finite dimensional quantum systems are proposed. The feasibility of each protocol is possible and an arbitrary target state can be achieved from initial state by a constant field. The control parameters which are time periods of interaction between systems and control fields in each cycles are connected with the probability amplitudes of target states via trigonometric functions and can be determined analytically.
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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Mechanics and Applications · Quantum optics and atomic interactions