Saturday, 28 March 2026

Active Phase Stabilisation in a Plasma Resonator Using Feedback Control and Auxiliary Scalar-like Coupling | Chapter 6 | New Horizons of Science, Technology and Culture Vol. 9

 

Maintaining coherence in resonant plasma and hybrid quantum systems remains a central challenge due to phase drift, environmental coupling, and entropy production. In this work, we investigate an active coherence locking framework for a plasma-based resonator using feedback-mediated phase control, auxiliary scalar field coupling, and entropy-aware regulation. The present study focuses explicitly on classical phase coherence, defined here as sustained phase synchronisation between coupled oscillatory degrees of freedom, while treating quantum coherence as a long-term target rather than a demonstrated property of the modelled system.

 

A phenomenological scalar field is introduced as an auxiliary control channel that mediates phase alignment between resonant plasma modes, while entropy flow is monitored and regulated to suppress destabilising fluctuations. Using time-resolved numerical simulations, we demonstrate that active feedback can rapidly drive the system into a stable phase-locked regime and maintain coherence within defined operational bounds. A critical instability threshold (“tearing threshold”) is identified, beyond which feedback control fails, and coherence degrades.

 

While the underlying plasma dynamics are treated in a classical or semiclassical regime, the control architecture is motivated by concepts from quantum feedback and coherence preservation. The results establish a classical coherence-stabilisation platform that may serve as a precursor to experimentally testable strategies for coherence preservation in more explicitly quantum systems. This work, therefore, provides a controlled bridge between classical resonant stabilisation and future quantum-coherent implementations.

 

 

Author(s) Details

Derrick Covington
Department of Veterans Affairs, United States.

 

Please see the book here :- https://doi.org/10.9734/bpi/nhstc/v9/6896

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