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Open quantum dynamics for plant motions.

Dorje C Brody1,2

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Quantum systems and biological systems process information similarly. Open quantum system models can explain how plants adapt to their environment, offering insights into biological information processing and aging.

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Area of Science:

  • Physics
  • Biology
  • Information Theory

Background:

  • Stochastic Schrödinger equations model open quantum systems.
  • Brownian motion in these systems represents information arrival, not noise.
  • Biological systems exhibit optimal environmental cue detection and adaptation.

Purpose of the Study:

  • To postulate information processing as a fundamental natural law.
  • To apply open quantum system models to biological dynamics.
  • To quantify information processing in plants.

Main Methods:

  • Utilizing signal processing equations for quantum dynamics.
  • Developing stochastic models for plant heliotropic and gravitropic movements.
  • Analyzing information erasure to assess computational limits.

Main Results:

  • Demonstrated similarity between quantum and biological information processing.
  • Quantified information processing in plant motion models.
  • Suggested biological systems operate near the Landauer limit.

Conclusions:

  • Information processing is a fundamental aspect of nature.
  • Open quantum system dynamics offer a framework for understanding biological adaptation.
  • Information loss is central to biological aging.