DOI: 10.14704/nq.2012.10.4.574

Bioreaction Quantum Computing without Quantum Diffusion

Kevin Bradley Clark

Abstract


Debate exists over whether or not adherence to quantum statistical mechanics and emulation of quantum information properties are sufficient criteria for biocomputations to be classified as quantum processes. A noteworthy example at the scale of intact life forms making social decisions can be found in “lower” eukaryotes. Ciliates learn to group Ca2+-dependent behavioral strategies into heuristics which they then use to signal mating status after physical contacts from presumed suitors and rivals. The time taken by ciliates to find appropriate strategies stored within behavioral repertoires diminishes with experience. Improvements in strategy search speeds by experts resemble the root-rate performance of Grover’s quantum search algorithm over classical processes. Ciliates putatively implement fast strategy search algorithms by learning to change the reaction kinetics of mechanically activated Ca2+-induced Ca2+ waves that travel through different cellular compartments to preferentially trigger over-learned behavioral sequences. Fire-diffuse-fire models demonstrate wave-conduction velocities most suited for quadratic increases in strategy search speeds are sensitive to limitations imposed by Ca2+ release times and distances between Ca2+ storage sites. These reaction-diffusion computations provide an interesting contrast to physicochemical quantum events described by equations containing quantum diffusion terms, as a modifiable classical diffusion coefficient solely accounts for root-rate processing efficiency. Fast chemical events underlying quantum information processing schemes in live biological systems can thus counter-intuitively exert their effects via thermodynamically vulnerable reaction parameters. The ubiquity and biological importance of intracellular Ca2+-induced Ca2+ cascades across taxa suggests bacteria to mammals might likewise learn to use quantum-level processing when planning and executing behavioral strategies.

NeuroQuantology | December 2012 | Volume 10 | Issue 4 | Page 646-654

Keywords


autocatalytic intracellular Ca2+ waves; Bose-Einstein condensation; fire-diffuse-fire reactions; Grover’s quantum search algorithm; classical and quantum diffusion terms

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