Abstract
A model of a neural-network-like quantum-mechanical system is considered. The role of neurons is played by quantum-mechanical particles which evolve under the action of an external double-well potential. An instanton is used as a spike. Neurons are connected by the interaction potential \({{V}_{{{\text{int}}}}}({{\hat {q}}_{i}},{{\hat {q}}_{j}})\). The connection is directional owing to asymmetry of the interaction potential. Therefore, the complete Hamiltonian of the system is \(\hat {H} = \sum\nolimits_i \left( {\frac{1}{2}\hat {p}_{i}^{2} + {{V}_{0}}({{{\hat {q}}}_{i}})} \right) + \sum\nolimits_{i > j} \,{{V}_{{{\text{int}}}}}({{\hat {q}}_{i}},{{\hat {q}}_{j}})\). The system is investigated by the path integral Monte Carlo (PIMC) method. It is shown that with a certain choice of parameters in this system it is possible to transfer activity in long chains of neurons.
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ACKNOWLEDGMENTS
This work was carried out using the resources of the supercomputer complex of Moscow State University [3].
Funding
This work was supported by the Russian Science Foundation, project no. 16-12-10059-P.
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Translated by O. Pismenov
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Novoselov, A.A., Pavlovsky, O.V. Quantum-Mechanical Model of Neural Network Elements. Phys. Atom. Nuclei 83, 1667–1670 (2020). https://doi.org/10.1134/S106377882011006X
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DOI: https://doi.org/10.1134/S106377882011006X