THE MODEL. “The quantum brain network that we shall construct in the present paper is nothing but a neural network implementation of the same model. This is achieved by means of identification of the neuron‐describing degrees of freedom with the number operators of the angular harmonics of the quantum field.”
https://onlinelibrary.wiley.com/doi/full/10.1002/prop.201800007?casa_token=GdPRXs_tGLEAAAAA%3Ag-pxPMtkcleTYDUNK3mYGfpEzKRyc2LqQknTgFFB7dkYFDL8rDe2s0f4_0Q0oKjXD4_AEgFPGWolVTQ