Quantummechanical behaviour in a deterministic model
G. 't Hooft
Abstract
A deterministic model with a large number of continuous and discrete degrees of freedom is described, and a statistical treatment is proposed. The model exactly obeys a Schrodinger equation, which has to be interpreted exactly according to the Copenhagen prescriptions. After applying a Hartree-Fock approximation, the model appears to describe genuine quantum particles that could be used as a starting point for field variables in a quantum field theory. In the deterministic model it is essential that information loss occurs, but the corresponding quantum system is unitary and exactly preserves information. (To be published in Foundations of Physics Letters, Vol. 10, No 4.)
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