Zwitters: Particles between quantum and classical |
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Authors: | C Wetterich |
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Institution: | Institut für Theoretische Physik, Universität Heidelberg, Philosophenweg 16, D-69120 Heidelberg, Germany |
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Abstract: | We describe both quantum particles and classical particles in terms of a classical statistical ensemble, with a probability distribution in phase space. By use of a wave function in phase space both can be treated in the same quantum formalism. Quantum particles are characterized by a specific choice of observables and time evolution of the probability density. Then interference and tunneling are found within classical statistics. Zwitters are (effective) one-particle states for which the time evolution interpolates between quantum and classical particles. Experimental bounds on a small parameter can test quantum mechanics. |
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Keywords: | Quantum particles from classical statistics Zwitters between quantum and classical Classical wave function Wigner function Probabilistic time evolution |
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