Foundations of Physics

, 38:1073

Interpreting Quantum Interference Using a Berry’s Phase-like Quantity



We show that quantum interference can be interpreted in terms of a phase invariant quantity, not unlike the Berry’s phase. Under this interpretation, closed loops in time become fundamental quantum entities, and all quantum states become periodic. Decoherence is then seen to occur naturally as a consequence. This formalism, although counterintuitive, provides another useful way of assigning meaning to quantum probabilities and quasi-probabilities.


Berry’s phase Quantum interference Quantum probability Decoherence Closed timelike curves 

Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.Department of Chemistry and PhysicsWestern Carolina UniversityCullowheeUSA

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