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Copenhagen Interpretation

The Copenhagen Interpretation of quantum mechanics was first formalized by Niels Bohr and Werner Heisenberg while collaborating in Copenhagen, Denmark in 1927. The interpretation attempts to answer the questions raised by wave-particle duality inherent to the mathematics that describe the evolution of quantum systems, also known as the Measurement Problem.

In the Copenhagen interpretation, collapse of the wave function to a single state is postulated to resolve the superposition of probabilities that are present in the equations, but are never observed upon measurement. This process is also called collapse of the state vector and reduction of the wave packet and is sometimes considered an epiphenomenon of quantum decoherence in interpretations of state evolution that do not consider collapse of wave function to be actual, but merely apparent [Many Worlds, Transactional, Bohm, Ensemble interpretations].

Web Resources On Copenhagen Interpretation

Copenhagen Interpretation of Quantum Mechanics
Wikipedia: Copenhagen interpretation

Book Resources On Copenhagen Interpretation

Quantum Physics and the Philosophical Tradition by A. Petersen
Quantum Theory and Measurement by J.A. Wheeler & W. H. Zurek (eds.)

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