The Quantum Measurement Problem
Despite being an extraordinarily successful theory, quantum mechanics as it stands is manifestly incomplete, because there is no consensus about how the mathematical formalism can be read as a description of physical reality. Consequently, there exists considerable debate over how we should ‘interpret’ quantum mechanics – that is, what it tells us about how the world really works. In this talk I will discuss a range of proposed interpretations, including Niels Bohr’s ‘Copenhagen interpretation,’ theories of spontaneous, consciousness-based and gravitational collapse, the Everett (many-worlds) interpretation, and the de Broglie-Bohm interpretation, briefly touching on the principal advantages and difficulties associated with each.
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