Why Interference Phenomena Do Not Capture the Essence of Quantum Theory

Explore a thought-provoking keynote address that challenges conventional understanding of quantum theory. Delve into Robert Spekkens' argument from the Perimeter Institute for Theoretical Physics on why interference phenomena may not fully encapsulate the essence of quantum mechanics. Gain insights from this 43-minute talk, presented at the Conference on Quantum Information and Quantum Control IX, hosted by the Fields Institute on August 31st, 2022. Examine the speaker's perspective on the limitations of using interference phenomena as the primary representation of quantum theory's core principles.