In Print

A collection of my most cited research papers, and a selection of my books.

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How Newton invented Hidden Variables and Fresnel discovered Decoherence

I’d like to tell you something you might find surprising (I did) and it’s all about things in classical physics that happen to be analogous to some of the concepts frequently thought to be strictly quantum mechanical. In order to fully appreciate the title, I’d like to claim, more specifically, that Newton was the originator of the first hidden variable theory in physics and that the concept of decoherence was discovered by the French physicist Fresnel.

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Photo by Tomaz Barcellos:

Weak Measurements and Consciousness

I’ve been writing a great deal about quantum measurements and the fact that, in quantum physics, they are basically entangling operations. No need for collapse postulates or any non-linear modifications to the unitary dynamics. No quantum jumps or any other discontinuities.

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Occasionalism and Quantum Entanglement

Quantum physics is frequently viewed as violating the law of causality, namely that the same causes ought to produce the same effects. If I drop a ball from rest from a certain height, it will always reach the ground in the same amount of time, and with the same terminal speed. No matter how many times we repeat this experiment (and Galileo had done it till he was blue in the face) we will never obtain – to within an experimental error – a different result. The same initial conditions always produce the same final outcomes in classical physics.

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