Penrose (2004: 578):
It would not be unreasonable to expect that, since our formalism has described for us the quantum behaviour of individual particles or other isolated entities, so also should it have told us how to describe systems containing several separate particles, perhaps interacting with one another in various ways. In a sense this is true…, but some distinctly new features arise, when more than just one particle is present in a system. The underlying quality that is new is the phenomenon of quantum entanglement, whereby a system of more than one particle must nevertheless be treated as a single holistic unit, and different manifestations of this phenomenon present us with yet more mystery in quantum behaviour than we have encountered already. Moreover, particles that are identical to each other are always automatically entangled with one another, although we shall find that this can happen in two quite distinct ways, depending upon the nature of the particle.
Blogger Comments:
From the perspective of Systemic Functional Linguistic Theory, the 'single holistic unit' is the system of quantum potential, and quantum entanglement refers to the fact that probabilities of instantiation in the system are interdependent, such that one instantiation affects the probabilities of other instantiations of the same system of potential.
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