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From quantum bits to exotic particles

Saturday, May 9, 2015 - 10:30
Theoretical Physics, 1 Keble Road, Oxford OX1 3NP

‘I think I can safely say that nobody understands quantum mechanics’ - Richard Feynman. The seventh Morning of Theoretical Physics was devoted to the idea of quantum computation and the strange behaviour of certain types of fundamental particle. The difficultly in understanding inevitably stems from the fact that the quantum world is so entirely unlike our everyday experience. Objects can be in quantum mechanical ‘superposition’ states – appearing to do two very different things at the same time; and objects can also be ‘entangled’ with each other such that measurement of one object can have ‘spooky’ (Einstein’s word) action on other objects far away.