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Quantum Systems from Group up

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Duration: 0:40:13 | Added: 06 Jul 2018
This talk reviews the modern formulation of the basic ideas of quantum mechanics.

We start by explaining what quantum amplitudes are, how they lead to the idea of a quantum state and how these states evolve in time. We then discuss what happens when a measurement is made before describing correlated ('entangled') systems. Applying these ideas to two-state systems ('qubits') we point out that the complexity of computing the evolution of an N qubit system grows like exp(N)

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