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Quantum Mechanics

Wikipedia - Hilbert space

Wikipedia - Mathematical formulations of quantum mechanics

Wikipedia - Quantum mechanics


Postulate 1

Associated to any physical system is a complex vector space (a Hilbert space) known as the state space of the system. If the system is closed than the system is described completely by its state vector, which is a unit vector in the space.

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Postulate 2

The evolution of a closed system is described by a unitary transformation acting on its state space.

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Postulate 3

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