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Results tagged with quantum-mechanics
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user 209853
Quantum mechanics describes the microscopic properties of nature in a regime where classical mechanics no longer applies. It explains phenomena such as the wave-particle duality, quantization of energy, and the uncertainty principle and is generally used in single-body systems. Use the quantum-field-theory tag for the theory of many-body quantum-mechanical systems.
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Is there a concept of velocity at quantum level?
In quantum mechanics, we strictly talk about the "velocity" of the expectation value of x, which is not the same thing as the velocity of the particle.
Nothing we have seen so far in quantum mechanics …
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