What Is The Origination Of Zero Point Energy

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Can Anybody Tell Me ,unlike Classical Mechanics What Is The Origination Of Zero Point Energy,in Quantum Mechanics?
 

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malawi_glenn
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one often starts to consider the so called Energy-time uncertainty principe, that you always have a spread in energy.

Then, since alomst all systems can be modelled as a harmonic oscillatior, the ground state energy of a quantum oscillator is used as the zero point energy of systems.

http://en.wikipedia.org/wiki/Zero-point_energy
 

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