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Why sub-classical physics and quantum physics

by chrisjiang
Tags: physics, quantum, subclassical
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Aug18-10, 03:03 AM
P: 4
Why sub-classical physics and quantum physics, can not be unity between the two up?
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Aug18-10, 05:10 AM
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Pengwuino's Avatar
P: 7,120
What do you mean by "sub-classical"?
Aug18-10, 06:23 AM
P: 4
Sorry, I am a Chinese, English is not so good. I mean about the classical physics "and" quantum physics ", why should distinguish respectively

Aug18-10, 11:09 AM
P: 295
Why sub-classical physics and quantum physics

With classical physics you cant compute and examine the physics of the too small, at the level of atoms and sub-atomic particles. Classical physics is basically a very good approximation of how the macroscopic worls behaves, but when you examine the microscopic everything is so more complex and sometimes counter-intuitive. Its possible to use quantum physics to calculate macroscopic behavior, but it would imply too many calculations.
Aug18-10, 11:33 AM
P: 161
Actually, classical physics are special case of quantum mechanics for big masses, big objects and trajectories. In macroscopic world quantum effects are neglectible.
Aug19-10, 06:30 AM
P: 4
I see, thank you

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