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Quantum Tunneling



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Getting from here to there through the wall.

By 1928, George Gamow had solved the theory of the alpha decay of a nucleus via tunnelling. Classically, the particle is confined to the nucleus because of the high energy requirement to escape the very strong potential. Under this system, it takes an enormous amount of energy to pull apart the nucleus. In quantum mechanics, however, there is a probability the particle can tunnel through the potential and escape. Gamow solved a model potential for the nucleus and derived a relationship between the half-life of the particle and the energy of the emission.

After attending a seminar by Gamow, Max Born recognized the generality of quantum-mechanical tunnelling. He realized that the tunnelling phenomenon was not restricted to nuclear physics, but was a general result of quantum mechanics that applies to many different systems. Today the theory of tunnelling is even applied to the early cosmology of the universe.

Quantum tunnelling has been shown to be a mechanism used by enzymes to enhance reaction rates. It has been demonstrated that enzymes use tunnelling to transfer both electrons and nuclei such as hydrogen and deuterium. It has even been shown, in the enzyme glucose oxidase, that oxygen nuclei can tunnel under physiological conditions.
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Hits: 1714
Comments: 5
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Uploaded: Jan 04, 2010 - 11:28:58 PM
Last Updated: Jan 05, 2010 - 01:08:04 PM Last Played: Feb 19, 2017 - 01:44:08 PM
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PrototypeEightyOne said 2875 days ago (January 5th, 2010)
cool experiment, I dig stuff like this. Quirky. I see drunken androids dancing about partying in a giant tin can, trying to tunnel out and spill their party into the surrounding world.
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Vaisvil said 2875 days ago (January 5th, 2010)
Thanks for the listen and comment!
Check out my latest song called Hit Chart Blues
lengold said 2875 days ago (January 5th, 2010)
That was a
great listen - I found myself actually turning round to see where some sounds were coming from. No idea what this is about but I definitely enjoyed the experience.

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Vaisvil said 2875 days ago (January 5th, 2010)
Thanks for the listen and comment - I updated with the transcript. See wikipedia quantum tunneling if you are curious.
Check out my latest song called Hit Chart Blues
Reggie_Pole said 2875 days ago (January 5th, 2010)
The Gamow Peak
My opinion here is meaningless. I automatically like any song about quantum mechanics. Having said that, this is quirky cool. Liked it a lot. And the movie is slick, too.
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