9.- Tunnel Effect
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Uploaded by SpinningParticle on Dec 26, 2008
www.SpinningParticles.com
A potential barrier: It represents the potential energy of the particle.
It produces a force to the left on the left hand side and to the right on the right hand side of the barrier
For a point particle the sum of kinetic and potential energy is conserved...
...so that when it reaches the potential barrier the kinetic energy vanishes and the point stops.
The force to the left rejects the particle.
The tunnel effect describes the fact that an electron goes through a potential barrier...
...that should have repelled it if considered as a classic sphere-like particle.
This can easily be understood with the Spinning Particle Model:
when the Center of Charge of the electron reaches the potential barrier its Center of Mass is decelerated.
But the CC never stops rotating.
If the barrier is narrow, because of its rotation,...
...the CC can cross to the other side of the barrier, and a force to the right accelerates the CM.
The electron has to be transversally polarized (The spin orthogonal to the direction of motion)
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you dilsliked the video?!? Must be a chemist...
agerom 2 weeks ago