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actionintegral
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Is there an analogy between total internal reflection and quantum tunneling? And did I spell tunnelling right?
Yes, look up "frustrated total internal reflection".actionintegral said:Is there an analogy between total internal reflection and quantum tunneling?
Yes, but only once.And did I spell tunnelling right?
Total internal reflection is a phenomenon that occurs when a beam of light traveling through a medium reaches a boundary with a less dense medium at an angle greater than the critical angle. Instead of passing through the boundary, the beam is reflected back into the original medium.
Total internal reflection is often used as an analogy for quantum tunneling, which is a similar phenomenon that occurs with particles instead of light. In both cases, the energy of the particle or light beam is not enough to pass through the boundary, so it is reflected back into the original medium.
Quantum tunneling is a phenomenon in quantum mechanics where a particle can pass through an energy barrier even though it does not have enough energy to do so. This is possible due to the probabilistic nature of quantum mechanics, where particles can exist in multiple states simultaneously.
Quantum tunneling and total internal reflection are both examples of the wave-particle duality of light and matter. In both cases, the particle or light beam exhibits wave-like behavior by passing through or reflecting off an energy barrier.
Total internal reflection is used in various technologies, such as fiber optics, where light is guided through a medium by continuously reflecting off the boundaries. Quantum tunneling has practical applications in electronics, such as in flash memory and scanning tunneling microscopy, which allows for imaging at the atomic level.