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About: Delta potential     Goto   Sponge   NotDistinct   Permalink

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Type: yago:Assistant109815790yago:CausalAgent100007347yago:LivingThing100004258yago:Model110324560yago:Object100002684yago:Organism100004475yago:Person100007846yago:PhysicalEntity100001930yago:Worker109632518yago:YagoLegalActoryago:YagoLegalActorGeoyago:Whole100003553yago:WikicatQuantumModels New Facet based on Instances of this Class

In quantum mechanics the delta potential is a potential well mathematically described by the Dirac delta function - a generalized function. Qualitatively, it corresponds to a potential which is zero everywhere, except at a single point, where it takes an infinite value. This can be used to simulate situations where a particle is free to move in two regions of space with a barrier between the two regions. For example, an electron can move almost freely in a conducting material, but if two conducting surfaces are put close together, the interface between them acts as a barrier for the electron that can be approximated by a delta potential.