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The probability of tunnelling through the barrier

См. также в других словарях:

  • Quantum tunnelling — In quantum mechanics, quantum tunnelling is a nanoscopic phenomenon in which a particle violates the principles of classical mechanics by penetrating a potential barrier or impedance higher than the kinetic energy of the particle.Razavy, Mohsen.… …   Wikipedia

  • Finite potential barrier (QM) — In quantum mechanics, the finite potential barrier is a standard one dimensional problem that demonstrates the phenomenon of quantum tunnelling. The problem consists of solving the time independent Schrödinger equation for a particle with a… …   Wikipedia

  • Resonant tunnelling diode — A resonant tunnel diode (RTD) is a device which uses quantum effects to produce negative differential resistance (NDR). As an RTD is capable of generating a terahertz wave at room temperature, it can be used in ultra high speed circuitry.… …   Wikipedia

  • Coulomb blockade — Schematic representation of an electron tunnelling through a barrier In physics, a Coulomb blockade (abbreviated CB), named after Charles Augustin de Coulomb s electrical force, is the increased resistance at small bias voltages of an electronic… …   Wikipedia

  • Coefficient — For other uses of this word, see coefficient (disambiguation). In mathematics, a coefficient is a multiplicative factor in some term of an expression (or of a series); it is usually a number, but in any case does not involve any variables of the… …   Wikipedia

  • Physical coefficient — A physical coefficient is an important number that characterizes some physical property of a technical or scientific object. A coefficient also has a scientific reference which is the reliance on force. To find the coefficient of a chemical… …   Wikipedia

  • Hartman effect — The delay time for a tunneling particle is independent of the thickness of the opaque barrier. This is called the Hartman effect and might result in particles traveling faster than light.The Hartman effect is the tunnelling effect through a… …   Wikipedia

  • Faster-than-light — (also superluminal or FTL) communications and travel refer to the propagation of information or matter faster than the speed of light. Science fiction style space travel, dubbed true FTL, defies known physics.Under the special theory of… …   Wikipedia

  • Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …   Wikipedia

  • Transmission coefficient — right|frame|An electromagnetic (or any other) wave experiences partial transmittance and partial reflectance when the medium through which it travels suddenly changes.The transmission coefficient is used in physics and electrical engineering when …   Wikipedia

  • Scanning tunneling microscope — Image of reconstruction on a clean Gold(100) surface …   Wikipedia

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