Single Electron Tunneling - définition. Qu'est-ce que Single Electron Tunneling
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  3. Single Electron Tunneling

Qu'est-ce (qui) est Single Electron Tunneling - définition

PHYSICS POSTULATE DESCRIBING ALL ELECTRONS/POSITRONS AS ONE TIME-INDEPENDENT ENTITY
One electron universe; Oneelectron universe; One electron; One-electron; Single electron universe; Single-electron universe

Single Electron Tunneling      
<electronics> (SET) A New electrical standard for capacitance. SET devices can be used to construct circuits which process information by manipulating individual electrons. SET devices are small, dissipate little power, and can detect exquisitely small quantities of charge. The small size and low power dissipation of SET circuits makes them potentially useful for the Information Technology industry. (1999-01-06)
Quantum tunnelling         
  • Chaos-assisted tunnelling oscillations between two regular tori embedded in a chaotic sea, seen in phase space
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  • STM]]
  • Quantum tunneling oscillations of probability in an integrable double well of potential, seen in phase space
  • A working mechanism of a [[resonant tunnelling diode]] device, based on the phenomenon of quantum tunnelling through the potential barriers
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  • Hamiltonian]] <math>H(x,p) = p^2 / 2 + U(x) </math>.
QUANTUM MECHANICAL PHENOMENON
Tunneling effect; Quantum mechanical tunneling; Tunnel (quantum mechanics); Tunneling Effect; Electron tunneling; Barrier penetration; Barrier tunneling; Quantum tunneling; Quantum Tunneling; Barrier Penetration; Tunneling barrier; Tunnelling barrier; Quantum mechanical tunnelling; Tunneling time; Wave-mechanical tunneling
Quantum tunnelling, also known as tunneling (US) is a quantum mechanical phenomenon whereby a wavefunction can propagate through a potential barrier.
https://en.wikipedia.org/wiki/Quantum_tunnelling
Scanning tunneling microscope         
  • A large STM setup at the [[London Centre for Nanotechnology]]
  • Scanning tunneling microscope operating principle
  • Schematic view of an STM
  • A 1986 STM from the collection of [[Musée d'histoire des sciences de la Ville de Genève]]
  • The real and imaginary parts of the wave function in a rectangular potential barrier model of the scanning tunneling microscope
  • Tip, barrier and sample wave functions in a model of the scanning tunneling microscope. Barrier width is ''w''. Tip bias is ''V''. Surface work functions are ''ϕ''.
  • Negative sample bias ''V'' raises its electronic levels by ''e⋅V''. Only electrons that populate states between the Fermi levels of the sample and the tip are allowed to tunnel.
A MICROSCOPE USED FOR LOOKING AT ATOMS.
Electron tunnel microscopy; Scanning tunneling; Scanning Tunneling Microscope; Scanning tunneling microscopy; Scanning tunnelling microscope; Scanning tunnelling microscopy; Microscopy, scanning tunneling; Scanning-tunneling microscope; Scanning Tunneling Microscopy; STM microscope; Josephson tunneling microscope
A scanning tunneling microscope (STM) is a type of microscope used for imaging surfaces at the atomic level. Its development in 1981 earned its inventors, Gerd Binnig and Heinrich Rohrer, then at IBM Zürich, the Nobel Prize in Physics in 1986.
https://en.wikipedia.org/wiki/Scanning_tunneling_microscope

Wikipédia

One-electron universe

The one-electron universe postulate, proposed by theoretical physicist John Wheeler in a telephone call to Richard Feynman in the spring of 1940, is the hypothesis that all electrons and positrons are actually manifestations of a single entity moving backwards and forwards in time. According to Feynman:

I received a telephone call one day at the graduate college at Princeton from Professor Wheeler, in which he said, "Feynman, I know why all electrons have the same charge and the same mass" "Why?" "Because, they are all the same electron!"

A similar "zigzag world line description of pair annihilation" has been independently devised by E. C. G. Stueckelberg at the same time.

https://en.wikipedia.org/wiki/One-electron universe
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