Concept information
Terme préférentiel
Heisenberg picture
Définition(s)
- In physics, the Heisenberg picture (also called the Heisenberg representation) is a formulation (largely due to Werner Heisenberg in 1925) of quantum mechanics in which the operators (observables and others) incorporate a dependency on time, but the state vectors are time-independent, an arbitrary fixed basis rigidly underlying the theory. It stands in contrast to the Schrödinger picture in which the operators are constant, instead, and the states evolve in time. The two pictures only differ by a basis change with respect to time-dependency, which corresponds to the difference between active and passive transformations. The Heisenberg picture is the formulation of matrix mechanics in an arbitrary basis, in which the Hamiltonian is not necessarily diagonal. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Heisenberg_picture)
Concept(s) générique(s)
Synonyme(s)
- Heisenberg representation
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/MDL-NNMJRLW1-1
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