| 单词 | pauli exclusion principle |
| 释义 | Pauli exclusion principlenoun Physics.exclusion principle. Origin of Pauli exclusion principleFirst recorded in 1925–30; named after W. Pauli Words nearby Pauli exclusion principlePaul-Boncour, Paul Bunyan, pauldron, Paulette, Paul I, Pauli exclusion principle, Paul II, Paul III, Pauline, Pauline privilege, Pauling Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for Pauli exclusion principlePauli exclusion principle nounphysics the principle that two identical fermions cannot occupy the same quantum state in a body such as an atomSometimes shortened to: exclusion principle Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for Pauli exclusion principlePauli exclusion principle [ pô′lē, pou′- ] The principle that two fermions of a given type, such as electrons, protons, or neutrons, cannot occupy the same quantum state. It does not apply to bosons. This principle plays a key role in the electron orbital structure of atoms, since it prevents more than two electrons from occupying any given orbital (two are allowed, since they may have opposite spin, and thus be in different quantum states). See also orbital degeneracy pressure. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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