单词 | dirac's constant |
释义 | Dirac's constant[ dĭ-răks′ ] A physical constant often used in quantum mechanics in place of Planck's constant, equal to h2π, where h equals Planck's constant. Its symbol is ℏ. Also called h-bar Words nearby Dirac's constantdiquat, dir., Dirac, Dirac constant, Dirac delta function, Dirac's constant, Dirac sea, diradical, Dirae, dirdum, dire The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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