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quantum number |
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quantum number [′kwän·təm ‚nəm·bər] (quantum mechanics) One of the quantities, usually discrete with integer or half-integer values, needed to characterize a quantum state of a physical system; they are usually eigenvalues of quantum-mechanical operators or integers sequentially assigned to these eigenvalues. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The energy values and the neutron wave functions in such a system depend on m, g, on the Planck constant and on the quantum number n only. The spin of any elementary particle is represented by a quantum number that must be some multiple of 1/2:0,1/2,-1/2, 1, -1, 3/2,-3/2, and so on. |
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