Definitions for quantum number

This page provides all possible meanings and translations of the word quantum number

Random House Webster's College Dictionary

quan′tum num`ber(n.)

  1. any integer or half of an odd integer that distinguishes one of the discrete states of a quantum-mechanical system.

    Category: Physics

Wiktionary

  1. quantum number(Noun)

    One of certain integers or half-integers that specify the state of a quantum mechanical system (such as an electron in an atom).

Freebase

  1. Quantum number

    Quantum numbers describe values of conserved quantities in the dynamics of the quantum system. Perhaps the most peculiar aspect of quantum mechanics is the quantization of observable quantities, since quantum numbers are discrete sets of integers or half-integers. This is distinguished from classical mechanics where the values can range continuously. Quantum numbers often describe specifically the energies of electrons in atoms, but other possibilities include angular momentum, spin, etc. Any quantum system can have one or more quantum numbers; it is thus difficult to list all possible quantum numbers.

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