Definition of quantum mechanics in English:

quantum mechanics

Syllabification: quan·tum me·chan·ics

noun

[treated as singular] Physics
  • The branch of mechanics that deals with the mathematical description of the motion and interaction of subatomic particles, incorporating the concepts of quantization of energy, wave-particle duality, the uncertainty principle, and the correspondence principle.
    More example sentences
    • According to the laws of quantum mechanics, these electrons may exist only in certain states.
    • In fact, it is arguably the most important fundamental concept behind all of quantum mechanics.
    • On the other hand, in quantum mechanics you will deal more with algebraic techniques.

Derivatives

quantum-mechanical

adjective
More example sentences
  • However, as a subatomic particle the electron is also a quantum-mechanical object.
  • Furthermore, experiments are insensitive to the overall phase of quantum-mechanical wavefunctions - a property known as gauge invariance - which leads to the conservation of electric charge.
  • Being quantum-mechanical, the electron can also be in a ‘superposition’ of these states, pointing both up and down at the same time.

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