Definition of symmetry breaking in English:

symmetry breaking

noun

Physics
  • [mass noun] The absence or reduction of manifest symmetry in a situation despite its presence in the laws of nature underlying it:

    [as modifier] ‘symmetry-breaking mechanisms’
    • ‘In all experiments, symmetry breaking occurs spontaneously and 100% of the beads generate a comet.’
    • ‘A process called spontaneous symmetry breaking will ruin the delicate state required for quantum computing.’
    • ‘Although we do not yet understand the complete mechanism, it should be noted that symmetry breaking also occurs at the kinked part in a wide tube.’
    • ‘The direction of the grain in the Higgs field is determined by a process called spontaneous symmetry breaking.’
    • ‘Spontaneous symmetry breaking is a powerful phenomenon that is tremendously important in understanding unified particle theories in general.’