ANOMALY

Anomaly

In quantum physics an anomaly or quantum anomaly is the failure of a symmetry of a theory's classical action to be a symmetry of any regularization of the full quantum theory. In classical physics an anomaly is the failure of a symmetry to be restored in the limit in which the symmetry-breaking parameter goes to zero. Perhaps the first known anomaly was the dissipative anomaly in turbulence: time-reversibility remains broken at the limit of vanishing viscosity.

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anomaly

Noun

  1. A deviation from a rule or from what is regarded as normal.
  2. Something or someone that is strange or unusual.
    He is an anomaly among his friends.
  3. Any event or measurement that is out of the ordinary regardless of whether it is exceptional or not.
  4. Any of various angular distances.
  5. A defect or malformation.
  6. A failure of a classical symmetry due to quantum corrections.
  7. An irregularity or disproportion.


The above text is a snippet from Wiktionary: anomaly
and as such is available under the Creative Commons Attribution/Share-Alike License.

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