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winding number

American  

noun

Mathematics.
  1. the number of times a closed curve winds around a point not on the curve.


Example Sentences

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See Examples For:

So the strip’s winding number, 1, is a topologically protected feature.

From Scientific American Aug. 24, 2023

In other words, the winding number tells us that after a BEC's momentum makes a full circle, it comes back to the state it started in.

From Scientific American Jun. 18, 2023

This winding number also reveals that every time it goes around the Dirac point, its geometric phase increases by π.

From Scientific American Jun. 18, 2023

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