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Level repulsion

Level repulsion is the quantum mechanical equivalent to a repulsion effect in oscillators. A system of two coupled oscillators has two natural frequencies. As the coupling strength between the oscillators increases, the lower frequency decreases and the higher increases.

Last revised
May 28, 2026
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≈ 1 min
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Level repulsion is the quantum mechanical equivalent to a repulsion effect in oscillators.1 A system of two coupled oscillators has two natural frequencies. As the coupling strength between the oscillators increases, the lower frequency decreases and the higher increases.2

See also

See also

References

References

  1. Frank, Winfried; von Brentano, Peter (1994). "Classical analogy to quantum mechanical level repulsion". American Journal of Physics. 62 (8): 706–709. doi:10.1119/1.17500. ISSN 0002-9505.
  2. Novotny, Lukas (2010). "Strong coupling, energy splitting, and level crossings: A classical perspective". American Journal of Physics. 78 (11): 1199–1202. doi:10.1119/1.3471177. ISSN 0002-9505.