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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.

See also

• Avoided crossing
• Intersubband polariton
• Wigner–Ville distribution

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.

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