Construct · 1 fields · 1 citations

Kohn anomaly: a standalone construct

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Condensed matter physics

a kink or softening in phonon dispersion at wavevectors spanning the Fermi surface, caused by the singular screening response of conduction electrons.

In condensed matter physics, Kohn anomaly refers to a kink or softening in phonon dispersion at wavevectors spanning the Fermi surface, caused by the singular screening response of conduction electrons. This meaning comes from Kohn (1959) in Physical Review Letters.[1]

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Nearby constructs

anomaly4 fields · 7 citationsjingle · one word, four constructs dispersion4 fields · 6 citationsjingle · one word, four constructs kink3 fields · 5 citationsjingle · one word, three constructs

References

Kohn, W. (1959). Image of the Fermi Surface in the Vibration Spectrum of a Metal. Physical Review Letters, 2(9), 393-394. https://doi.org/10.1103/physrevlett.2.393

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