metal-excitations - Metals - electron-hole excitations...

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Unformatted text preview: Metals - electron-hole excitations linear response function: Lindhard function k,s Fermi sea 2 kF k+q,s' 0 Metals - collective excitations linear response function: Lindhard function small-q-limit: Metals - collective excitations plasma frequency renormalized: Metals - collective excitations spectrum in imagnary part plasmon Landau damping in e-h-continuum decay of plasmon into electron-hole excitations finite lifetime electron-holeexcitations P. Coleman Metals - collective excitations simple metals Metals - collective excitations classical picture electrons ions restoring force - + equation of motion oscillation frequency harmonic oscillator plasma frequency ...
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This note was uploaded on 10/04/2011 for the course PHYS fs11 taught by Professor Sigrist during the Spring '11 term at Swiss Federal Institute of Technology Zurich.

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metal-excitations - Metals - electron-hole excitations...

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