Uniaxial Pressure Study of Charge Density Waves in a High-Tc Cuprate Superconductor by Hun-ho Kim

Author:Hun-ho Kim
Language: eng
Format: epub
ISBN: 9783030998981
Publisher: Springer International Publishing

(3.1)

(3.2)

Apart from the Hamiltonian in the absence of the field , two interaction terms arise from the light-matter interaction.

(3.3)

(3.4)

3.2.2.1 Non-resonant Inelastic X-Ray Scattering Case

Non-resonant inelastic x-ray scattering arises from the first-order perturbation of the term . Using Fermi’s golden rule, the dynamical structure factor reads,

(3.5)

The vector potential selects in the interaction term and the equation is rewritten as follows.

(3.6)

where () refers to the combined state of the photon with the wavevector () and the electron state ().

Van Hove [3] showed that Eq. (3.6) leads to the Fourier transform of the density-density correlation function.

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