Electron momentum density of hexagonal magnesium studied by high-resolution Compton scattering

Compton Scattering and Various ACAR Experiments in~Mg

“…1 the anisotropic component of high resolution CPs, ∆J(p z ), the anisotropy of which is in a good agreement with theoretical calculations (Fig. 1 in [9] and [10]) is compared with ∆J(p z ) of two sets of 1D * e-mail: g.sznajd@int.pan.wroc.pl ACAR spectra: measured by Shiotani et al [7] and created from 2D ACAR data [6] for p z chosen along Γ K and Γ M directions. All spectra have similar instrumental resolution (0.12 [9], 0.11 [7] and 0.10 a.u.…”

“…1 in [9] and [10]) is compared with ∆J(p z ) of two sets of 1D * e-mail: g.sznajd@int.pan.wroc.pl ACAR spectra: measured by Shiotani et al [7] and created from 2D ACAR data [6] for p z chosen along Γ K and Γ M directions. All spectra have similar instrumental resolution (0.12 [9], 0.11 [7] and 0.10 a.u. [6]).…”

“…ε(p)/ε(0), change from 1 up to 1.17 and 1.23 (for p = p F ) in the case of ∆J(p z ) and ρ 001 , respectively. This could explain that in the limit of both experimental statistics and resolution there could be similarity of 1D ACAR [7] and CPs [9]. Trying to understand dierences in relation to data [6], it is worth noting Figs.…”

“…Since some theories give a similar behavior of ρ(p) inside the Fermi surface (FS) but dier completely in the Umklapp region (so-called higher momentum components, HMC) as well as ρ(p) reconstructed from experimental 2D ACAR data [6] suggests a strong over--enhancement, up to now not observed in other experiments, it was interesting to compare various ACAR [68] and Compton scattering [9] experimental data in Mg.…”

Electronic structure of Mg studied by Compton scattering

“…In this paper such a procedure was employed to Mg [12] (with using Cormack's method [13]), to show what information on fermiology one can get from three (or even two) high-resolution CPs. The knowledge of the FS topology is crucial in understanding electronic properties of quantum systems.…”