7.1. Overview

This document is the manual for the utility to perform the Fourier transformation of the correlation function in the site representation generated by mVMC or HΦ.

7.1.1. Prerequisite

The prerequisite of this utility is the same as that of mVMC or HΦ.

7.1.2. Supported quantities

This utility supports the Fourier transformation of the following quantities:

One-body correlations

c^kαc^kβRNReikRc^0αc^Rβc^kαc^kβRNReikRc^0αc^Rβ

Density-density correlation

(7.2)ρ^kαρ^kβ1NRRNReikR(ρ^0αρ^0α)(ρ^Rβρ^Rβ)

Spin-Spin correlations

S^kαzS^kβz1NRRNReikRS^0αzS^RβzS^kα+S^kβ1NRRNReikRS^0α+S^RβS^kαS^kβ1NRRNReikRS^0αS^Rβ