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We discuss the anisotropies of the Hamiltonian and the wave-function in an$S=1/2$ distorted diamond chain. The ground-state phase diagram of this modelis investigated using the degenerate perturbation theory up to the first orderand the level spectroscopy analysis of the numerical diagonalization data. Insome regions of the obtained phase diagram, the anisotropy of the Hamiltonianand that of the wave-function are inverted, which we call inversion phenomenon;the N\'{e}el phase appears for the XY-like anisotropy and the spin-fluid phaseappears for the Ising-like anisotropy. Three key words are important for thisnature, which are frustration, the trimer nature, and the $XXZ$ anisotropy.Comment: 4pages, 10 figures, for proceedings of SPQS 200

Inversion Phenomenon and Phase Diagram of theS=1/2 Distorted Diamond Chain with theXXZInteraction Anisotropy