Ground State Properties of an S=1/2 Distorted Diamond Chain

Takashi Tonegawa, Kiyomi Okamoto, Toshiya Hikihara +2

We investigate the ground state properties of an S=1/2 distorted diamond chain described by the Hamiltonian ${\cal H}=J_1\sum_\ell\bigl\{\bigl(\vecS_{3\ell-1}\cdot\vecS_{3\ell} +\v…