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  • Density-operator theory of orbital magnetic susceptibility in periodic insulators 

    Gonze, X., and J. W. Zwanziger. 2011. "Density-operator theory of orbital magnetic susceptibility in periodic insulators." Physical Review B 84(6): 064445-064445. doi:10.1103/PhysRevB.84.064445
    The theoretical treatment of homogeneous static magnetic fields in periodic systems is challenging, as the corresponding vector potential breaks the translational invariance of the Hamiltonian. Based on density operators ...