most citedPerturbative power series for block diagonalisation of Hermitian matrices

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quant-ph2024★ 1 cited

Perturbative power series for block diagonalisation of Hermitian matrices

Ishan N. H. Mankodi, David P. DiVincenzo

Block diagonalisation of matrices by canonical transformation is important in various fields of physics. Such diagonalization is currently of interest in condensed matter physics,…