most citedAbsence of magnetic order for the spin-half Heisenberg antiferromagnet on the star lattice

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Diagonalization of a bosonic quadratic form using CCM: Application on a system with two interpenetrating square lattice antiferromagnets

Sven E. Krueger, Dirk Schmalfuss, Johannes Richter

While the diagonalization of a quadratic bosonic form can always be done using a Bogoliubov transformation, the practical implementation for systems with a large number of differen…