Kavli Affiliate: Anton R. Akhmerov | First 5 Authors: Isidora Araya Day, Sebastian Miles, Hugo K. Kerstens, Daniel Varjas, Anton R. Akhmerov | Summary: A common technique in the study of complex quantum-mechanical systems is to reduce the number of degrees of freedom in the Hamiltonian by using quasi-degenerate perturbation theory. While the Schrieffer–Wolff transformation […]
Continue.. Pymablock: an algorithm and a package for quasi-degenerate perturbation theory