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quant-ph2019★ 32 cited
Evolution speed of open quantum dynamics
Dorje C Brody, Bradley Longstaff
The space of density matrices is embedded in a Euclidean space to deduce the dynamical equation satisfied by the state of an open quantum system. The Euclidean norm is used to obta…
quant-ph2019★ 5 cited
Making sense of the divergent series for reconstructing a Hamiltonian from its eigenstates and eigenvalues
Carl M. Bender, Dorje C. Brody, Matthew F. Parry
In quantum mechanics the eigenstates of the Hamiltonian form a complete basis. However, physicists conventionally express completeness as a formal sum over the eigenstates, and thi…