2 papers
math-ph2007
On the relation between states and maps in infinite dimensions
Janusz Grabowski, Marek Kus, Giuseppe Marmo
Relations between states and maps, which are known for quantum systems in finite-dimensional Hilbert spaces, are formulated rigorously in geometrical terms with no use of coordinat…
quant-ph2001
Manifolds of interconvertible pure states
Magdalena M. Sinolecka, Karol Zyczkowski, Marek Kus
Local orbits of a pure state of an N x N bi-partite quantum system are analyzed. We compute their dimensions which depends on the degeneracy of the vector of coefficients arising b…