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4 papers · 2 filters
Isospectrality of conventional and new extended potentials, second-order supersymmetry and role of PT symmetry
B. Bagchi, C. Quesne, R. Roychoudhury
We develop a systematic approach to construct novel completely solvable rational potentials. Second-order supersymmetric quantum mechanics dictates the latter to be isospectral to…
N-Qubit W States are Determined by their Bipartite Marginals
Preeti Parashar, Swapan Rana
We prove that the most general W class of N-qubit states are uniquely determined among arbitrary states (pure or mixed) by just their bipartite reduced density matrices. Moreover,…
Supmech: the Geometro-statistical Formalism Underlying Quantum Mechanics
Tulsi Dass
As the first step in an approach to the solution of Hilbert's sixth problem, a general scheme of mechanics, called `supmech', is developed integrating noncommutative symplectic geo…
Pseudo supersymmetric partners for the generalized Swanson model
A. Sinha, P. Roy
New non Hermitian Hamiltonians are generated, as isospectral partners of the generalized Swanson model, viz., $ H_- = {\cal{A}}^{\dagger} {\cal{A}} + α{\cal{A}} ^2 + β{\cal{A}}^{\d…