68 citations · 765 across the 90 of their papers we have counts for
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hep-th1999★ 24 cited
Schrödinger quantum modes on the Taub-NUT background
Ion I. Cotăescu, Mihai Visinescu
The Schrödinger equation is investigated in the Euclidean Taub-NUT geometry. The bound states are degenerate and an extra degeneracy is due to the conserved Runge-Lenz vector. The…
math-ph1999
Generalized "bra-ket" formalism
Ion I. Cotaescu
The Dirac's bra-ket formalism is generalized to finite-dimensional vector spaces with indefinite metric in a simple mathematical context similar to thatof the theory of general ten…