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arXiv · hep-th/9703141

ND Tadpoles as New String States and Quantum Mechanical Particle-Wave Duality from World-Sheet T-Duality

Ian I. Kogan·John F. Wheater
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Abstract

We consider new objects in bosonic open string theory -- ND tadpoles, which have N(euman) boundary conditions at one end of the world-sheet and D(irichlet) at the other, must exist due to s-t duality in a string theory with both NN strings and D-branes. We demonstrate how to interpolate between N and D boundary conditions. In the case of mixed boundary conditions the action for a quantum particle is induced on the boundary. Quantum-mechanical particle-wave duality, a dual description of a quantum particle in either the coordinate or the momentum representation, is induced by world-sheet T-duality. The famous relation between compactification radii is equivalent to the quantization of the phase space area of a Planck cell. We also introduce a boundary operator - a ``Zipper'' which changes the boundary condition from N into D and vice versa.

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Ian I. Kogan, John F. Wheater. 1997-03-26. ND Tadpoles as New String States and Quantum Mechanical Particle-Wave Duality from World-Sheet T-Duality. https://doi.org/10.1016/s0370-2693(97)00485-1

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