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The Danish National Research Foundation:
Network in Mathematical Physics and Stochastics

Funded by The Danish National Research Foundation

MPS-RR 2004-8
February 2004

The Decay of Quantum $D$-branes

by: Romuald A. Janik , Jan Ambjørn


We study the quantum decay of D0-branes in two-dimensional 0B string theory. The quantum nature of the branes provides a natural cut-off for the closed string emission rate. We find exact quantum mechanical wavefunctions for the decaying branes and show how one can include the effects of the Fermi sea for any string coupling (Fermi energy).

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This paper has now been published in Phys. Lett. B 584, 155--162 (2004)