The decay of quantum D-branes
Jan Ambjorn, Romuald A. Janik
TL;DR
This paper investigates the quantum decay process of D0-branes in two-dimensional 0B string theory, providing exact wavefunctions and analyzing the effects of the Fermi sea across different string couplings.
Contribution
It presents exact quantum wavefunctions for decaying D0-branes and incorporates Fermi sea effects at arbitrary string couplings, advancing understanding of quantum decay in string theory.
Findings
Quantum decay rate is naturally cut off by quantum effects.
Exact wavefunctions for decaying D0-branes are derived.
Fermi sea effects are included for any string coupling.
Abstract
We study the {\em 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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