Tunneling D0-branes

Details Tunneling D0-branes Tunneling D0-branes

2008-09-10

arxiv.org/abs/0809.1768v2

Physics

High Energy Physics

High Energy Physics - Theory

24 pages; typos corrected, refs updated

Scientific paper

In the D0-D4-brane system, D0-branes do not tunnel. Instead, they form bound states with the D4-brane, whose ground states are exact. However, the D0-brane quantum mechanics contains a BPS instanton. To what does this solution correspond? We find that such a tunneling solution provides non-perturbative corrections to the Berry phase connection for the first-excited states as the D4-branes are moved adiabatically. We compute this connection for the first four excited states, and show that it gives an emergent SO(5) connection described previously by Tchrakian.

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