On 1/4 BPS ((F, D1), (NS5, D5)) bound states of type IIB string theory
On 1/4 BPS ((F, D1), (NS5, D5)) bound states of type IIB string theory
We construct two new SL(2, ℤ) invariant vacua of type IIB string theory which are bound states of (p, q) strings with (m, n) 5-branes, written as ((F, D1), (NS5, D5)) and preserve 1/4 of the full space-time supersymmetries. For the first case, the strings live inside the 5-brane world-volume …