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Elliptic non-Abelian Donaldson-Thomas invariants of mathbb{C}³

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arxiv 1807.08482 v4 pith:ZBH3GPNB submitted 2018-07-23 hep-th

Elliptic non-Abelian Donaldson-Thomas invariants of mathbb{C}³

classification hep-th
keywords ellipticgenusdonaldson-thomasformulainvariantsmathbbsystembackground
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We compute the elliptic genus of the D1/D7 brane system in flat space, finding a non-trivial dependence on the number of D7 branes, and provide an F-theory interpretation of the result. We show that the JK-residues contributing to the elliptic genus are in one-to-one correspondence with coloured plane partitions and that the elliptic genus can be written as a chiral correlator of vertex operators on the torus. We also study the quantum mechanical system describing D0/D6 bound states on a circle, which leads to a plethystic exponential formula that can be connected to the M-theory graviton index on a multi-Taub-NUT background. The formula is a conjectural expression for higher-rank equivariant K-theoretic Donaldson-Thomas invariants on $\mathbb{C}^3$.

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