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arXiv 2108.08309hep-th
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弱引力猜想与BPS粒子

The Weak Gravity Conjecture and BPS Particles

Murad Alim, Ben Heidenreich, Tom Rudelius

摘要:

受弱引力猜想的启发,我们揭示了黑洞、BPS粒子计数和五维空间中的卡-丘几何之间错综复杂的相互作用。特别是,我们指出,极值BPS黑洞只存在于某些方向的电荷晶格,我们认为,这些方向填写了一个锥,是对偶锥的有效因子的卡-丘三倍。弱引力猜想的塔和次格版本要求在这些方向上有无限多的BPS粒子,因此意味着纯几何猜想要求在有效因子锥的对偶内的每个方向上都存在无限多的全纯曲线塔。我们通过计算Gopakumar-Vafa不变量在许多例子中验证了这些几何猜想。

英文摘要:

Motivated by the Weak Gravity Conjecture, we uncover an intricate interplay between black holes, BPS particle counting, and Calabi-Yau geometry in five dimensions. In particular, we point out that extremal BPS black holes exist only in certain directions in the charge lattice, and we argue that these directions fill out a cone that is dual to the cone of effective divisors of the Calabi-Yau threefold. The tower and sublattice versions of the Weak Gravity Conjecture require an infinite tower of BPS particles in these directions, and therefore imply purely geometric conjectures requiring the existence of infinite towers towers of holomorphic curves in every direction within the dual of the cone of effective divisors. We verify these geometric conjectures in a number of examples by computing Gopakumar-Vafa invariants.

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