BPS spectra and 3-manifold invariants
Journal Article
·
· Journal of Knot Theory and Its Ramifications
- California Institute of Technology (CalTech), Pasadena, CA (United States); Caltech
- California Institute of Technology (CalTech), Pasadena, CA (United States); Univ. of Aarhus (Denmark)
- Inst. for Advanced Study, Princeton, NJ (United States)
- Harvard Univ., Cambridge, MA (United States)
We provide a physical definition of new homological invariants Ha(M3) of 3-manifolds (possibly, with knots) labeled by abelian flat connections. The physical system in question involves a 6d fivebrane theory on M3 times a 2-disk, D2, whose Hilbert space of BPS states plays the role of a basic building block in categorification of various partition functions of 3d N = 2 theory T[M3]: D2 × S1 half-index, S2 × S1 superconformal index, and S2 × S1 topologically twisted index. The first partition function is labeled by a choice of boundary condition and provides a refinement of Chern–Simons (WRT) invariant. A linear combination of them in the unrefined limit gives the analytically continued WRT invariant of M3. The last two can be factorized into the product of half-indices. Here, we show how this works explicitly for many examples, including Lens spaces, circle fibrations over Riemann surfaces, and plumbed 3-manifolds.
- Research Organization:
- California Institute of Technology (CalTech), Pasadena, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- SC0011632
- OSTI ID:
- 1762744
- Journal Information:
- Journal of Knot Theory and Its Ramifications, Journal Name: Journal of Knot Theory and Its Ramifications Journal Issue: 02 Vol. 29; ISSN 0218-2165
- Publisher:
- World ScientificCopyright Statement
- Country of Publication:
- United States
- Language:
- English
| Higher rank $\hat{Z}$ and $F_K$ | text | January 2019 |
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