Mathematics – Differential Geometry
Scientific paper
2008-10-05
Journal of Geometry and Physics 61 (2011), pp. 1601-1624
Mathematics
Differential Geometry
29 pages, 1 figure; minor updates and corrections; final version
Scientific paper
10.1016/j.geomphys.2011.04.004
We investigate index theory in the context of Dirac operators coupled to superconnections. In particular, we prove a local index theorem for such operators, and for families of such operators. We investigate eta-invariants and prove an APS-theorem, and construct a geometric determinant line bundle for families of such operators, computing its curvature and holonomy in terms of familiar index theoretic quantities.
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