Noncommutative Tachyons and K-Theory

Details Noncommutative Tachyons and K-Theory Noncommutative Tachyons and K-Theory

2000-09-04

arxiv.org/abs/hep-th/0009030v1

J.Math.Phys. 42 (2001) 2765-2780

Physics

High Energy Physics

High Energy Physics - Theory

24 pages, Harvmac b-mode

Scientific paper

We show that the relation between D-branes and noncommutative tachyons leads very naturally to the relation between D-branes and K-theory. We also discuss some relations between D-branes and K-homology, provide a noncommutative generalization of the ABS construction, and give a simple physical interpretation of Bott periodicity. In addition, a framework for constructing Neveu-Schwarz fivebranes as noncommutative solitons is proposed.

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