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BPS D-branes on Non-supersymmetric Cycles

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arxiv hep-th/9812031 v3 pith:UA5YGULU submitted 1998-12-03 hep-th

classification hep-th
keywords d-branesnon-supersymmetriccyclesboundaryconfigurationsdescribedstabletheories
verification ladder T0 review T1 audit T2 compute T3 formal
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In certain regions of the moduli space of K3 and Calabi-Yau manifolds, D-branes wrapped on non-supersymmetric cycles may give rise to stable configurations. We show that in the orbifold limit, some of these stable configurations can be described by solvable boundary conformal field theories. The world-volume theory of N coincident branes of this type is described by a non-supersymmetric U(N) gauge theory. At the boundary of the region of stability, there are marginal deformations connecting the non-supersymmetric brane to a pair of D-branes wrapped on supersymmetric cycles. We also discuss various relationships between BPS and non-BPS D-branes of type II string theories.

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Cited by 3 Pith papers

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    By Euclidean path-integral methods, the authors claim the tunneling probability from a collapsing shell into a frozen star is unity, making the transition inevitable.

  3. Tachyonic AdS/QCD, Determining the Strong Running Coupling and \beta-function in both UV and IR Regions of AdS Space

    hep-ph 2022-06 unverdicted novelty 5.0 of 10

    A tachyonic AdS/QCD construction deforms the bulk geometry with a tachyon-dependent dielectric function to produce a unified running coupling from perturbative UV to nonperturbative IR regimes.

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