Results 41 to 50 of about 15,275,150 (324)
This is an exposition of recent progress in the categorical approach to D-brane physics. I discuss the physical underpinnings of the appearance of homotopy categories and triangulated categories of D-branes from a string field theoretic perspective, and with a focus on applications to homological mirror symmetry.
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Tachyon tunnelling in D-brane-anti-D-brane [PDF]
15 pages, 4 figures, Latex file, minor changes, reference ...
Mohammad R. Garousi, Kazem Bitaghsir
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Non-BPS fractional branes with Bose-Fermi cancellation in asymmetric orbifolds
We study non-BPS D-branes in the type II string vacua with chiral space-time SUSY constructed based on the asymmetric orbifolds of K3≅T4/ℤ2 $$ \mathrm{K}3\cong {T}^4/{\mathrm{\mathbb{Z}}}_2 $$ as a succeeding work of [21].
Yuji Sugawara, Takahiro Uetoko
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Entanglement thermodynamics for nonconformal D-branes [PDF]
We study thermodynamics of entanglement entropy for weakly excited states in certain non-conformal fields theories, whose gravity duals are given by non-conformal Dp-branes.
Da-Wei Pang
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Dirichlet Branes and Ramond-Ramond charges. [PDF]
We show that D-branes, extended objects defined by mixed Dirichlet-Neumann boundary conditions, break half the supersymmetries of the type II superstring and carry a complete set of electric and magnetic Ramond-Ramond charges. The product of the electric
J. Polchinski
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BPS D-branes from an Unstable D-brane [PDF]
We search for exact tachyon kink solutions of DBI type effective action describing an unstable D-brane with worldvolume gauge field turned in both the flat and a curved background. There are various kinds of solutions in the presence of electromagnetic fields in the flat space, such as periodic arrays, topological tachyon kinks, half kinks, and bounces.
O. Kab Kwon +4 more
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Effective world-brane actions for solitons of ten-dimensional type IIA and IIB superstring theory are derived using the formulation of solitons as Dirichlet branes. The one-brane actions are used to recover predictions of SL(2,Z) strong-weak coupling duality. The two-brane action, which contains a hidden eleventh target space coordinate, is shown to be
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49 pages, 6 figures, harvmac.
Takuya Okuda, Tadashi Takayanagi
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Phase transitions in GLSMs and defects
In this paper, we construct defects (domain walls) that connect different phases of two-dimensional gauged linear sigma models (GLSMs), as well as defects that embed those phases into the GLSMs.
Ilka Brunner +2 more
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