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“Double“ means the string coordinates and their T-dualized ones are bothincluded in the background grometry. The background becomes a“doubled space“. T-duality (or, O(n,n) transformation) is realized as a symmetry. Goal: to derive the O(n,n) invariant effective action for the D-brane in thedoubled formalism.Here comes your footer Page 2
Outline of this talk Introduction Doubled formalism of string worldsheet action, and double D-branes Effective action for the Double D-branes Discussion, and open issuesHere comes your footer Page 3
Page 1: Towards the Double Field Theoryfor
Page 5 and 6: T-duality Important as it relates d
Page 7 and 8: T-duality as O(n,n;Z) transformatio
Page 9 and 10: Examples of O(2,2;Z) transformation
Page 11 and 12: Hull‘s doubled formalism Since T-
Page 13 and 14: Hull geometrizes the T-fold on the
Page 15 and 16: One can define a natural O(n,n;Z) i
Page 17 and 18: In fact, Tseytlin already found the
Page 19 and 20: D-branes in double field theory (Do
Page 21 and 22: Conditions for the projectors Proje
Page 23 and 24: Examples: n=2 case D-brane pairD0-D
Page 25 and 26: What’s this D-brane configuration
Page 27 and 28: [1006.4823] Quick glance at Hull-Zw
Page 30 and 31: We are going to quantize a chiral-c
Page 32 and 33: The reduced notation for the extend
Page 34 and 35: The boundary interaction term corre
Page 36 and 37: In the end, the equation of motion
Page 38 and 39: This may be due to that the B-field
Page 40: Thank YouHere comes your footer Pag

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