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Type-I vacua and brane transmutation

C. Angelantonj, A. Sagnotti

Abstract

In a classic paper, Fradkin and Tseytlin showed how magnetic deformations can be introduced in open strings. In this contribution we review some recent work on type-I vacua with magnetised branes and describe the role of additional discrete deformations, related to quantised values of the NS-NS antisymmetric tensor B_ab.

Type-I vacua and brane transmutation

Abstract

In a classic paper, Fradkin and Tseytlin showed how magnetic deformations can be introduced in open strings. In this contribution we review some recent work on type-I vacua with magnetised branes and describe the role of additional discrete deformations, related to quantised values of the NS-NS antisymmetric tensor B_ab.

Paper Structure

This paper contains 3 sections, 26 equations, 1 table.

Table of Contents

  1. Introduction
  2. Magnetised orbifolds and brane transmutation
  3. Introducing a quantised $B_{ab}$