Quadratic α′-corrections to heterotic double field theory

@article{Lee2015QuadraticT,
  title={Quadratic $\alpha$′-corrections to heterotic double field theory},
  author={Kanghoon Lee},
  journal={Nuclear Physics},
  year={2015},
  volume={899},
  pages={594-616}
}

The Odd story of α′-corrections

The α′-deformed frame-like Double Field Theory (DFT) is a T-duality and gauge invariant extension of DFT in which generalized Green-Schwarz transformations provide a gauge principle that fixes the

The Odd story of α′-corrections

A bstractThe α′-deformed frame-like Double Field Theory (DFT) is a T-duality and gauge invariant extension of DFT in which generalized Green-Schwarz transformations provide a gauge principle that

Perturbative quantum gravity in double field theory

We study perturbative general relativity with a two-form and a dilaton using the double field theory formulation which features explicit index factorisation at the Lagrangian level. Explicit checks

The α′2 correction from double field theory

It is known that the order α′ correction to the tree-level effective action for the bosonic and heterotic string can be described in the framework of Double Field Theory (DFT). Here we determine the

Perturbative quantum gravity in double field theory

A bstractWe study perturbative general relativity with a two-form and a dilaton using the double field theory formulation which features explicit index factorisation at the Lagrangian level. Explicit

T-duality and α′-corrections

A bstractWe construct an O(d, d) invariant universal formulation of the first-order α′-corrections of the string effective actions involving the dilaton, metric and two-form fields. Two free

Higher-derivative heterotic Double Field Theory and classical double copy

The generalized Kerr-Schild ansatz (GKSA) is a powerful tool for constructing exact solutions in Double Field Theory (DFT). In this paper we focus in the heterotic formulation of DFT, considering up

Second order higher-derivative corrections in Double Field Theory

A bstractHSZ Double Field Theory is a higher-derivative theory of gravity with exact and manifest T-duality symmetry. The first order corrections in the massless sector were shown to be governed

String theory at order α′2 and the generalized Bergshoeff-de Roo identification

It has been shown by Marques and Nunez that the first α′-correction to the bosonic and heterotic string can be captured in the O(D, D) covariant formalism of Double Field Theory via a certain

Non-geometric Five-branes in Heterotic Supergravity

We study non-geometric five-branes in heterotic supergravity where the first order α′-corrections are present. By performing the α′-corrected T-duality transformations of the heterotic NS5-brane

References

SHOWING 1-10 OF 61 REFERENCES

Double field theory at order α′

A bstractWe investigate α′ corrections of bosonic strings in the framework of double field theory. The previously introduced “doubled α′-geometry” gives α′-deformed gauge transformations arising in

Heterotic α’-corrections in Double Field Theory

A bstractWe extend the generalized flux formulation of Double Field Theory to include all the first order bosonic contributions to the α′ expansion of the heterotic string low energy effective

Doubled α′-geometry

A bstractWe develop doubled-coordinate field theory to determine the α′ corrections to the massless sector of oriented bosonic closed string theory. Our key tool is a string current algebra of free

Exploring double field theory

A bstractWe consider a flux formulation of Double Field Theory in which fluxes are dynamical and field-dependent. Gauge consistency imposes a set of quadratic constraints on the dynamical fluxes,

Double Field Theory and N=4 Gauged Supergravity

Double Field Theory describes the NS-NS sector of string theory and lives on a doubled spacetime. The theory has a local gauge symmetry generated by a generalization of the Lie derivative for doubled

The effective action of double field theory

A bstractWe perform a generalized Scherk-Schwarz dimensional reduction of Double Field Theory on a twisted double torus. The four dimensional effective action is shown to exactly reproduce the

Double field theory formulation of heterotic strings

We extend the recently constructed double field theory formulation of the low-energy theory of the closed bosonic string to the heterotic string. The action can be written in terms of a generalized

Background independent action for double field theory

Double field theory describes a massless subsector of closed string theory with both momentum and winding excitations. The gauge algebra is governed by the Courant bracket in certain subsectors of

Duality invariant M-theory: gauged supergravities and Scherk-Schwarz reductions

A bstractWe consider the reduction of the duality invariant approach to M-theory by a U-duality group valued Scherk-Schwarz twist. The result is to produce potentials for gauged supergravities that
...