Disc amplitudes, picture changing and space-time actions

Becker, Katrin; Guo, Guang‐Yu; Robbins, Daniel

doi:10.1007/jhep01(2012)127

Cited by 18 publications

(24 citation statements)

References 45 publications

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“…To calculate the expression of the three-point function we are interested in we follow the notation and conventions presented in [15].…”

Section: Calculational Tools and Strategymentioning

confidence: 99%

“…We calculate type II superstring scattering amplitudes on world-sheets with the topology of a disk, with closed or open string insertions. We are following references [15], [16], and [3], where the formalism was developed and some simple amplitudes were computed. Similarly as done in these references, the final goal is to extract information about the corresponding Dp-brane effective actions.…”

Section: Introductionmentioning

confidence: 99%

“…Some new aspects of these actions are discussed in a forthcoming paper [17], where an interesting non-renormalization result for three-point functions involving a R-R field of type C (p+5) is presented. The calculation of the two-point function involving one R-R state and one NS-NS state appeared in earlier papers [18,19,20,21,22] or in the notation and conventions used herein in [15]. The three-point amplitude involving one R-R field of type C (p−3) was calculated in [16].…”

Section: Introductionmentioning

confidence: 99%

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Three-point disc amplitudes in the RNS formalism

Becker

Robbins

et al. 2016

Nuclear Physics B

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We calculate all tree level string theory vacuum to Dp-brane disc amplitudes involving an arbitrary RR-state and two NS-NS vertex operators. This computation was earlier performed by K. Becker, Guo, and Robbins for the simplest case of a RR-state of type C (p−3) . Here we use the aid of a computer to calculate all possible three-point amplitudes involving a RR-vertex operator of type C (p+1+2k) .

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“…To calculate the expression of the three-point function we are interested in we follow the notation and conventions presented in [15].…”

Section: Calculational Tools and Strategymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Three-point disc amplitudes in the RNS formalism

Becker

Robbins

et al. 2016

Nuclear Physics B

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“…the minimal number of allowed ccghost zero insertions. More general ghost insertions are also of interest [73,106,107,116,117], and it is straightforward to extend the results of this paper to include also these cases (although strict chiral splitting may be lost in these more general situations). In turn, every…”

Section: Generating Functionmentioning

confidence: 84%

Highly excited strings I: Generating function

2017

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This is the first of a series of detailed papers on string amplitudes with highly excited strings (HES). In the present paper we construct a generating function for string amplitudes with generic HES vertex operators using a fixed-loop momentum formalism. We generalise the proof of the chiral splitting theorem of D'Hoker and Phong to string amplitudes with arbitrary HES vertex operators (with generic KK and winding charges, polarisation tensors and oscillators) in general toroidal compactifications E = R D−1,1 × T Dcr−D (with generic constant Kähler and complex structure target space moduli, background Kaluza-Klein (KK) gauge fields and torsion). We adopt a novel approach that does not rely on a "reverse engineering" method to make explicit the loop momenta, thus avoiding a certain ambiguity pointed out in a recent paper by Sen, while also keeping the genus of the worldsheet generic. This approach will also be useful in discussions of quantum gravity and in particular in relation to black holes in string theory, non-locality and breakdown of local effective field theory, as well as in discussions of cosmic superstrings and their phenomenological relevance. We also discuss the manifestation of wave/particle (or rather wave/string) duality in string theory.

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“…The disk-level S-matrix element of one RR ðp − 3Þ form and two NSNS states has been calculated in [34,[38][39][40][41]. The amplitude is nonzero when the RR polarization has two, one, and zero transverse indices.…”

Section: Three Closed-string Amplitudesmentioning

confidence: 99%

Ramond-RamondS-matrix elements from theT-dual Ward identity

Velni

Garousi

2014

Phys. Rev. D

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Recently it has been speculated that the Ward identities associated with the string dualities and the gauge symmetries can be used as guiding principles to find all components of the scattering amplitude of n supergravitons from a given component of the S matrix. In this paper, we apply the Ward identities associated with the T duality and the gauge symmetries on the disk-level S-matrix element of one Ramond-Ramond (RR) ðp − 3Þ form, one Neveu-Schwarz-Neveu-Schwarz (NSNS), and one Neveu-Schwarz (NS) state to find the corresponding S-matrix elements of the RR ðp − 1Þ form, ðp þ 1Þ form, or the RR ðp þ 3Þ form on the world volume of a D p -brane. Moreover, we apply these Ward identities on the S-matrix element of one RR ðp − 3Þ form and two NSNS states to find the corresponding S-matrix elements of the RR ðp − 1Þ form, ðp þ 1Þ form, ðp þ 3Þ form, or the RR ðp þ 5Þ form. 1 Our conventions set α 0 ¼ 2 in the string-theory amplitudes. Our index convention is that the Greek letters ðμ; ν; …Þ are the indices of the space-time coordinates, the Latin letters ða; d; c; …Þ are the world-volume indices, and the letters ði; j; k; …Þ are the normal bundle indices. KOMEIL BABAEI VELNI AND MOHAMMAD R. GAROUSI PHYSICAL REVIEW D 89, 106002 (2014) 106002-4 I 4 ; J ¼ 2I 0 ; J 1 ¼ −ðI 6 þ I 7 Þ;J 2 ¼ −2I 0 − I 8 þ I 10 ; J 3 ¼ −I 3 ; J 5 ¼ I 8 ; J 13 ¼ 2I 0 þ I 2 ; J 14 ¼ 2I 0 þ I 1 :

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Disc amplitudes, picture changing and space-time actions

Cited by 18 publications

References 45 publications

Three-point disc amplitudes in the RNS formalism

Three-point disc amplitudes in the RNS formalism

Highly excited strings I: Generating function

Ramond-RamondS-matrix elements from theT-dual Ward identity

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