New effects in gauge theory from pp-wave superstrings

Igor R. Klebanov; Marcus Spradlin; Anastasia Volovich

doi:10.1016/S0370-2693(02)02841-1

New effects in gauge theory from pp-wave superstrings

Igor R. Klebanov, Marcus Spradlin, Anastasia Volovich

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Abstract

It has recently been observed that IIb string theory in the pp-wave background can be used to calculate certain quantities, such as the dimensions of BMN operators, as exact functions of the effective coupling λ′ = λ/J². These functions interpolate smoothly between the weak and strong effective coupling regimes of N = 4 SYM theory at large R charge J. In this Letter we use the pp-wave superstring field theory of hep-th/0204146 to study more complicated observables. The expansion of the three-string interaction vertex suggests more complicated interpolating functions which in general give rise to fractional powers of λ′ in physical observables at weak effective coupling.

Original language	English (US)
Pages (from-to)	111-118
Number of pages	8
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	548
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(02)02841-1
State	Published - Nov 14 2002

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1016/S0370-2693(02)02841-1

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title = "New effects in gauge theory from pp-wave superstrings",

abstract = "It has recently been observed that IIb string theory in the pp-wave background can be used to calculate certain quantities, such as the dimensions of BMN operators, as exact functions of the effective coupling λ′ = λ/J2. These functions interpolate smoothly between the weak and strong effective coupling regimes of N = 4 SYM theory at large R charge J. In this Letter we use the pp-wave superstring field theory of hep-th/0204146 to study more complicated observables. The expansion of the three-string interaction vertex suggests more complicated interpolating functions which in general give rise to fractional powers of λ′ in physical observables at weak effective coupling.",

author = "Klebanov, {Igor R.} and Marcus Spradlin and Anastasia Volovich",

note = "Funding Information: We thank D. Freedman, N. Itzhaki and S. Minwalla for helpful discussions. The work of I.R.K. was supported in part by the NSF grant PHY-9802484. M.S. and A.V. are supported in part by DOE grants DE-FG02-91ER40671 and DE-FG02-91ER40654, respectively. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation. ",

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doi = "10.1016/S0370-2693(02)02841-1",

language = "English (US)",

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T1 - New effects in gauge theory from pp-wave superstrings

AU - Klebanov, Igor R.

AU - Spradlin, Marcus

AU - Volovich, Anastasia

N1 - Funding Information: We thank D. Freedman, N. Itzhaki and S. Minwalla for helpful discussions. The work of I.R.K. was supported in part by the NSF grant PHY-9802484. M.S. and A.V. are supported in part by DOE grants DE-FG02-91ER40671 and DE-FG02-91ER40654, respectively. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.

PY - 2002/11/14

Y1 - 2002/11/14

N2 - It has recently been observed that IIb string theory in the pp-wave background can be used to calculate certain quantities, such as the dimensions of BMN operators, as exact functions of the effective coupling λ′ = λ/J2. These functions interpolate smoothly between the weak and strong effective coupling regimes of N = 4 SYM theory at large R charge J. In this Letter we use the pp-wave superstring field theory of hep-th/0204146 to study more complicated observables. The expansion of the three-string interaction vertex suggests more complicated interpolating functions which in general give rise to fractional powers of λ′ in physical observables at weak effective coupling.

AB - It has recently been observed that IIb string theory in the pp-wave background can be used to calculate certain quantities, such as the dimensions of BMN operators, as exact functions of the effective coupling λ′ = λ/J2. These functions interpolate smoothly between the weak and strong effective coupling regimes of N = 4 SYM theory at large R charge J. In this Letter we use the pp-wave superstring field theory of hep-th/0204146 to study more complicated observables. The expansion of the three-string interaction vertex suggests more complicated interpolating functions which in general give rise to fractional powers of λ′ in physical observables at weak effective coupling.

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U2 - 10.1016/S0370-2693(02)02841-1

DO - 10.1016/S0370-2693(02)02841-1

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-2

ER -

New effects in gauge theory from pp-wave superstrings

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