Two-loop string theory on null compactifications

H. C D Cove; Richard J. Szabo

doi:10.1016/j.nuclphysb.2006.02.028

Two-loop string theory on null compactifications

H. C D Cove, Richard J. Szabo

Research output: Contribution to journal › Article › peer-review

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Abstract

We compute the two-loop contributions to the free energy in the null compactification of perturbative string theory at finite temperature. The cases of bosonic, type II and heterotic strings are all treated. The calculation exploits an explicit reductive parametrization of the moduli space of infinite-momentum frame string worldsheets in terms of branched cover instantons. Various arithmetic and physical properties of the instanton sums are described. Applications to symmetric product orbifold conformal field theories and to the matrix string theory conjecture are also briefly discussed. © 2006 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	313-352
Number of pages	40
Journal	Nuclear Physics B
Volume	741
Issue number	1-2
DOIs	https://doi.org/10.1016/j.nuclphysb.2006.02.028
Publication status	Published - 1 May 2006

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10.1016/j.nuclphysb.2006.02.028

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title = "Two-loop string theory on null compactifications",

abstract = "We compute the two-loop contributions to the free energy in the null compactification of perturbative string theory at finite temperature. The cases of bosonic, type II and heterotic strings are all treated. The calculation exploits an explicit reductive parametrization of the moduli space of infinite-momentum frame string worldsheets in terms of branched cover instantons. Various arithmetic and physical properties of the instanton sums are described. Applications to symmetric product orbifold conformal field theories and to the matrix string theory conjecture are also briefly discussed. {\textcopyright} 2006 Elsevier B.V. All rights reserved.",

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AU - Szabo, Richard J.

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N2 - We compute the two-loop contributions to the free energy in the null compactification of perturbative string theory at finite temperature. The cases of bosonic, type II and heterotic strings are all treated. The calculation exploits an explicit reductive parametrization of the moduli space of infinite-momentum frame string worldsheets in terms of branched cover instantons. Various arithmetic and physical properties of the instanton sums are described. Applications to symmetric product orbifold conformal field theories and to the matrix string theory conjecture are also briefly discussed. © 2006 Elsevier B.V. All rights reserved.

AB - We compute the two-loop contributions to the free energy in the null compactification of perturbative string theory at finite temperature. The cases of bosonic, type II and heterotic strings are all treated. The calculation exploits an explicit reductive parametrization of the moduli space of infinite-momentum frame string worldsheets in terms of branched cover instantons. Various arithmetic and physical properties of the instanton sums are described. Applications to symmetric product orbifold conformal field theories and to the matrix string theory conjecture are also briefly discussed. © 2006 Elsevier B.V. All rights reserved.

U2 - 10.1016/j.nuclphysb.2006.02.028

DO - 10.1016/j.nuclphysb.2006.02.028

M3 - Article

SN - 0550-3213

VL - 741

SP - 313

EP - 352

JO - Nuclear Physics B

JF - Nuclear Physics B

IS - 1-2

ER -

Two-loop string theory on null compactifications

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