### Abstract

We show that the NCOS (noncommutative open string) theories on torus T^{p} (p≤5) are U-dual to matrix theory on torus with electric flux background. Under U-duality, the number of D-branes and the number of units of electric flux get interchanged. Furthermore, under the same U-duality the decoupling limit taken in the NCOS theory maps to the decoupling limit taken in the matrix theory, thus ensure the U-duality between those two class of theories. We consider the energy needed for Higgsing process and some bound states with finite energy and find agreements in both theories.

Original language | English |
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Pages (from-to) | 276-290 |

Number of pages | 15 |

Journal | Nuclear Physics B |

Volume | 598 |

Issue number | 1-2 |

DOIs | |

Publication status | Published - 2001 Mar 19 |

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### All Science Journal Classification (ASJC) codes

- Nuclear and High Energy Physics

### Cite this

*Nuclear Physics B*,

*598*(1-2), 276-290. https://doi.org/10.1016/S0550-3213(00)00737-9

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*Nuclear Physics B*, vol. 598, no. 1-2, pp. 276-290. https://doi.org/10.1016/S0550-3213(00)00737-9

**U-duality between NCOS theory and matrix theory.** / Hyun, Seungjoon.

Research output: Contribution to journal › Article

TY - JOUR

T1 - U-duality between NCOS theory and matrix theory

AU - Hyun, Seungjoon

PY - 2001/3/19

Y1 - 2001/3/19

N2 - We show that the NCOS (noncommutative open string) theories on torus Tp (p≤5) are U-dual to matrix theory on torus with electric flux background. Under U-duality, the number of D-branes and the number of units of electric flux get interchanged. Furthermore, under the same U-duality the decoupling limit taken in the NCOS theory maps to the decoupling limit taken in the matrix theory, thus ensure the U-duality between those two class of theories. We consider the energy needed for Higgsing process and some bound states with finite energy and find agreements in both theories.

AB - We show that the NCOS (noncommutative open string) theories on torus Tp (p≤5) are U-dual to matrix theory on torus with electric flux background. Under U-duality, the number of D-branes and the number of units of electric flux get interchanged. Furthermore, under the same U-duality the decoupling limit taken in the NCOS theory maps to the decoupling limit taken in the matrix theory, thus ensure the U-duality between those two class of theories. We consider the energy needed for Higgsing process and some bound states with finite energy and find agreements in both theories.

UR - http://www.scopus.com/inward/record.url?scp=0035911860&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0035911860&partnerID=8YFLogxK

U2 - 10.1016/S0550-3213(00)00737-9

DO - 10.1016/S0550-3213(00)00737-9

M3 - Article

AN - SCOPUS:0035911860

VL - 598

SP - 276

EP - 290

JO - Nuclear Physics B

JF - Nuclear Physics B

SN - 0550-3213

IS - 1-2

ER -