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19912026
most citedA New Method for Combining NLO QCD with Shower Monte Carlo Algorithms

2.8k citations

Showing 2000 · hep-thShow all

28 papers · 2 filters

hep-th2000★ 18 cited

A note on regular type 0 solutions and confining gauge theories

F. Bigazzi, L. Girardello, A. Zaffaroni

We discuss some features of the regular supergravity solution for fractional branes on a deformed conifold, recently found by Klebanov-Strassler, mostly adapting it to a type 0 non…

hep-th2000★ 49 cited

Noncommutative super U(N) Yang-Mills: UV/IR mixing and effective action results at one loop

Daniela Zanon

Noncommutative and supersymmetric Yang-Mills theories with gauge group U(N) are studied here using the background field method and superspace background c…

hep-th2000★ 36 cited

Algebraic Aspects of the Background Field Method

R. Ferrari, M. Picariello, A. Quadri

We discuss some algebraic properties of the background field method. We introduce an extra gauge-fixing term for the background gauge field right at the beginning in the action in…

hep-th2000★ 11 cited

Large N limit of Calogero-Moser models and Conformal Field Theories

M. Cadoni, P. Carta, D. Klemm

We discuss the large N limit of Calogero-Moser models for the classical infinite families of simple Lie algebras A_N, B_N, C_N and D_N. We show that the limit defines two different…

hep-th2000★ 31 cited

The one-loop effective action of noncommutative {\cal N}=4 super Yang-Mills is gauge invariant

Mario Pernici, Alberto Santambrogio, Daniela Zanon

We study the gauge transformation of the recently computed one-loop four-point function of {\cal N}=4 supersymmetric Yang-Mills theory with gauge group U(N). The contributions from…

hep-th2000★ 98 cited

Charged Rotating Black Holes in 5d Einstein-Maxwell-(A)dS Gravity

D. Klemm, W. A. Sabra

We obtain charged rotating black hole solutions to the theory of Einstein-Maxwell gravity with cosmological constant in five dimensions. Some of the physical properties of these bl…

hep-th2000★ 76 cited

General (Anti-)de Sitter Black Holes in Five Dimensions

D. Klemm, W. A. Sabra

We find a general class of rotating charged black hole solutions to N=2, D=5 gauged supergravity coupled to vector supermultiplets. The supersymmetry properties of these solutions…

hep-th2000★ 18 cited

One-loop four-point function in noncommutative {\cal N}=4 Yang-Mills theory

Alberto Santambrogio, Daniela Zanon

We compute the one-loop four-point function in {\cal N}=4 supersymmetric Yang-Mills theory with gauge group U(N). We perform the calculation in {\cal N}=1 superspace using the back…

hep-th2000★ 15 cited

Noncommutative Supersymmetric Gauge Anomaly

Marcus T. Grisaru, Silvia Penati

We extend the general method of hep-th/0009192 to compute the consistent gauge anomaly for noncommutative 4d SSYM coupled to chiral matter. The choice of the minimal homotopy path…

hep-th2000★ 34 cited

Noncommutative perturbation in superspace

Daniela Zanon

We consider noncommutative {\cal N}=4 supersymmetric U(N) Yang-Mills theory. Using the {\cal N}=1 superfield formalism and the background field method we compute one-loop four poin…

hep-th2000★ 26 cited

Supersymmetric Gauge Anomaly with General Homotopic Paths

S. J. Gates, M. T. Grisaru, M. E. Knutt +2

We use the method of Banerjee, Banerjee and Mitra and minimal homotopy paths to compute the consistent gauge anomaly for several superspace models of SSYM coupled to matter. We rev…

hep-th2000★ 47 cited

AdS_2 Gravity as Conformally Invariant Mechanical System

M. Cadoni, P. Carta, D. Klemm +1

We show that two-dimensional (2D) AdS gravity induces on the spacetime boundary a conformally invariant dynamics that can be described in terms of a de Alfaro-Fubini-Furlan model c…

hep-th2000★ 12 cited

Non abelian N=2 supersymmetric Born Infeld action

A. Refolli, N. Terzi, D. Zanon

We present a N=2 supersymmetric action for the Born Infeld theory in the non abelian case. We quantize the theory in N=1 superspace and compute divergences at one-loop. The result…

hep-th2000★ 63 cited

More on correlators and contact terms in {\cal N}=4 SYM at order g^4

S. Penati, A. Santambrogio, D. Zanon

We compute two-point functions of chiral operators Tr(Φ^k) for any k, in {\cal N}=4 supersymmetric SU(N) Yang-Mills theory. We find that up to the order g^4 the perturbative correc…

hep-th2000★ 32 cited

Shadow multiplets in AdS_4/CFT_3 and the super-Higgs mechanism: hints of new shadow supergravities

M. Billo`, D. Fabbri, P. Fre` +2

We discuss a general pairing that occurs in compactifications of M-theory on AdS_4 x X^7 backgrounds between massless ultra short multiplets and their massive shadows, namely certa…

hep-th2000★ 53 cited

Rings of short N=3 superfields in three dimensions and M-theory on AdS_4 x N^{0,1,0}

M. Billo`, D. Fabbri, P. Fre` +2

In this paper we investigate three-dimensional superconformal gauge theories with N=3 supersymmetry. Independently from specific models, we derive the shortening conditions for uni…

hep-th2000★ 6 cited

Entropy of Black Holes in D=5, N=2 Supergravity and AdS Central Charges

S. Cacciatori, D. Klemm, W. A. Sabra +1

We consider general black holes in D=5, N=2 supergravity coupled to vector multiplets, and discuss the issue of microstate counting from various viewpoints. The statistical entropy…

hep-th2000★ 1 cited

On the strong coupling behavior of heterotic and type I orbifolds

Andrea Gregori

We study the bulk effective theory of a class of orbifolds of the type IIB string with D5-branes, compactified to four dimensions. These constructions are connected, in a region of…

hep-th2000★ 5 cited

Axial current in QED and semi-naive dimensional renormalization

M. Pernici, M. Raciti

We renormalize at two loops the axial current and in massless QED, using the recently proposed semi-naive dimensional renormalization scheme. We show that the results…

hep-th2000

Type IIB orbifolds with D5-branes and their string duals

Andrea Gregori

We consider Z2, freely acting orbifolds of the type IIB string with 16 parallel D5-branes. When the string is compactified on T2 X T4 and the D5-branes are wrapped on T2, these sys…

hep-th2000★ 18 cited

The Holographic RG flow to conformal and non-conformal theory

M. Petrini, A. Zaffaroni

We review some aspects of the AdS supergravity description of RG flows. The case of a flow to an IR CFT can be rigorously studied within the framework of supergravity. Here we disc…

hep-th2000★ 21 cited

Decomposing Quantum Fields on Branes

M. Bertola, J. Bros, V. Gorini +2

We provide a method to decompose the two-point function of a quantum field on a warped manifold in terms of fields living on a lower-dimensional manifold. We discuss explicit appli…

hep-th2000★ 25 cited

Holomorphy, Minimal Homotopy and the 4D, N = 1 Supersymmetric Bardeen-Gross-Jackiw Anomaly

S. James Gates, Marcus T. Grisaru, Silvia Penati

By use of a special homotopy operator, we present an explicit, closed-form and simple expression for the left-right Bardeen-Gross-Jackiw anomalies described as the proper superspac…

hep-th2000★ 2 cited

A Note on Interactions of (Non-Commutative) Instantons Via AdS/CFT

J. L. F. Barbon, A. Pasquinucci

We consider the interaction between instantons and anti-instantons in four-dimensional N=4 super-Yang-Mills theory at large N and large 't Hooft coupling as described by D-instanto…