Search Results - "Roiban, R"

On four-point interactions in massless higher spin theory in flat space by Roiban, R., Tseytlin, A. A.

“…A bstract We consider a minimal interacting theory of a single tower of spin j = 0, 2, 4,… massless Fronsdal fields in flat space with local Lorentz-covariant…”
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Gauged Supergravities and Spontaneous Supersymmetry Breaking from the Double Copy Construction by Chiodaroli, M, Günaydin, M, Johansson, H, Roiban, R

“…Supergravities with gauged R symmetry and Minkowski vacua allow for spontaneous supersymmetry breaking and, as such, provide a framework for building…”
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Complete Construction of Magical, Symmetric, and Homogeneous N=2 Supergravities as Double Copies of Gauge Theories by Chiodaroli, M, Günaydin, M, Johansson, H, Roiban, R

“…We show that scattering amplitudes in magical, symmetric or homogeneous N=2 Maxwell-Einstein supergravities can be obtained as double copies of two gauge…”
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Color/kinematics duality for general abelian orbifolds of N = 4 super Yang-Mills theory by Chiodaroli, M, Jin, Q, Roiban, R

“…(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) Abstract To explore color/kinematics duality for general representations of the…”
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On the U(1) duality anomaly and the S-matrix of = 4 supergravity by Carrasco, J. J. M., Kallosh, R., Roiban, R., Tseytlin, A. A.

“…A bstract = 4 Poincaré supergravity has a global SU(1, 1) duality symmetry that acts manifestly only on shell as it involves duality rotations of vector…”
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Ultraviolet behavior of N = 8 supergravity at four loops by Bern, Z, Carrasco, J J M, Dixon, L J, Johansson, H, Roiban, R

“…We describe the construction of the complete four-loop four-particle amplitude of N=8 supergravity. The amplitude is ultraviolet finite, not only in four…”
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Is N=8 supergravity ultraviolet finite? by Bern, Z., Dixon, L.J., Roiban, R.

“…Conventional wisdom holds that no four-dimensional gravity field theory can be ultraviolet finite. This understanding is based mainly on power counting. Recent…”
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Five-loop four-point amplitude of N=4 super-Yang-Mills theory by Bern, Z, Carrasco, J J M, Johansson, H, Roiban, R

“…Using the method of maximal cuts, we construct the complete D-dimensional integrand of the five-loop four-point amplitude of N=4 super-Yang-Mills theory,…”
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On the U(1) duality anomaly and the S-matrix of N = 4 supergravity by Carrasco, J J; M, Kallosh, R, Roiban, R, Tseytlin, A A

“…(ProQuest: ... denotes formulae and/or non-USASCII text omitted; see image) Abstract ... = 4 Poincaré supergravity has a global SU(1, 1) duality symmetry that…”
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Cancellations beyond finiteness in N=8 supergravity at three loops by Bern, Z, Carrasco, J J, Dixon, L J, Johansson, H, Kosower, D A, Roiban, R

“…We construct the three-loop four-point amplitude of N=8 supergravity using the unitarity method. The amplitude is ultraviolet finite in four dimensions. Novel…”
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On duality symmetry in perturbative quantum theory by Roiban, R., Tseytlin, A. A.

“…A bstract Non-compact symmetries of extended 4d supergravities involve duality rotations of vectors and thus are not manifest off-shell invariances in standard…”
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Supergravity backgrounds for deformations of AdSn×Sn supercoset string models by Lunin, O., Roiban, R., Tseytlin, A.A.

“…We consider type IIB supergravity backgrounds corresponding to the deformed AdSn×Sn×T10−2n supercoset string models of the type constructed in…”
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Scale invariance of the η-deformed AdS5×S5 superstring, T-duality and modified type II equations by Arutyunov, G., Frolov, S., Hoare, B., Roiban, R., Tseytlin, A.A.

“…We consider the ABF background underlying the η-deformed AdS5×S5 sigma model. This background fails to satisfy the standard IIB supergravity equations which…”
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Two-loop iteration of five-point N=4 super-Yang-Mills amplitudes by Bern, Z, Czakon, M, Kosower, D A, Roiban, R, Smirnov, V A

“…We confirm by explicit computation the conjectured all-orders iteration of planar maximally supersymmetric N=4 Yang-Mills theory in the nontrivial case of…”
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Gauge-string duality for (non)supersymmetric deformations of N = 4 super-Yang–Mills theory by Frolov, S.A., Roiban, R., Tseytlin, A.A.

“…We consider a nonsupersymmetric example of the AdS/CFT duality which generalizes the supersymmetric exactly marginal deformation constructed in hep-th/0502086…”
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Amplitudes and ultraviolet behavior of N = 8 supergravity by Bern, Z., Carrasco, J.J., Dixon, L.J., Johansson, H., Roiban, R.

“…In this contribution we describe computational tools that permit the evaluation of multi‐loop scattering amplitudes in 𝒩 = 8 supergravity, in terms of…”
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Simplifying multiloop integrands and ultraviolet divergences of gauge theory and gravity amplitudes by Bern, Z., Carrasco, J. J. M., Dixon, L. J., Johansson, H., Roiban, R.

“…We use the duality between color and kinematics to simplify the construction of the complete four-loop four-point amplitude of N = 4 super-Yang-Mills theory,…”
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Strong-coupling expansion of cusp anomaly and gluon amplitudes from quantum open strings in by Kruczenski, M., Roiban, R., Tirziu, A., Tseytlin, A.A.

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Color/kinematics duality for general abelian orbifolds of  = 4 super Yang-Mills theory by Chiodaroli, M., Jin, Q., Roiban, R.

“…A bstract To explore color/kinematics duality for general representations of the gauge group we formulate the duality for general abelian orbifolds of the SU(…”
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Color/kinematics duality for general abelian orbifolds of $ \mathcal{N} $  = 4 super Yang-Mills theory by Chiodaroli, M., Jin, Q., Roiban, R.

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