Physical Review Letters, ISSN 0031-9007, 05/2012, Volume 108, Issue 20, p. 201301

We compute the coefficient of the potential three-loop four-point ultraviolet divergence in pure N = 4 supergravity and show that it vanishes, contrary to...

LIMITS | YANG-MILLS | PHYSICS, MULTIDISCIPLINARY | LOOP AMPLITUDES | COUNTERTERMS | RENORMALIZABILITY | EXTENDED SUPERGRAVITY

LIMITS | YANG-MILLS | PHYSICS, MULTIDISCIPLINARY | LOOP AMPLITUDES | COUNTERTERMS | RENORMALIZABILITY | EXTENDED SUPERGRAVITY

Journal Article

Nuclear Physics, Section B, ISSN 0550-3213, 12/2019, Volume 949, p. 114798

Classically integrable -models are known to be solutions of the 1-loop RG equations, or “Ricci flow”, with only a few couplings running. In some of the...

INVARIANCE | S-MATRIX | 3-LOOP CALCULATION | BETA-FUNCTION | DEFORMATIONS | RENORMALIZABILITY | T-DUALITY | STRING THEORY | EQUIVALENCE | DILATON | PHYSICS, PARTICLES & FIELDS

INVARIANCE | S-MATRIX | 3-LOOP CALCULATION | BETA-FUNCTION | DEFORMATIONS | RENORMALIZABILITY | T-DUALITY | STRING THEORY | EQUIVALENCE | DILATON | PHYSICS, PARTICLES & FIELDS

Journal Article

Physical Review Letters, ISSN 0031-9007, 04/2007, Volume 98, Issue 16, p. 161303

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...

PHYSICS, MULTIDISCIPLINARY | UNITARITY | COUNTERTERMS | DIVERGENCES | RENORMALIZABILITY | GRAVITY | TREE AMPLITUDES | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | SUPERGRAVITY | YANG-MILLS THEORY | ULTRAVIOLET RADIATION | QUANTUM GRAVITY | AMPLITUDES

PHYSICS, MULTIDISCIPLINARY | UNITARITY | COUNTERTERMS | DIVERGENCES | RENORMALIZABILITY | GRAVITY | TREE AMPLITUDES | PHYSICS OF ELEMENTARY PARTICLES AND FIELDS | SUPERGRAVITY | YANG-MILLS THEORY | ULTRAVIOLET RADIATION | QUANTUM GRAVITY | AMPLITUDES

Journal Article

Physical Review Letters, ISSN 0031-9007, 08/2009, Volume 103, Issue 8, p. 081301

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...

YANG-MILLS | PHYSICS, MULTIDISCIPLINARY | UNITARITY | DIVERGENCES | RENORMALIZABILITY | GRAVITY | TREE AMPLITUDES | Physics - High Energy Physics - Theory | FIELD THEORIES | SUPERGRAVITY | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | ULTRAVIOLET RADIATION | PERTURBATION THEORY | ELECTROMAGNETIC RADIATION | RADIATIONS | UNIFIED-FIELD THEORIES

YANG-MILLS | PHYSICS, MULTIDISCIPLINARY | UNITARITY | DIVERGENCES | RENORMALIZABILITY | GRAVITY | TREE AMPLITUDES | Physics - High Energy Physics - Theory | FIELD THEORIES | SUPERGRAVITY | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | ULTRAVIOLET RADIATION | PERTURBATION THEORY | ELECTROMAGNETIC RADIATION | RADIATIONS | UNIFIED-FIELD THEORIES

Journal Article

Physics Letters B, ISSN 0370-2693, 04/2016, Volume 755, pp. 279 - 284

We suggest and briefly review a new sort of superrenormalizable models of higher derivative quantum gravity. The higher derivative terms in the action can be...

Higher derivatives | Complex poles | Quantum gravity | FIELD-THEORY | ASYMPTOTIC FREEDOM | UNITARITY | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | RENORMALIZABILITY | PHYSICS, PARTICLES & FIELDS | Derivatives (Financial instruments) | Analysis | Poles | Ghosts | Degrees of freedom | Mathematical analysis | Elementary particles | Quantization | Derivatives | General Relativity and Quantum Cosmology | Nuclear and High Energy Physics | квантовая гравитация | High Energy Physics - Theory | Physics

Higher derivatives | Complex poles | Quantum gravity | FIELD-THEORY | ASYMPTOTIC FREEDOM | UNITARITY | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | RENORMALIZABILITY | PHYSICS, PARTICLES & FIELDS | Derivatives (Financial instruments) | Analysis | Poles | Ghosts | Degrees of freedom | Mathematical analysis | Elementary particles | Quantization | Derivatives | General Relativity and Quantum Cosmology | Nuclear and High Energy Physics | квантовая гравитация | High Energy Physics - Theory | Physics

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 11/2015, Volume 2015, Issue 11, pp. 1 - 53

We give a prescription for the computation of loop-level scattering amplitudes in pure Einstein gravity, and four-dimensional pure supergravities, using the...

Supergravity Models | Gauge Symmetry | Scattering Amplitudes | Supersymmetric gauge theory | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | SCATTERING-AMPLITUDES | LOOP AMPLITUDES | RENORMALIZABILITY | GAUGE | TREE AMPLITUDES | PHYSICS, PARTICLES & FIELDS | Analysis | Algebra | Kinematics | Ghosts | Gravitation | Construction | Amplitudes | Lie groups | Scattering amplitude | Dilatons | Supergravity | Physics - High Energy Physics - Theory | Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Theory | High Energy Physics - Theory

Supergravity Models | Gauge Symmetry | Scattering Amplitudes | Supersymmetric gauge theory | Quantum Physics | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | SCATTERING-AMPLITUDES | LOOP AMPLITUDES | RENORMALIZABILITY | GAUGE | TREE AMPLITUDES | PHYSICS, PARTICLES & FIELDS | Analysis | Algebra | Kinematics | Ghosts | Gravitation | Construction | Amplitudes | Lie groups | Scattering amplitude | Dilatons | Supergravity | Physics - High Energy Physics - Theory | Phenomenology | High Energy Physics | Nuclear and High Energy Physics | Theory | High Energy Physics - Theory

Journal Article

Physical Review Letters, ISSN 0031-9007, 2006, Volume 97, Issue 22, p. 221301

We recalculate the beta functions of higher-derivative gravity in four dimensions using the one-loop approximation to an exact renormalization group equation....

QUANTUM EINSTEIN GRAVITY | DIMENSIONS | RENORMALIZABILITY | PHYSICS, MULTIDISCIPLINARY | Physics - High Energy Physics - Theory | COSMOLOGICAL CONSTANT | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | APPROXIMATIONS | EQUATIONS | GRAVITATION | FUNCTIONS | RENORMALIZATION

QUANTUM EINSTEIN GRAVITY | DIMENSIONS | RENORMALIZABILITY | PHYSICS, MULTIDISCIPLINARY | Physics - High Energy Physics - Theory | COSMOLOGICAL CONSTANT | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | APPROXIMATIONS | EQUATIONS | GRAVITATION | FUNCTIONS | RENORMALIZATION

Journal Article

Physical Review. D, Particles, Fields, Gravitation, and Cosmology, ISSN 1550-7998, 2015, Volume 91, Issue 2, p. 025025

The generalized spectral dimension D-S(T) provides a powerful tool for comparing different approaches to quantum gravity. In this work, we apply this formalism...

STANDARD MODEL | REDUCTION | NONCOMMUTATIVE GEOMETRY | ASTRONOMY & ASTROPHYSICS | UNIFICATION | PLANCK-SCALE | GRAVITY | RENORMALIZABILITY CONDITIONS | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory

STANDARD MODEL | REDUCTION | NONCOMMUTATIVE GEOMETRY | ASTRONOMY & ASTROPHYSICS | UNIFICATION | PLANCK-SCALE | GRAVITY | RENORMALIZABILITY CONDITIONS | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory

Journal Article

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, ISSN 1475-7516, 10/2019, Volume 2019, Issue 10, pp. 58 - 58

We present a method for furnishing flat Friedman-Robertson-Walker spacetimes with nearly arbitrary dynamics in an important subclass of cubic Horndeski theory...

modified gravity | GENERAL-RELATIVITY | ASTRONOMY & ASTROPHYSICS | dark energy theory | CONSTANT | RENORMALIZABILITY | NONRENORMALIZABILITY | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology

modified gravity | GENERAL-RELATIVITY | ASTRONOMY & ASTROPHYSICS | dark energy theory | CONSTANT | RENORMALIZABILITY | NONRENORMALIZABILITY | PHYSICS, PARTICLES & FIELDS | Physics - General Relativity and Quantum Cosmology

Journal Article

SYMMETRY-BASEL, ISSN 2073-8994, 11/2019, Volume 11, Issue 11, p. 1334

We consider R + R-2 relativistic quantum gravity with the action where all possible terms quadratic in the curvature tensor are added to the Einstein-Hilbert...

renormalizability | modified theories of gravity | quantum gravity | unitarity | MULTIDISCIPLINARY SCIENCES

renormalizability | modified theories of gravity | quantum gravity | unitarity | MULTIDISCIPLINARY SCIENCES

Journal Article

Synthese, ISSN 0039-7857, 2019

Journal Article

Physical Review D, ISSN 2470-0010, 08/2017, Volume 96, Issue 3

We show that quasi-parton distribution functions (quasi-PDFs) may be treated as hybrids of PDFs and primordial rest-frame momentum distributions of partons....

RENORMALIZABILITY | QCD | ASTRONOMY & ASTROPHYSICS | SCATTERING | PHYSICS, PARTICLES & FIELDS

RENORMALIZABILITY | QCD | ASTRONOMY & ASTROPHYSICS | SCATTERING | PHYSICS, PARTICLES & FIELDS

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 2011, Volume 2011, Issue 12

We present the full two-loop four-graviton amplitudes in N = 4, 5, 6 supergravity. These results were obtained using the double-copy structure of gravity,...

Supergravity models | Supersymmetric gauge theory | SCATTERING-AMPLITUDES | Supergravity Models | BEHAVIOR | COUNTERTERMS | DIVERGENCES | N=8 SUPERGRAVITY | RENORMALIZABILITY | GRAVITY | TREE AMPLITUDES | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory

Supergravity models | Supersymmetric gauge theory | SCATTERING-AMPLITUDES | Supergravity Models | BEHAVIOR | COUNTERTERMS | DIVERGENCES | N=8 SUPERGRAVITY | RENORMALIZABILITY | GRAVITY | TREE AMPLITUDES | PHYSICS, PARTICLES & FIELDS | Physics - High Energy Physics - Theory

Journal Article

PHYSICS LETTERS B, ISSN 0370-2693, 02/2012, Volume 708, Issue 1-2, pp. 150 - 156

We investigate e(+)e(-) -> gamma gamma process within the Seiberg-Witten expanded noncommutative standard model (NCSM) scenario in the presence of anomalous...

SPACE-TIME | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | RENORMALIZABILITY | PHYSICS, PARTICLES & FIELDS

SPACE-TIME | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | RENORMALIZABILITY | PHYSICS, PARTICLES & FIELDS

Journal Article

JOURNAL OF HIGH ENERGY PHYSICS, ISSN 1029-8479, 05/2019, Volume 2019, Issue 5, pp. 1 - 36

We discuss the connection between Weyl(2) supergravity and superstrings and further discuss holography between 4-dimensional, N = 4 superconformal Weyl(2)...

Superstring Vacua | D-branes | MODELS | ANOMALIES | AdS-CFT Correspondence | RENORMALIZABILITY | Conformal Field Models in String Theory | GRAVITY | MULTIPLETS | PHYSICS, PARTICLES & FIELDS | String theory | Supersymmetry | Artifacts | Holography | Field theory | Supergravity | Branes

Superstring Vacua | D-branes | MODELS | ANOMALIES | AdS-CFT Correspondence | RENORMALIZABILITY | Conformal Field Models in String Theory | GRAVITY | MULTIPLETS | PHYSICS, PARTICLES & FIELDS | String theory | Supersymmetry | Artifacts | Holography | Field theory | Supergravity | Branes

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 7/2018, Volume 2018, Issue 7, pp. 1 - 42

Using the background-field method we demonstrate the Becchi-Rouet-Stora-Tyutin (BRST) structure of counterterms in a broad class of gauge theories. Put simply,...

Gauge Symmetry | BRST Quantization | Quantum Physics | Quantum Field Theories, String Theory | Effective Field Theories | Classical and Quantum Gravitation, Relativity Theory | Physics | Models of Quantum Gravity | Elementary Particles, Quantum Field Theory | YANG-MILLS THEORY | LOCAL BRST COHOMOLOGY | ANOMALIES | INVARIANT RENORMALIZABILITY | FORMULATION | QUANTUM-THEORY | GRAVITY | PHYSICS, PARTICLES & FIELDS | Anisotropy | Analysis | Relativism | Gauge invariance | Gravitation | Subgroups | Relativistic effects | General Relativity and Quantum Cosmology | High Energy Physics | Theory | Nuclear and particle physics. Atomic energy. Radioactivity | High Energy Physics - Theory | Lattice

Gauge Symmetry | BRST Quantization | Quantum Physics | Quantum Field Theories, String Theory | Effective Field Theories | Classical and Quantum Gravitation, Relativity Theory | Physics | Models of Quantum Gravity | Elementary Particles, Quantum Field Theory | YANG-MILLS THEORY | LOCAL BRST COHOMOLOGY | ANOMALIES | INVARIANT RENORMALIZABILITY | FORMULATION | QUANTUM-THEORY | GRAVITY | PHYSICS, PARTICLES & FIELDS | Anisotropy | Analysis | Relativism | Gauge invariance | Gravitation | Subgroups | Relativistic effects | General Relativity and Quantum Cosmology | High Energy Physics | Theory | Nuclear and particle physics. Atomic energy. Radioactivity | High Energy Physics - Theory | Lattice

Journal Article

Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, 04/2016, Volume 49, Issue 21, p. 215401

The amplitude A(s, t) for ultra-high energy scattering can be found in the leading eikonal approximation by considering propagation in an Aichelburg-Sexl...

UV completion | gravitational shockwaves | renormalizability | causality | PHYSICS, MULTIDISCIPLINARY | SPACETIME | PHYSICS, MATHEMATICAL

UV completion | gravitational shockwaves | renormalizability | causality | PHYSICS, MULTIDISCIPLINARY | SPACETIME | PHYSICS, MATHEMATICAL

Journal Article

CURRENT SCIENCE, ISSN 0011-3891, 12/2015, Volume 109, Issue 12, pp. 2243 - 2249

After a brief historical introduction on quantum gravity as a whole, the current status of loop quantum gravity is discussed. Because of space limitation, I...

RENORMALIZABILITY | loop quantum gravity | quantum gravity | MULTIDISCIPLINARY SCIENCES | General relativity

RENORMALIZABILITY | loop quantum gravity | quantum gravity | MULTIDISCIPLINARY SCIENCES | General relativity

Journal Article

Journal of High Energy Physics, ISSN 1126-6708, 8/2018, Volume 2018, Issue 8, pp. 1 - 24

In this paper we study the spectrum of all conformal, N $$ \mathcal{N} $$-extended supergravities ( N $$ \mathcal{N} $$ = 1, 2, 3, 4) in four space-time...

Supergravity Models | Extended Supersymmetry | Quantum Physics | Conformal and W Symmetry | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | MODELS | INFLATION | ANOMALIES | HIGHER-DERIVATIVE SUPERGRAVITY | RENORMALIZABILITY | PHYSICS, PARTICLES & FIELDS | Astronomy | Supergravity | Physics - High Energy Physics - Theory | General Relativity and Quantum Cosmology | Phenomenology | High Energy Physics | Theory | Nuclear and particle physics. Atomic energy. Radioactivity | High Energy Physics - Theory

Supergravity Models | Extended Supersymmetry | Quantum Physics | Conformal and W Symmetry | Quantum Field Theories, String Theory | Classical and Quantum Gravitation, Relativity Theory | Physics | Elementary Particles, Quantum Field Theory | MODELS | INFLATION | ANOMALIES | HIGHER-DERIVATIVE SUPERGRAVITY | RENORMALIZABILITY | PHYSICS, PARTICLES & FIELDS | Astronomy | Supergravity | Physics - High Energy Physics - Theory | General Relativity and Quantum Cosmology | Phenomenology | High Energy Physics | Theory | Nuclear and particle physics. Atomic energy. Radioactivity | High Energy Physics - Theory

Journal Article

Modern Physics Letters A, ISSN 0217-7323, 07/2019, Volume 34, Issue 22, p. 1950176

The stochastic quantization scheme proposed by Parisi and Wu in 1981 is known to have differences from conventional quantum field theory (CQFT) in higher...

massless fermion | Stochastic quantization | gauge theory | renormalizability | axial vector anomaly | axial vector gauge theory | radiative corrections | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | PHYSICS, MATHEMATICAL | PHYSICS, PARTICLES & FIELDS

massless fermion | Stochastic quantization | gauge theory | renormalizability | axial vector anomaly | axial vector gauge theory | radiative corrections | ASTRONOMY & ASTROPHYSICS | PHYSICS, NUCLEAR | PHYSICS, MATHEMATICAL | PHYSICS, PARTICLES & FIELDS

Journal Article

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