Results 81 to 90 of about 117,966 (253)
On the Operator Product Expansion in Noncommutative Quantum Field Theory [PDF]
, 2000 Motivated by the mixing of UV and IR effects, we test the OPE formula in non-commutative field theory. First we look at the renormalization of local composite operators, identifying some of their characteristic IR/UV singularities.
F. Zamora
semanticscholar +1 more source
Comments on the RG‐Flow in Open String Field Theory
Fortschritte der Physik, Volume 73, Issue 12, December 2025.Abstract We define a metric G$G$ on the KBc‐subalgebra modulo gauge and describe the worldsheet RG‐flow as the gradient flow of the action of cubic open string field theory, where the flow lines are kink‐solitons. In particular, for a constant tachyon the gradient flow equations are equivalent to the RG‐equations. Additionally, a more general family of
Julius Hristov
wiley +1 more source
Fortschritte der Physik, Volume 73, Issue 9-10, October 2025.Abstract The unification of conformal and fuzzy gravities with internal interactions is based on the facts that i) the tangent group of a curved manifold and the manifold itself do not necessarily have the same dimensions and ii) both gravitational theories considered here have been formulated in a gauge theoretic way.
Gregory Patellis +3 more
wiley +1 more source
UV/IR duality in noncommutative quantum field theory [PDF]
, 2010 We review the construction of renormalizable noncommutative Euclidean ϕ4-theories based on the UV/IR duality covariant modification of the standard field theory, and how the formalism can be extended to scalar field theories defined on noncommutative ...
André Fischer, R. Szabo
semanticscholar +1 more source
Noncommutative Harmonic Analysis, Sampling Theory and the Duflo Map in 2+1 Quantum Gravity
, 2007 We show that the $\star$-product for $U(su_2)$, group Fourier transform and effective action arising in [1] in an effective theory for the integer spin Ponzano-Regge quantum gravity model are compatible with the noncommutative bicovariant differential ...
't Hooft G +13 more
core +1 more source
Toroidal orbifolds of Z3 and Z6 symmetries of noncommutative tori
Nuclear Physics B, 2015 The Hexic transform ρ of the noncommutative 2-torus Aθ is the canonical order 6 automorphism defined by ρ(U)=V, ρ(V)=e−πiθU−1V, where U, V are the canonical unitary generators obeying the unitary Heisenberg commutation relation VU=e2πiθUV.
Sam Walters
doaj +1 more source
Twisted Poincare Symmetry and Some Implications on Noncommutative Quantum Field Theory(Symmetry, Twist and Gravity,NONCOMMUTATIVE GEOMETRY AND QUANTUM SPACETIME IN PHYSICS) [PDF]
, 2007 The concept of twisted Poincar\'e symmetry, as well as some implications, are reviewed. The spin-statistics relation and the nonlocality of NC QFT are discussed in the light of this quantum symmetry.
A. Tureanu
semanticscholar +1 more source
Noncommutative Two Dimensional BF Model
, 2005 We consider the noncommutative extension of the BF theory in two spacetime dimensions. We show that the introduction of the noncommutative parameter \theta_{\mu\nu}, already at first order in the analytical sector, induces infinitely many terms in the ...
Alberto Blasi +26 more
core +2 more sources
Astronomische Nachrichten, Volume 346, Issue 7-8, September 2025.ABSTRACT We investigate the effects of a minimal measurable length on neutron stars, within the quantum hadrodynamics (QHD‐I) model modified by the Generalized Uncertainty Principle (GUP). Working in a deformed Poisson algebra framework, we incorporate GUP effects via a time‐invariant transformation of the phase space volume, effectively reducing the ...
João Gabriel Galli Gimenez +2 more
wiley +1 more source
An Interpretation of Noncommutative Field Theory in Terms of a Quantum Shift
, 2005 Noncommutative coordinates are decomposed into a sum of geometrical ones and a universal quantum shift operator. With the help of this operator, the mapping of a commutative field theory into a noncommutative field theory (NCFT) is introduced.
A. Tureanu +12 more
core +1 more source