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11 papers · 2 filters
Inequivalence of QFT's on Noncommutative Spacetimes: Moyal versus Wick-Voros
A. P. Balachandran, A. Ibort, G. Marmo +1
In this paper, we further develop the analysis started in an earlier paper on the inequivalence of certain quantum field theories on noncommutative spacetimes constructed using twi…
Extracting black hole physics from the lattice
Simon Catterall, Toby Wiseman
We perform lattice simulations of N D0-branes at finite temperature in the decoupling limit, namely 16 supercharge SU(N) Yang-Mills quantum mechanics in the 't Hooft limit. At low…
Spin Dirac Operators on the Fuzzy 2-Sphere
A. P. Balachandran, Pramod Padmanabhan
The spin 1/2 Dirac operator and its chirality operator on the fuzzy 2-sphere can be constructed using the Ginsparg-Wilson(GW) algebra [arxiv:hep-th/0511114]. This construct…
Finite Temperature Field Theory on the Moyal Plane
E. Akofor, A. P. Balachandran
In this paper, we initiate the study of finite temperature quantum field theories (QFT's) on the Moyal plane. Such theories violate causality which influences the properties of the…
Beyond fuzzy spheres
T. R. Govindarajan, Pramod Padmanabhan, T. Shreecharan
We study polynomial deformations of the fuzzy sphere, specifically given by the cubic or the Higgs algebra. We derive the Higgs algebra by quantizing the Poisson structure on a sur…
Causality and statistics on the Groenewold-Moyal plane
A. P. Balachandran, Anosh Joseph, Pramod Padmanabhan
Quantum theories constructed on the noncommutative spacetime called the Groenewold-Moyal plane exhibit many interesting properties such as Lorentz and CPT noninvariance, causality…