Zobrazeno 1 - 10
of 2 231
pro vyhledávání: '"Matteo, Maria"'
Autor:
Piredda, Matteo Maria, Asinari, Pietro
Although Lattice Boltzmann Method (LBM) is relatively straightforward, it demands a well-crafted framework to handle the complex partial differential equations involved in multiphase flow simulations. For the first time to our knowledge, this work pr
Externí odkaz:
http://arxiv.org/abs/2409.10399
Conformal back-reaction generates cosmological models where the trace anomaly reflects the breaking of Weyl invariance. Analyzing these actions yields a dynamic approach to dark energy through anomaly-induced actions (AIAs), that are variational solu
Externí odkaz:
http://arxiv.org/abs/2404.09225
We illustrate how the Conformal Ward Identities (CWI) and the gravitational chiral anomaly completely determine the structure of the $\langle TTJ_{5}\rangle$ (graviton-graviton-chiral gauge current) correlator in momentum space. This analysis extends
Externí odkaz:
http://arxiv.org/abs/2309.05374
We analyze the parity-odd correlators $\langle JJO\rangle_{odd}$, $\langle JJT\rangle_{odd}$, $\langle TTO\rangle_{odd}$ and $\langle TTT\rangle_{odd}$ in momentum space, constrained by conformal Ward identities, extending our former investigation of
Externí odkaz:
http://arxiv.org/abs/2307.03038
Autor:
Massimo Marano, Rogan Magee, Francesca Blasi, Gaia Anzini, Fioravante Capone, Riccardo Ricciuti, Matteo Maria Ottaviani, Vincenzo Di Lazzaro
Publikováno v:
Brain Stimulation, Vol 17, Iss 6, Pp 1283-1285 (2024)
Externí odkaz:
https://doaj.org/article/7c1eb9d9e11b482797965870002d7a0b
A nonlocal version of Einstein-Gauss Bonnet (EGB) gravity can be generated by a procedure that follows closely the steps of the derivation of the conformal anomaly effective action. The action is obtained using a Weyl decomposition of the metric, wit
Externí odkaz:
http://arxiv.org/abs/2305.19554
We illustrate how the Conformal Ward Identities (CWI) in momentum space for parity-odd correlators determine the structure of a chiral anomaly interaction, taking the example of the VVA (vector/vector/axial-vector) and AAA correlators in momentum spa
Externí odkaz:
http://arxiv.org/abs/2303.10710
We derive the conformal constraints satisfied by classical vertices of a (Einstein) Gauss-Bonnet theory around flat space, in general dimensions and at $d=4$ (4d EGB). In $4d$ EGB they are obtained by a singular limit of the integral of the Euler-Poi
Externí odkaz:
http://arxiv.org/abs/2302.02103
We elaborate on anomaly induced actions of the Wess-Zumino (WZ) form and their relation to the renormalized effective action, which is defined by an ordinary path integral over a conformal sector, in an external gravitational background. In anomaly-i
Externí odkaz:
http://arxiv.org/abs/2301.07460
We present an analysis of the perturbative realization of the $TTJJ$ correlator, with two stress energy tensors and two conserved currents, using free field theory realizations, integrating out conformal sectors in the quantum corrections. This allow
Externí odkaz:
http://arxiv.org/abs/2212.12779