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Posts

Future Blog Post

less than 1 minute read

Published: January 01, 2199

This post will show up by default. To disable scheduling of future posts, edit config.yml and set future: false.

Blog Post number 4

less than 1 minute read

Published: August 14, 2015

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 3

less than 1 minute read

Published: August 14, 2014

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 2

less than 1 minute read

Published: August 14, 2013

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

Blog Post number 1

less than 1 minute read

Published: August 14, 2012

This is a sample blog post. Lorem ipsum I can’t remember the rest of lorem ipsum and don’t have an internet connection right now. Testing testing testing this blog post. Blog posts are cool.

portfolio

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publications

1. Affine quantization of the Brans-Dicke theory: Smooth bouncing and the equivalence between the Einstein and Jordan frames

Published in Physical Review D, 2018

First integral affine quantisation of a modified gravity theory.

Recommended citation: E. Frion and C.R. Almeida. "Affine quantization of the Brans-Dicke theory: Smooth bouncing and the equivalence between the Einstein and Jordan frames." Phys. Rev. D 99 (2019) 2, 023524. https://doi.org/10.1103/PhysRevD.99.023524

2. Stochastic collapse

Published in Journal of Cosmology and Astroparticle Physics, 2019

Implementation of stochastic noise in a contracting universe.

Recommended citation: T. Miranda, E. Frion and D. Wands. "Stochastic collapse." JCAP 01 (2020) 026 https://doi.org/10.1088/1475-7516/2020/01/026

3. Primordial Magnetogenesis in a Bouncing Universe

Published in Physical Review D, 2020

Generation of magnetic fields consistent with observations in a quantum bouncing model with dust.

Recommended citation: E. Frion, N. Pinto-Neto, S.D.P. Vitenti and S.E. Perez-Bergliaffa. "Primordial Magnetogenesis in a Bouncing Universe." Phys.Rev.D 101 (2020) 10, 103503 https://doi.org/10.1103/PhysRevD.101.103503

4. Testing the Equivalence Principle with strong lensing time delay variations

Published in Journal of Cosmology and Astroparticle Physics, 2020

Using redshift drifts effects to develop a probe of the gravitational coupling.

Recommended citation: L.Giani and E. Frion. "Testing the Equivalence Principle with strong lensing time delay variations." JCAP 09 (2020) 008 https://doi.org/10.1088/1475-7516/2020/09/008

5. Impact of inhomogeneities on slowly rolling quintessence: implications for the local variations of the fine-structure constant

Published in Classical and Quantum Gravity, 2021

Impact of spatial variation of the fine-structure constant and probe of Quintessence dark energy.

Recommended citation: L. Giani, E. Frion and O. Piattella. "Impact of inhomogeneities on slowly rolling quintessence: implications for the local variations of the fine-structure constant." Class.Quant.Grav. 38 (2021) 17, 175010 https://doi.org/10.1103/PhysRevD.99.023524

6. Black hole shadow drift and photon ring frequency drift

Published in Open Journal of Astrophysics, 2021

Impact of redshift drift on black hole shadow and photon rings. New probe of the gravitational coupling.

Recommended citation: E. Frion, L. Giani and T. Miranda. "Black hole shadow drift and photon ring frequency drift." Open J.Astrophys. 4 (2021) 1 https://astro.theoj.org/article/28209-black-hole-shadow-drift-and-photon-ring-frequency-drift

7. Quantum formalism on the plane: POVM-Toeplitz quantization, Naimark theorem and linear polarization of the light

Published in Annals of Physics, 2021

Application of integral quantisation to the plane.

Recommended citation: R. Beneduci, E. Frion, J.-P. Gazeau and A. Perri. "Quantum formalism on the plane: POVM-Toeplitz quantization, Naimark theorem and linear polarization of the light." Annals Phys. 447 (2022) 169134 https://doi.org/10.1103/PhysRevD.99.023524

8. Quantum description of angles in the plane

Published in Acta Polytechnica, 2021

Quantum entanglement and spin one-half coherent states in integral quantisation.

Recommended citation: R. Beneduci, E. Frion and J.-P. Gazeau. "Quantum description of angles in the plane." Acta Polytech. 62 (2022) 1, 8-15 https://doi.org/10.14311/AP.2022.62.0008

9. Bayesian analysis of a Unified Dark Matter model with transition: can it alleviate the $H_0$ tension?

Published in Open Journal of Astrophysics, 2023

CMB and SN data prefer UDM models with slow transition. Mildly alleviates the Hubble tension.

Recommended citation: Emmanuel Frion, David Camarena, Leonardo Giani, Tays Miranda, Daniele Bertacca, Valerio Marra, Oliver F. Piattella. "Bayesian analysis of a Unified Dark Matter model with transition: can it alleviate the $H_0$ tension?" https://doi.org/10.21105/astro.2307.06320

10. Primordial magnetogenesis in a bouncing model with dark energy

Published in , 2024

Quantum bouncing model with scalar field and exponential potential can explain large-scale magnetic fields.

Recommended citation: M.V. Bomfim, E. Frion, N. Pinto-Neto, S.D.P. Vitenti. "Primordial magnetogenesis in a bouncing model with dark energy"

Emmanuel Frion

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