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Department of Astrophysics, Cosmology and Fundamental Interactions

 

 

The department of Astrophysics, Cosmology and Fundamental Interactions (COSMO) is a newly-formed department in CBPF. COSMO is an active department of 9 faculty members, holding weekly seminars and journal clubs in various areas, organizing regular conferences and workshops, supervising many post­graduate students and postdoctoral researchers, attracting a dynamic flow of national and international visitors, establishing collaborations with international research groups and institutions as well as lecturing advanced post-graduate courses. The research carried out in COSMO comprises (but is not limited to) the following areas:

 

ASTROPHYSICS AND GENERAL RELATIVITY

 

Analogue Models of Gravity and Effective Geometry: non-linear electrodynamics; non-linear scalar field theories; analogue black holes.

 

Astrophysical and cosmological applications of gravitational lensing. [Martin Makler

 

Gravitational Waves: black hole inspirals in the extreme mass-ratio limit; gravitational self-force; ringdown. [Marc Casals]

 

High Energy Astrophysics: Supernova explosions, formation of neutron stars and their structure, study of phase transitions of superdense matter inside these objects, nucleosynthesis of heavy elements. [Sergio B. Duarte].

 

Neutrino physics and electroweak interactions: Interaction of atomic systems with electromagnetic radiation, mechanisms of neutrino production in astrophysical environments and in heavy ion physics. [Sergio B. Duarte]

 

Solutions of Heun Equations and their Applications: generalized spheroidal wave equation; Schrödinger equation and linear perturbations of space-times. [Bartolomeu Figueiredo]

 

Spectroscopy of Black Holes: quasinormal modes; classical stability in four and higher-dimensions; Green function. [Marc Casals]

 

COSMOLOGY
 

Astronomical Image Processing and Wide-field Surveys: object detection; modelling of the point-spread-function; galaxy structural parameters; quality assessment. [Martin Makler]

 

Dark Matter and Dark Energy: observational constraints from lensing; large-scale structure; Cosmic Microwave Background; galaxy clusters and supernovae; models and observational tests of dark matter and dark energy unification; heterogeneous cosmological models as alternatives to dark energy. [Martin Makler

 

Gravitational Lensing: simulations and inverse modelling of gravitational arcs; arc identification and characterisation; weak lensing and galaxy clusters. [Martin Makler

 

Out-of-equilibrium Relativistic Thermodynamics and Non-linear Electrodynamics: applications to cosmology; self-gravitating systems without singularity and to gravitational collapse.

 

Quantum Cosmology: bouncing models; primordial cosmology; theory of cosmological perturbations of quantum-mechanical origin and their imprints on the Cosmic Microwave Background radiation and large-scale structure. [Felipe TovarNelson Pinto-Neto]

 

Quantum Foundations: Bohm-de Broglie interpretation of quantum mechanics; applications to quantum cosmology. [Felipe TovarNelson Pinto-Neto]

  

NUCLEAR PHYSICS 

 

Collisions of heavy ions at high energies: Nucleus-nucleus collisions and particle production, multiplicities, spectrum and angular distribution. Proton-core reactions in intermediate energies aiming application to spallation reactions in nuclear waste reprocessing reactors. [Emil L. Medeiros, Sergio B. Duarte]

 

Exotic nuclei, hypernucleus, fission and fusion: Nuclear structure far from stability line, neutron-rich nuclei and proton-rich nuclei. Hypernuclei and their decays. Study of highly asymmetric fission and fusion. [Emil L. MedeirosSergio B. Duarte]

 

QUANTUM FIELD THEORY (IN FLAT OR CURVED SPACE-TIME)

 

Electroweak theory: anomalous three- and four-vertices. [José A. Helayël]  

 

Field theories that violate Lorentz and CP symmetries. [José A. Helayël

 

Gauge anomalies in quantum field theory. [Sebastião A. Dias

 

Non-Maxwellian extensions and non-linearity in Electromagnetism. [José A. Helayël]

 

Quantum Aspects of Quantum Gravity. [Antonio Accioly, José A. Helayël]

 

Quantum Black Holes: evaporation via Hawking radiation; black hole thermodynamics; information paradox; 'gauge-gravity' duality. [Marc Casals]

 

Spin and velocity dependence of potentials obtained from quantum fields. [Antonio Accioly, José A. Helayël]

 

Supersymmetry and Supergravity in various dimensions. [José A. Helayël]

 

SOCIETY APPLICATIONS

 

Medical Physics: Uses of accelerator beams for therapeutic applications in tumors. Optimization of imaging techniques for diagnosis in general radiology and mammography. [Sergio B. Duarte]

 

Physics teaching and science outreach. [José A. HelayëlSebastião A. Dias]

 

 

Departmental webpage: http://www.cbpf.br/~mcasals/index.html

 

Faculty members:

 

  1. Bartolomeu Figueiredo
  2. Emil de Lima Medeiros
  3. Felipe Tovar Falciano
  4. José Abdalla Helayël-Neto
  5. Marc Casals
  6. Martin Makler
  7. Nelson Pinto-Neto
  8. Sebastião Alves Dias
  9. Sergio Duarte

 

Head of Department: Nelson Pinto Neto
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Telephone: +55 21 2141-7381

 

Substitute Head: Sérgio José Barbosa Duarte
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Telephone: +55 21 2141-7328.

 

Contact: Elisete Martins dos Anjos Dias
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Telephone: +55 21 2141-7215.

 

Contact 2: Claudia dos Santos Vinhas
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Telephone: +55 21 2141-7291.

 
Adress: César Lattes Building - 3th and 5th floors.
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