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Cosmology and Particles, June 12-14

12–14 Jun 2019
UBB Chillan
America/Santiago timezone

Markos Maniatis

Session

Friday morn.

14 Jun 2019, 09:00
E3

E3

Presentation materials

There are no materials yet.

  1. 18. TBA
    Filipe Canales (PUC)
    14/06/2019, 09:00
  2. 27. Extending the momentum space topology from fermions to bosons
    Dr Igor Justo (UACh)
    14/06/2019, 09:25

    Momentum space topology (MST) has been used since a long time in the study of condensed matter physics and nowadays it has become the main theoretical tool for the description and classification of topological insulators. This is because within MST it is possible to construct a topological invariant quantity in terms of two-point Greens function,...

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  3. 20. Thermo-magnetic Corrections to π-π Scattering Lengths in the frame of the Linear Sigma Model
    Marcelo Loewe (PUC)
    14/06/2019, 10:05

    We discuss how magnetic fields and temperature affect the behavior of π-π scattering lengths in the linear sigma model. These are interesting parameters in the context of the physics of relativistic heavy ion collisions. We extend previous results were only magnetic effects were taking into account. Although the effects are comparatively small, it is interesting to remark that magnetic field...

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  4. 9. Five-loop massive tadpoles
    York Schröder (UBB Chillán)
    14/06/2019, 10:30

    Feynman integrals (FIs) play a central role in quantum field theory (QFT). They comprise the coefficients of weak-coupling expansions within theoretical particle physics, allowing for high-precision comparisons of theory with collider experiments with the ultimate goal of discovering new elementary particles.

    Given this strong phenomenological motivation, FIs form interesting objects to...

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  5. 16. Quantization of Higher Derivative Maxwell Chern Simons Theory
    Ricardo Avila (USACH)
    14/06/2019, 11:10
  6. 17. Electromagnetic fields induced by an electric charge near a Weyl semimetal
    Mauro Cambiaso (Andres Bello)
    14/06/2019, 11:35

    Weyl semimetals (WSMs) are a new class of topological materials that exhibit a bulk Hall effect and a chiral magnetic effect. The topological contribution of these unusual electromagnetic responses can be characterized
    by an axion term $\theta \mathbf{E} \cdot \mathbf{B}$ with space and time dependent axion angle $\theta(r,t)$. In this presentation I will show the electromagnetic fields...

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