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LIO International Conference 2025 on "New Approaches to Naturalness"

May 20 – 23, 2025
IP2I
Europe/Paris timezone

Contact: F. Nortier

Session

Fixed Point & Compositeness

May 22, 2025, 9:00 AM
Dirac/RdC-Amphithéâtre (IP2I)

Dirac/RdC-Amphithéâtre

IP2I

4 rue Fermi, 69622 Villeurbanne
160

Conveners

Fixed Point & Compositeness

  • Enrico Maria Sessolo (National Centre for Nuclear Research, Warsaw)

Fixed Point & Compositeness

  • Enrico Maria Sessolo (National Centre for Nuclear Research, Warsaw)

Fixed Point & Compositeness

  • James Wells (University of Michigan)

Presentation materials

There are no materials yet.

  1. 49. Phase of Chiral Gauge Theories
    Shahram Vatani (CP3 UCLouvain)
    5/22/25, 9:00 AM
    Fixed Point & Compositeness

    We study the IR fate of Chiral Gauge Theories through functional methods and the Effective Average Action. Our results show a rich structure, from the existence of IR conformality to new patterns of Chiral Symmetry Breaking.

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  2. 48. Revisiting Quantum Criticality and Naturalness with the Standard Model
    Juan Pablo Garcés Varas
    5/22/25, 9:30 AM
    Fixed Point & Compositeness
  3. 51. Holographic analysis of near-conformal dynamics and light dilaton
    Deog Ki Hong
    5/22/25, 10:30 AM
    Fixed Point & Compositeness

    We carry out a detailed analysis of the region slightly outside the conformal window of a non-trivial infrared fixed point in a generic bottom-up holographic setup. We focus on models, which study the dynamics of a scalar field, dual to quark degrees of freedom, in a (nearly) AdS geometry. Such models realize the picture expected for vector-like near-conformal theories from Dyson-Schwinger...

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  4. 50. Conjugate Fermions - Restoring Naturalness to Composite Higgs Models
    Maya Hager
    5/22/25, 11:25 AM
    Fixed Point & Compositeness
  5. 52. Composite Hybrid Inflation
    Wanda Isnard (IP2I Lyon)
    5/22/25, 11:55 AM
    Fixed Point & Compositeness

    I will describe a model of hybrid inflation coming from a general composite theory. Starting from an effective chiral Lagrangian with a dilaton and pions, we identify inflation occurring during the walking dynamics of the theory. A Z2 symmetry-breaking term in the pion sector induces a shift in the inflaton’s trajectory, which leads to a tachyonic instability phase. Curvature perturbations...

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  6. 46. Naturally small couplings from RG fixed points
    Kamila Kowalska
    5/22/25, 2:15 PM
    Fixed Point & Compositeness
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