Javier Subils

My research is devoted to understanding the principles that govern gravity at its fundamental level and the dynamics of quantum field theories in regimes where usual methods fail. These two areas meet naturally within the framework of holography. Since many of the questions I am interested in lie beyond analytic control, I often rely on numerical methods to tackle them.

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Research Interests

My current primary interests are divided in two broad topics:

  • Holography applied to cosmological phase transitions and neutron stars. By constructing inhomogeneous holographic solutions I plan to investigate phase transitions in the early Universe and neutron stars.
  • Cosmic censorship, singularities, and black hole evaporation. I am interested in the breakdown of general relativity in holographic setups, with possible identification of quantum effects in the boundary theory.

In addition, I plan to pursue further research on topics I have previously worked on, such as the holographic approach to confinement and insights into quantum information from AdS/CFT.

Biographical Information

2023 – present Postdoctoral Researcher at Utrecht University (Utrecht, Netherlands).

2021 – 2023 Nordita Fellow (Stockholm, Sweden).

2016 – 2021 PhD, cum laude, Universitat de Barcelona (Barcelona, Spain).
Non-perturbative Aspects of Quantum Field Theories from Holography” [2107.01954].

2015 – 2016 Master’s degree in Astrophysics, Particle Physics and Cosmology, Universitat de Barcelona (Barcelona, Spain).
Final project: Holography, walking and confinement in (2+1) dimensions.

2016 – 2017 Master’s Degree in Teaching in Secondary Schools, Vocational Training and Language Centres, Universidad Internacional de Valencia (Valencia, Spain).
Final project: Design of Physics Lab sessions for last year high school students.

2010 – 2015 Bachelor’s degree in Mathematics and Bachelor’s degree in Physics, Universitat de Barcelona (Barcelona, Spain).