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Juan F. Marín

Physicist

Departamento de Física - Universidad Tecnológica Metropolitana.

Santiago, Chile.

j.marinm@utem.cl

I'm a physicist, deeply passionate about the nonlinearity of nature.

My research interests are broad, from Josephson junctions, polymer chains, infectious diseases, and fluid mechanics to the cosmos. Currently, I am applying the theory of nonlinear physics to studying fluids, turbulence, and hydrodynamic instabilities.

Areas of interest

Nonlinear models of turbulence.
Applications of nonlinear dynamical systems to the modelling of infectious diseases.
Faraday instabilities and pattern formation in hydrodynamical, optical and granular systems.
Gravity waves and Rogue Waves in hydrodynamics.
Dynamics of solitons in Josephson junctions and DNA chains.
Nonlinear wave propagation in random media

See my research page for more details.

Past students

Jeremy Riffo Figueroa, Physics Engineer (Undergrad).
Now PhD student, Universidad de Chile.
Thesis: "Tsunami generation by programmed bottom motion in a historical scenario at laboratory scale",
Universidad de Santiago de Chile, 2023.

Research team

Thesis students:

Joaquín Morales, thesis student in biomathematics (Master) UTEM.
Project: "Active Brownian particles with memory"
Lucas Carreño, thesis student in mechanical engineering (undergraduate) UTEM. Project: "Autoresonance in water channels"
Felipe Solorza, thesis student in mechanical engineering (undergraduate) UTEM.
Project: "Blood flow turbulence around aortic valve implants"

Research Assistants:

Camilo Rodríguez, Graduate student in Biomathematics, UTEM.
Project: "Multi-strain SIR models with seasonality effects"
Hernán Pastenes, Chemical Engineering student, UTEM.
Project: "Nonlinear waves in polyacetylene chains"

Alicia Castro Montés, Magister in Physical Sciences (co-mentored).
Now PhD student, Universidad de Santiago de Chile.
Thesis: "Dynamics of fluxon-bubbles under spatiotemporal driving forces",
Pontificia Universidad Católica de Valparaíso, 2021.

Teaching

During the second semester of 2025, I'm teaching:
1) "Complexity and emergent computational methods" for the PhD program in Applied Informatics in Health and the Environment (DIASMA) and the Magister program in Biomathematics.
2) "Electromagnetism" for the common plan in Engineering. 2nd term 2025.
In previous terms, I've taught:
1) "Complexity and emergent computational methods" for the PhD program in Applied Informatics in Health and the Environment (DIASMA). 2nd term 2023, 2024.
2) "Linear and nonlinear Fokker-Planck equations" for the Magister program in Biomathematics. 2nd term 2024.
3) "Stochastic methods and diffusive processes" for the Magister program in Biomathematics. 1st term 2024.
4) "Computational modelling of biological systems" for the Magister program in Biomathematics. 1st term 2025.
4) "Electromagnetism" for Engineering Chemistry. 1st term 2025.
5) "Laboratory of Classical Mechanics" for Engineering Sciences. 1st term 2024.
5) "Laboratory of Optics and Waves" for Engineering Sciences: 1st term 2024 and 2nd term 2023.

See my teaching page (in Spanish) for more details.

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