
Juan Alejandro Valdivia Hepp
Full Professor
DEPARTAMENTO DE FISICA, FACULTAD DE CIENCIAS, UNIVERSIDAD DE CHILE
Santiago, Chile
Complex systems; Space and Astrophysical plasmas, Space Weather, Nanophysics,
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Physics, UNIVERSITY OF MARYLAND. Estados Unidos, 1997
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Physics, UNIVERSITY OF MARYLAND. Chile, 1996
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Physics, UNIVERSITY OF MARYLAND. Estados Unidos, 1991
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Mathematicas, UNIVERSITY OF MARYLAND. Chile, 1991
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Astronomy, UNIVERSITY OF MARYLAND. Estados Unidos, 1991
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Full Professor Full Time
UNIVERSIDAD DE CHILE
Facultad de Ciencias
Santiago, Chile
2006 - A la fecha
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Associate Professor Full Time
UNIVERSIDAD DE CHILE
Ciencias
santiago, Chile
2004 - 2006
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National Research Council Postdoctoral Fellowship Full Time
NASA Goddard Space Flight Center
Greenbelt, MD, Estados Unidos
1997 - 1999
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Assitant Professor Full Time
UNIVERSIDAD DE CHILE
Ciencias
Santiago, Chile
2000 - 2005
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Principal Investigator Part Time
Centro para el desarrollo de la Nanociencia y Nanotecnología, Cedenna
Santiago, Chile
2007 - A la fecha
1. Ph.D Thesis: B. Toledo (2005), Traffic as a Complex System, Ph.D. in Physics, Universidad de Chile, Chile.
2. Ph.D Thesis: N Lammoglia (2008), Modeling and simulating inequality, Ph.D in Engineering, Universidad de los Andes, Colombia.
3. Ph.D Thesis: F. Asenjo (2010), New Fluid Formalisms for relativistic and quantum relativistic plasmas, Ph.D. in Physics, Universidad de Chile, Chile.
4. Ph.D Thesis: J. Villalobos (2010), Chaos in Transit Systems, Ph.D in Engineering, Universidad de los Andes, Colombia.
5. Ph.D Thesis: R. Bonilla (2011), Proposing a conceptual y quantitative model for the description of social systems with a Pareto behavior, Ph.D in Engineering, Universidad de los Andes, Colombia.
6. Ph.D Thesis: P. Moya (2011), Acceleration and heating of minor ions in solar wind plasma, Ph.D. in Physics, Universidad de Chile, Chile.
7. Ph.D Thesis: V. Buchelli (2013), The rich get richer dynamics of knowledge production: towards a science of science at the meso-level, Ph.D in Engineering, Universidad de los Andes, Colombia.
8. Ph.D Thesis: R. Lopez (2013), Nonlinear waves in electron positron plasmas, Ph.D. in Physics, Universidad de Chile, Chile.
9. Ph.D Thesis: F. Montes (2014), The spread of healthy behaviors in social networks through megatrends: a promising strategy for potentiating public health interventions, Ph.D in Engineering, Universidad de los Andes, Colombia.
10. Ph.D Thesis: R. Navarro (2014), Thermal Fluctuations in solar wind like plasmas, Ph.D. in Physics, Universidad de Chile, Chile.
11. Ph.D Thesis: P. Lemoine (2015), Towards understanding the relation between Transmilenio and walking for transportation, Ph.D in Engineering, Universidad de los Andes, Colombia.
12. Ph.D Thesis: J. D. Meisel (2015), The dynamic of obesity from a systemic approach, Ph.D in Engineering, Universidad de los Andes, Colombia.
13. Ph.D Thesis: F. Castillo (2017), Dynamics of magnetic fields in neutron stars, Ph.D. in Physics, Universidad de Chile, Chile.
14. Ph.D Thesis: J. Felipe Penagos (2014-Present), Métodos para mejorar el modelo de Educación superior en Colombia, Ph.D in Engineering, Universidad de los Andes, Colombia.
15. Ph.D Thesis: S. Carrasco (2016-Present), Analytical description of atomic interactions, Ph.D. in Physics, Universidad de Chile, Chile.
16. Ph.D Thesis: J. Clark (2016-Present), Dynamics and transport over complex networks, Ph.D. in Physics, Universidad de Chile, Chile.
17. Ph.D Thesis: M. Coello (2018-Present), Complexity in the solar wind – magnetosphere interaction, Ph.D. in Physics, Universidad de Chile, Chile.
18. Ph.D Thesis: E. Puebla (2018-Present), Fluctuations in electro-positron plasmas, Ph.D. in Physics, Universidad de Chile, Chile.
19. Ph.D Thesis: D. Leon (2018-Present), Characterizations of Seismic networks, Ph.D. in Physics, Universidad de Ibague, Colombia.
20. Ph.D Thesis: R. Medina (2019-Present), Electromagnetic fluctuations in Plasmas, Ph.D. in Physics, Universidad de Chile, Chile.
21. M.S. Thesis: L. Wastavino (2005), Traffic in intersections, M.S. in Physics, Universidad de Chile, Chile.
22. M.S. Thesis: J. L. Cabal (2007), Fractal risk estimation in finantial portafolios, M.S. in Engineering, Universidad de los Andes, Colombia.
23. M.S. Thesis: E. Ramos (2007), Stability and Noise on gene regulatory networks, M.S. in Physics, Universidad de los Andes, Colombia.
24. M.S. Thesis: P. Muñoz (2007), Chaos and Nonlinear Schrodinger equation in plasmas, M.S. in Physics, Universidad de Chile, Chile.
25. M.S. Thesis: A. Gomez (2008), Centrality and transport in city dynamics, M.S. in Engineering, Universidad de los Andes, Colombia.
26. M.S. Thesis: C. Farias (2010), Study about the relationship between earthquakes and volcanic eruptions in Chile, in the last 100 years, M.S. in Physics, Universidad de Chile, Chile.
27. M.S.Thesis: S. Guiller (2010), Transport in complex networks, M.S. in Physics, Universidad de Chile, Chile.
28. M.S. Thesis: V. Pinto (2011), Studies of the turbulence in the Earth's magnetosphere using data from THEMIS and SAMBA, M.S. in Physics, Universidad de Chile, Chile.
29. M.S. Thesis: P. Marchant (2012), Evolution of axially symmetric magnetic fields in neutron star crust due to the hall drift, M.S. in Physics, Pontificia Universidad Católica de Chile, Chile.
30. M.S. Thesis: C. Armaza (2014), On magnetic equilibria in barotropic stars, M.S. in Physics, Pontificia Universidad Católica de Chile, Chile.
31. M.S.Thesis: N Gallo (2017), Thermally induced magnetic fluctuations in the solar wind, M.S. in Physics, Universidad de Chile, Chile
32. M.S.Thesis: J. Figueroa (2018), Phase Transition of Quantum Light-Matter Systems, M.S. in Physics, Universidad de Chile, Chile..
Proposal reviewer for
NASA, USA
National Science Foundation, USA
Natural Environment Research Council, USA
Comisión Nacional de Investigación Científica y Tecnológica, Conicyt/Fondecyt Chile
Comisión Chilena de Energía Nuclear, Chile
Consejo Nacional de Investigaciones Científicas y Técnicas, Conicet, Argentina
Agencia Nacional de Promoción Cientifica y Tecnologica, ANPyCT, Argentina
Instituto de Geofísica, Universidad Autónoma de México
Netherlands Organisation for Scientific Research, NWO, Netherlands
Mecesup (Ministerio de Educacion, Chile)
Universidad de Santiago de Chile
Paper reviewer for
Geophysical Research Letters
Journal of Geophysical Research
Radio Science
Journal of Atmospheric and Solar-Terrestrial Physics
Geophysical Monograph
Space Science Reviews
Advances of Space Research
Journal of Physics D: Applied Physics
Nonlinear Processes in Geophysics
New Journal of Physics
Physica A
Earth, Planets and Space
International Journal of Bifurcation and Chaos
Physics of Plasmas
Space Weather
Mathematical Problems in Engineering
The Lancet
Kybernetes
Monthly Notices of the Royal Astronomical Society
Entropy
Chaos
Journal of Magnetism and Magnetic Materials
Organizing and Scientific Committees
VI Conferencia Latinoamericana de Geofísica , Tome, Chile, October 2001
The XIII Simposio Chileno de Física , Concepción, Chile, November 2002
The 2005 World Space Environment Forum , Schloss Seggau, Austria, May 2005
The Physics of Solar-wind/Magnetosphere coupling , Puerto Vallarta, Mexico, November 2006
The Nonlinear Magnetosphere, Vina del Mar,Chile, January 2009
IX Colage, Punta Leona, Costa Rica, April 2011
Nonlinear Wave and Chaos Workshop (NWCW9), La Jolla-California, USA, March 2013
The Mechanics of the Magnetosphere, Torres del Paine, Chile, 2013
III Dynamics Days South America, Viña del Mar, Chile, November, 2014
Unsolved Problems in Magnetospheric Physics Workshop, Scarborough, UK, September, 2015
Nonlinear Wave and Chaos Workshop (NWCW10), La Jolla-California, USA, 2017
The Magnetosphere: New Thinking, New Tools, New results, Puerto Varas, Chile, 2017
“Exploring Systems-Science Techniques for the Magnetosphere-Ionosphere-Thermosphere”, Los Alamos, USA, July 2018
“Solar and Stellar Magnetic Fields: Origins and Manifestations”, Copiapo, Chile, June 2019
“Simposio Avances Recientes en Física de la Materia Condensada”, Pucón, Chile, November 2019
“The Plasma Physics of the Magnetosphere”, Pollenzo (CN), Italy, June, 2019
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Postdoctoral Fellowship
National Research Council of USA
Estados Unidos, 1997
Obtained a National Research Council Postdoctoral Fellowship (1997 – 1999) at NASA's Goddard Space Flight Center in Greenbelt, USA
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F. L. Scarf Award for best Ph.D. Dissertation in Space Physics and Aeronomy
American Geophysical Union
Estados Unidos, 1998
Given the 1998 F. L. Scarf Award for best Ph.D. Dissertation in Space Physics and Aeronomy of the American Geophysical Union.
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Member of the “Space Weather Expert Group” of the United Nations Committee on the Peaceful Uses of Outer Space (COPUOS)
United Nations
Estados Unidos, 2018
Nominatedand selected to the Space Weather Expert Group” of the United Nations Committee on the Peaceful Uses of Outer Space (COPUOS)
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Member of the “Space Weather Expert Group”
United Nations
Austria, 2019
Member of the “Space Weather Expert Group” of the United Nations Committee on the Peaceful Uses of Outer Space (COPUOS)
Universality of electromagnetic fluctuations in space plasmas |
The Chilean Neuromorphic Computing Initiativ |
EQUILIBRIUM AND NON-EQUILIBRIUM PROCESSES IN SPACE PLASMAS AND THE SOLAR-WIND-MAGNETOSPHERE-IONOSPHERE INTERACTIONS |
Fundamental processes in space plasma physics, combining instrumentation, observations, theory, and simulations. |
Neuromorphic Inspired Science, Surveillance, and Reconnaissance Operations |
CITY TRAFFIC DYNAMICS |
Using the American-Chilean SAMBA magnetometer network for the study of ionospheric electrodynamics and potential impact on scintillation and radiation belt fluxes |
Observation and Modeling of Complex fluxes=> Ocean, Ionosphere and Astrophysical plasmas. |
COMPLEX DYNAMICS IN CITY TRAFFIC |
Magnetic field of massive stars and their compact remnants |
Turbulence in Space Plasmas and its impact on the Magnetospheric Dynamics and Space Weather |
Centro para el desarrollo de la Nanociencia y Nanotecnología |
Simulación y análisis de turbulencia en plasmas en la conexión Sol-Tierra |
Centro de Estudios Interdisciplinarios Básicos y Aplicados en Complejidad, CEIBA |
SELF-ORGANIZATION PROCESSES IN PLASMAS, AND ITS RELEVANCE TO THE EARTHS MAGNETOSPHERIC DYNAMICS |
THE RELEVANCE OF TURBULENCE IN THE MAGNETOSPHERE OF THE EARTH AND ITS RELATIONSHIP WITH GEOMAGNETIC STORMS AND SUBSTORMS |
Effect of finite amplitude waves on linear waves. Ion cyclotron waves in drifting multi-ion species plasmas. Stability of a magnetoplasma with cross field currents. |
The relevance of global self-organization processes in plasmas and the relationship with the dynamics of the magnetotail. |
Modeling self-organized criticality in the turbulent plasma sheet=> its relation to the coherence and repeatability of the substorm phenomena. |
Nonlinear modeling of high-latitude electrodynamics and midlatitude currents, and prediction from real-time solar wind data. |
The role of self-Organized Criticality in the Substorm Phenomena and its relation to Localized reconnection in the Magnetospheric Plasma Sheet. |
The Earths Magnetosphere: A Systems Science Overview and Assessment |

Juan Valdivia
Full Professor
Fisica
DEPARTAMENTO DE FISICA, FACULTAD DE CIENCIAS, UNIVERSIDAD DE CHILE
Santiago, Chile

Benjamín Toledo
Profesor Asistente
Física
UNIVERSIDAD DE CHILE, FACULTAD DE CIENCIAS
Santiago, Chile

Tassilo Reisenegger
Profesor Titular
Physics
Universidad Metropolitana de Ciencias de la Educación
Santiago, Chile

Rodrigo López
Postdoctoral Associate
Institute for Physical Science and Technology
University of Maryland
College Park, Estados Unidos

Marina Stepanova
Full Professor, Permanent staff
Physics
Universidad de Santiago de Chile
Santiago, Chile

Francisco Muñoz
Assistant Professor
Physics
UNIVERSIDAD DE CHILE, FAC. CIENCIAS, DEPTO FISICA
Santiago, Chile

Griselda Garcia
Profesor asociado
Física
PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE - FACULTAD DE FÍSICA
Santiago, Chile

Adolfo Figueroa
Senior Research Scientist
Heliophysics Science Division
NASA Goddard Space Flight Center
Greenbelt, Estados Unidos

Roberto Navarro
Profesor Asistente
Departamento de Física
Universidad de Concepcion
Concepción, Chile

Denisse Pasten
Profesora Asistente
Departamento de Física
UNIVERSIDAD DE CHILE. FACULTAD DE CIENCIAS.
Santiago, Chile

Sebastián Carrasco
Candidato de Doctor en Física
Departamento de Física (Ciencias)
Universidad de Chile
Ñuñoa, Chile

Victor Pinto
Postdoctoral Research Associate
Institute for the Study of Earth, Ocean and Space
University of New Hampshire
Durham, Estados Unidos

Francisco Castillo
Instructor adjunto
Facultad de Física
Pontificia Universidad Católica de Chile
Santiago, Chile

Elizavieta Antonova
Head of laboratory
Skobeltsyn Institute of Nuclear Physics
Lomonosov Moscow State University
Moscow, Rusia

patricio fuentealba
Profesor Titular
Física
U. DE CHILE, FAC. CIENCIAS, DPTO. FISICA
Santiago, Chile

Jorge Silva
Assistant Professor
Departamento de Ingeniería Eléctrica
Universidad de Chile
Santiago, Chile

MARIA PAULINA CORREA
ASSOCIATE PROFESSOR
INSTITUTE OF NUTRITION & FOOD TECHNOLOGY
Universidad de Chile
SANTIAGO DE CHILE, Chile