Professor Antonio Politi

Professor Antonio Politi

Chair in Physics of Life Sciences

Overview
Professor Antonio Politi
Professor Antonio Politi

Contact Details

Telephone
work +44 (0)1224 272301
Email
Address
The University of Aberdeen Meston Building, office 332

Biography

Professor Antonio Politi earned the Laurea in Physics at the University of Florence in 1978 with a Thesis  on Two-photon optical bistability. Three years later in 1981, he became Researcher (equivalent to Assistant Professor) at the Istituto Nazionale di Ottica (INO) in Florence and he kept that position until 1992, when he was appointed Chief Researcher (equivalent to Associate Professor). Meanwhile, he was visiting scientist at IBM Ruschlikon (1986), and at Drexel University (Philadelphia, 1988). From 1994 to 2005, he managed the Quantum Optics section of INO. In 2001 he was appointed Director of Research (equivalent to Full Professor) at INO, and he kept the position until 2005, when he moved to found the Florence section of the newly established CNR Institute for Complex Systems (ISC). Meanwhile, he was visiting professor at the University of Marseille, Nice and at the Ecole Normale Superieure in Lyon. Since 2007, he is visiting professor at the University of Strathclyde. In 2010 he has co-founded the  joint Israeli-Italian Laboratory for Neuroscience (an initiative between ISC and the Tel Aviv University). In 2011, he was invited to joint the University of Aberdeen as the 6th Century Chair in the Physics of Life Science.

Since 1998, he is associate editor of the Chaos and Nonlinear Dynamics section of Physical Review E. From 2006 to 2011, he was Editor of the Chaos and Complex-Systems section of the Journal of Physics A. Prof. Antonio Politi has co-authored with R. Badii a book on Complexity: hierarchical structures and scaling in physics (published by CUP in 1998). He has written a chapter devoted to Complex Systems of the book The New Physics for the 21st century, edited by Gordon Fraser (CUP, 2006). He has co-authored with A. Pikovsky a book on Lyapunov exponents (published by CUP in 2016).

Antonio Politi has been elected Fellow of the Institute of Physics and of the American Physical Society. In 2004 he was awarded the Gutzwiller Fellowship from the Max-Planck Institute for Complex System in Dresden; in 2011 he was awarded the Senior Humboldt Prize. He has published about 200 papers, receiving more than 10000 citations and an H-index 49 (Google-scholar).


Internal Memberships and Affiliations

Director of the Institute of Pure and Applied Mathematics (IPAM) in Aberdeen.

Research

Research Overview

Nonlinear dynamics and non-equilibrium statistical mechanics. More precisely: (i) characterization of low- and high-dimensional chaos (fractal structure, instabilities); (ii) transport phenomena in chains of nonlinear oscillators; (iii) collective dynamics in ensemble of (neural) oscillators.

Current Research

Coupled transport phenomena (i.e., when two or more currents are simultaneously active - e.g. heat and mass).

Covariant Lyapunov vectors to characterize a collective dynamics.

Onset of non-trivial collective behaviour in networks of neural oscillators.

Collaborations

The main ongoing collaborations with: Prof. A. Pikovsky (Potsdam University, Germany) on Lyapunov exponents; Dr. H. Chate (CEA, Saclay) on covariant vectors; Prof. R. Livi (University of Florence) and Dr. S. Lepri (CNR-ISC, Florence) on heat transport; Dr. A. Torcini (CNR-ISC) on neural dynamics.

 

Publications

Publications 

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  • STOCHASTIC TIME APPROACH TO THE DECAY OF UNSTABLE STATES - FAILURE OF THE ASYMPTOTIC APPROXIMATION

    ARECCHI, F. T., POLITI, A., ULIVI, L.

    Physics Letters A, vol. 87, no. 7, pp. 333-335

    Contributions to Journals: Articles

  • STOCHASTIC-TIME DESCRIPTION OF TRANSITIONS IN UNSTABLE AND MULTISTABLE SYSTEMS

    ARECCHI, F. T., POLITI, A., ULIVI, L.

    Nuovo Cimento della Società Italiana di Fisica. B, vol. 71, no. 1, pp. 119-154

    Contributions to Journals: Articles

  • Transient Fluctuations in the Decay of an Unstable State

    Arecchi, F. T., Politi, A.

    Physical Review Letters, vol. 45, no. 15, pp. 1219-1222

    Contributions to Journals: Articles

  • A NEW DESCRIPTION OF THE DECAY OF AN UNSTABLE STATE

    ARECCHI, F. T., POLITI, A.

    Physics Letters A, vol. 77, no. 5, pp. 312-314

    Contributions to Journals: Articles

  • DIFFUSION IN BISTABLE POTENTIALS

    POLITI, A.

    Lettere al nuovo cimento, vol. 27, no. 16, pp. 535-537

    Contributions to Journals: Articles

  • SYMMETRY-BREAKING IN THE DECAY OF UNSTABLE STATES

    ARECCHI, F. T., POLITI, A.

    Lettere al nuovo cimento, vol. 27, no. 15, pp. 486-490

    Contributions to Journals: Articles

  • GENERALIZED FOKKER-PLANCK EQUATION FOR A NON-LINEAR BROWNIAN-MOTION WITH FLUCTUATIONS IN THE CONTROL PARAMETER

    ARECCHI, F. T., POLITI, A.

    Optics Communications, vol. 29, no. 3, pp. 361-363

    Contributions to Journals: Articles

  • OPTICAL BISTABILITY IN A RESONANT 2-PHOTON ABSORBER

    ARECCHI, F. T., POLITI, A.

    Lettere al nuovo cimento, vol. 23, no. 2, pp. 65-69

    Contributions to Journals: Articles

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