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Research Output 1978 2019

2019
3 Downloads (Pure)

Between phase and amplitude oscillators

Clusella, P. & Politi, A., Jun 2019, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 99, 6, 15 p., 062201.

Research output: Contribution to journalArticle

Open Access
File
Synchrony
oscillators
Probability Density
Partial
formalism

Blinking chimeras in globally coupled rotators

Goldschmidt, R. J., Pikovsky, A. & Politi, A., Jul 2019, In : Chaos. 29, 7, 7 p., 071101.

Research output: Contribution to journalArticle

Open Access
File
blinking
oscillators
Ensemble
Birth-death Process
Rare Events
1 Citation (Scopus)
5 Downloads (Pure)

Dynamical Freezing of Relaxation to Equilibrium

Iubini, S., Chirondojan, L., Oppo, G-L., Politi, A. & Politi, P., 1 Mar 2019, In : Physical Review Letters. 122, 8, 6 p., 084102.

Research output: Contribution to journalArticle

Open Access
File
freezing
ingredients
nonlinear equations
free energy
temperature
1 Citation (Scopus)
5 Downloads (Pure)

Lyapunov analysis of multiscale dynamics: the slow bundle of the two-scale Lorenz 96 model

Carlu, M., Ginelli, F., Lucarini, V. & Politi, A., 7 May 2019, In : Nonlinear Processes in Geophysics. 26, 2, p. 73-89 17 p.

Research output: Contribution to journalArticle

Open Access
File
bundles
degrees of freedom
ensemble forecasting
Climate models
climate models
2 Downloads (Pure)

Permutation entropy revisited

Watt, S. J. & Politi, A., 1 Mar 2019, In : Chaos, Solitons & Fractals. 120, p. 95-99 5 p.

Research output: Contribution to journalArticle

Permutation
Entropy
Partition
Nonlinear Time Series Analysis
Time Series Analysis
2018
3 Citations (Scopus)
4 Downloads (Pure)

Collective irregular dynamics in balanced networks of leaky integrate-and-fire neurons

Politi, A., Ullner, E. & Torcini, A., Dec 2018, In : The European Physical Journal. Special Topics. 227, 10-11, p. 1185-1204 20 p.

Research output: Contribution to journalArticle

Open Access
File
neurons
Neurons
Fires
Synchronization
Thermodynamics
9 Downloads (Pure)

Origin and scaling of chaos in weakly coupled phase oscillators

Carlu, M., Ginelli, F. & Politi, A., 10 Jan 2018, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 97, 1, 012203.

Research output: Contribution to journalArticle

Open Access
File
Tangent Space
tangents
Spacing
chaos
Chaos
5 Citations (Scopus)

Ubiquity of collective irregular dynamics in balanced networks of spiking neurons

Ullner, E., Politi, A. & Torcini, A., Aug 2018, In : Chaos. 28, 8, 081106 .

Research output: Contribution to journalArticle

Open Access
File
Spiking Neurons
spiking
Heterogeneous networks
Heterogeneous Networks
Thermodynamic Limit
2017
2 Citations (Scopus)
5 Downloads (Pure)

A Chain, a Bath, a Sink and a Wall

Iubini, S., Lepri, S., Livi, R., Oppo, G-L. & Politi, A., 25 Aug 2017, In : Entropy. 19, 9, p. 1-15 15 p., 445.

Research output: Contribution to journalArticle

Open Access
File
sinks
baths
heat
temperature
death
2 Citations (Scopus)
6 Downloads (Pure)

Chaotic macroscopic phases in one-dimensional oscillators

Politi, A., Pikovsky, A. & Ullner, E., Jun 2017, In : The European Physical Journal. Special Topics. 226, 9, p. 1791-1810 20 p.

Research output: Contribution to journalArticle

Open Access
File
Chaos theory
oscillators
chaos
exponents
configurations
2 Citations (Scopus)

Collective dynamics out of thermodynamic equilibrium

Robb, G. & Politi, A., 3 Apr 2017, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 95, 4, 040201(R).

Research output: Contribution to journalArticle

Open Access
File
Thermodynamic Equilibrium
thermodynamic equilibrium
Hydrodynamic Modes
chaos
Chaos
2 Citations (Scopus)
4 Downloads (Pure)

Noise-induced stabilization of collective dynamics

Clusella, P. & Politi, A., Jun 2017, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 95, 6, p. 1-9 9 p., 062221.

Research output: Contribution to journalArticle

Open Access
File
Stabilization
stabilization
Nonlinear Fokker-Planck Equations
Synchrony
Coupled Oscillators
13 Citations (Scopus)
5 Downloads (Pure)

Quantifying the Dynamical Complexity of Chaotic Time Series

Politi, A., 7 Apr 2017, In : Physical Review Letters. 118, 4, 144101.

Research output: Contribution to journalLetter

Open Access
File
entropy
permutations
estimates
fractals
4 Citations (Scopus)
9 Downloads (Pure)

Relaxation and coarsening of weakly-interacting breathers in a simplified DNLS chain

Iubini, S., Politi, A. & Politi, P., Jul 2017, In : Journal of statistical mechanics-Theory and experiment. 2017, p. 1-21 21 p., 073201.

Research output: Contribution to journalArticle

Open Access
File
Breathers
Coarsening
Stochastic Model
configurations
conservation laws

Symmetry breaking in the discrete nonlinear Schrödinger equation due to localised breathers

Chirondojan, L. F., Politi, A. & Oppo, G. L., 2017, European Quantum Electronics Conference, EQEC 2017. OSA - The Optical Society, Vol. Part F81-EQEC 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical lattices
Biopolymers
Optical waveguides
RNA
Macromolecules
2016
14 Citations (Scopus)
8 Downloads (Pure)

A minimal model of self-consistent partial synchrony

Clusella, P., Politi, A. & Rosenblum, M., 20 Sep 2016, In : New Journal of Physics. 18, p. 1-15 15 p., 093037.

Research output: Contribution to journalArticle

Open Access
File
oscillators
cycles
4 Citations (Scopus)
8 Downloads (Pure)

Coupled transport in rotor models

Iubini, S., Lepri, S., Livi, R. & Politi, A., 3 Aug 2016, In : New Journal of Physics. 18, p. 1-11 11 p., 083023.

Research output: Contribution to journalArticle

Open Access
File
rotors
Seebeck effect
angular velocity
advection
nonlinear equations
5 Citations (Scopus)
4 Downloads (Pure)

Diverging fluctuations of the Lyapunov exponents

Pazo, D., Lopez, J. M. & Politi, A., 14 Jul 2016, In : Physical Review Letters. 117, 3, p. 1-5 5 p., 034101.

Research output: Contribution to journalArticle

Open Access
File
exponents
background noise
divergence
diffusion coefficient
breakdown
13 Citations (Scopus)

Heat transport in low dimensions: introduction and phenomenology

Lepri, S., Livi, R. & Politi, A., 7 Apr 2016, Thermal Transport in Low Dimensions: From Statistical Physics to Nanoscale Heat Transfer. Lepri, S. (ed.). Switzerland: Springer , p. 1-34 34 p. (Lecture Notes in Physics; vol. 921).

Research output: Chapter in Book/Report/Conference proceedingChapter

phenomenology
transport properties
oscillators
heat
28 Citations (Scopus)
29 Downloads (Pure)

Immunization and Targeted Destruction of Networks using Explosive Percolation

Clusella, P., Grassberger, P., Perez-Reche, F. J. & Politi, A., 8 Nov 2016, In : Physical Review Letters. 117, 20, 208301.

Research output: Contribution to journalArticle

Open Access
File
destruction
infectious diseases
13 Citations (Scopus)
20 Downloads (Pure)

Self-Sustained Irregular Activity in an Ensemble of Neural Oscillators

Ullner, E. & Politi, A., 19 Feb 2016, In : Physical Review X. 6, p. 1-13 13 p., 011015.

Research output: Contribution to journalArticle

Open Access
File
Irregular
Ensemble
oscillators
phase response
Order Parameter
2015
15 Citations (Scopus)
4 Downloads (Pure)

Equivalence of phase-oscillator and integrate-and-fire models

Politi, A. & Rosenblum, M., 2015, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 91, 11 p., 042916.

Research output: Contribution to journalArticle

Open Access
File
equivalence
Integrate
oscillators
Equivalence
phase response
2014
6 Citations (Scopus)
4 Downloads (Pure)

Boundary-induced instabilities in coupled oscillators

Iubini, S., Lepri, S., Livi, R. & Politi, A., 4 Apr 2014, In : Physical Review Letters. 112, 13, 134101.

Research output: Contribution to journalArticle

Open Access
File
oscillators
temperature profiles
temperature
kinetics
10 Citations (Scopus)

Coarsening Dynamics in a Simplified DNLS Model

Iubini, S., Politi, A. & Politi, P., Feb 2014, In : Journal of Statistical Physics. 154, 4, p. 1057-1073 17 p.

Research output: Contribution to journalArticle

Coarsening
Discrete Model
Nonlinear Model
Exponent
exponents

Stochastic Fluctuations in Deterministic Systems

Politi, A., Apr 2014, Large Deviations in Physics: The Legacy of the Law of Large Numbers. Vulpiani, A., Cecconi, F., Cencini, M., Puglisi, A. & Vergni, D. (eds.). Springer Berlin / Heidelberg, p. 243-261 19 p. (Lecture Notes in Physics; vol. 885).

Research output: Chapter in Book/Report/Conference proceedingChapter

exponents
dynamical systems
chaos
inhomogeneity
trajectories
2013
27 Citations (Scopus)

Covariant Lyapunov vectors

Ginelli, F., Chaté, H., Livi, R. & Politi, A., 28 Jun 2013, In : Journal of Physics. A, Mathematical and theoretical. 46, 25, 25 p., 254005.

Research output: Contribution to journalArticle

Lyapunov
Hamiltonians
Chaotic systems
System theory
Ergodic Theory
23 Citations (Scopus)
4 Downloads (Pure)

Discrete breathers and negative-temperature states

Iubini, S., Franzosi, R., Livi, R., Oppo, G-L. & Politi, A., 19 Feb 2013, In : New Journal of Physics. 15, 13 p., 023032.

Research output: Contribution to journalArticle

Open Access
File
22 Citations (Scopus)

Off-equilibrium Langevin dynamics of the discrete nonlinear Schrödinger chain

Iubini, S., Lepri, S., Livi, R. & Politi, A., 30 Aug 2013, In : Journal of statistical mechanics-Theory and experiment. 2013, 8, p. 1-19 19 p., P08017.

Research output: Contribution to journalArticle

Langevin Dynamics
Stationary Nonequilibrium States
Thermostat
thermostats
Nonlinear Oscillator
1 Citation (Scopus)

Onset of chaotic dynamics in neural networks

Curato, G. & Politi, A., 14 Oct 2013, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 88, 4, p. 1-7 7 p., 042908.

Research output: Contribution to journalArticle

Neural Networks (Computer)
Chaotic Dynamics
Neural Networks
Lyapunov Spectrum
Discrete-time Model

The wiper model: avalanche dynamics in an exclusion process

Politi, A. & Romano, M. C., Oct 2013, In : Journal of statistical mechanics-Theory and experiment. 2013, 18 p., 10015.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Universal scaling of Lyapunov-exponent fluctuations in space-time chaos

Pazó, D., López, J. M. & Politi, A., Jun 2013, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 87, 6, p. 1-7 7 p., 062909.

Research output: Contribution to journalArticle

Lyapunov Exponent
chaos
Chaos
Extended Systems
Space-time
2012
27 Citations (Scopus)

Collective dynamics in sparse networks

Luccioli, S., Olmi, S., Politi, A. & Torcini, A., 25 Sep 2012, In : Physical Review Letters. 109, 13, 5 p., 138103.

Research output: Contribution to journalArticle

26 Citations (Scopus)

Nonequilibrium discrete nonlinear Schrodinger equation

Iubini, S., Lepri, S. & Politi, A., 6 Jul 2012, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 86, 1, 8 p., 011108.

Research output: Contribution to journalArticle

4 Downloads (Pure)

Stability of the splay state in networks of pulse-coupled neurons

Olmi, S., Politi, A. & Torcini, A., 22 Nov 2012, In : The Journal of Mathematical Neuroscience. 2, 28 p., 12.

Research output: Contribution to journalArticle

Open Access
File
Neurons
2011
18 Citations (Scopus)

Chaos in the Hamiltonian mean-field model

Ginelli, F., Takeuchi, K. A., Chate, H., Politi, A. & Torcini, A., 28 Dec 2011, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 84, 6, 15 p., 066211.

Research output: Contribution to journalArticle

21 Citations (Scopus)

Density profiles in open superdiffusive systems

Lepri, S. & Politi, A., 31 Mar 2011, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 83, 3, 4 p., 030107.

Research output: Contribution to journalArticle

43 Citations (Scopus)

Discrete breathers in Bose-Einstein condensates

Franzosi, R., Livi, R., Oppo, G-L. & Politi, A., Dec 2011, In : Nonlinearity. 24, 12, p. R89-R122 34 p.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Extensive and subextensive chaos in globally coupled dynamical systems

Takeuchi, K. A., Chate, H., Ginelli, F., Politi, A. & Torcini, A., 13 Sep 2011, In : Physical Review Letters. 107, 12, 5 p., 124101.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Heat conduction of the hard point chain at zero pressure

Politi, A., Mar 2011, In : Journal of statistical mechanics-Theory and experiment. 2011, 12 p., P03028.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Large-Deviation Approach to Space-Time Chaos

Kuptsov, P. V. & Politi, A., 8 Sep 2011, In : Physical Review Letters. 107, 11, 5 p., 114101.

Research output: Contribution to journalArticle

2010
4 Citations (Scopus)

Characterizing the Response of Chaotic Systems

Giacomelli, G., Barland, S., Giudici, M. & Politi, A., 14 May 2010, In : Physical Review Letters. 104, 19, 4 p., 194101.

Research output: Contribution to journalArticle

synchronism
exponents
stimulation
complement
eigenvalues
68 Citations (Scopus)

Collective chaos in pulse-coupled neural networks

Olmi, S., Politi, A. & Torcini, A., Dec 2010, In : Europhysics Letters. 92, 6, 6 p., 60007.

Research output: Contribution to journalArticle

37 Citations (Scopus)

Collective oscillations in disordered neural networks

Olmi, S., Livi, R., Politi, A. & Torcini, A., Apr 2010, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 81, 4, 7 p., 046119.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Electromagnetic two-body problem: recurrent dynamics in the presence of state-dependent delay

De Luca, J., Guglielmi, N., Humphries, T. & Politi, A., 21 May 2010, In : Journal of Physics. A, Mathematical and theoretical. 43, 20, 20 p., 205103.

Research output: Contribution to journalArticle

53 Citations (Scopus)

Irregular collective behavior of heterogeneous neural networks

Luccioli, S. & Politi, A., 8 Oct 2010, In : Physical Review Letters. 105, 15, 4 p., 158104.

Research output: Contribution to journalArticle

neurons
spiking
guy wires
simulation
15 Citations (Scopus)

Nonequilibrium dynamics of a stochastic model of anomalous heat transport: numerical analysis

Delfini, L., Lepri, S., Livi, R., Mejia-Monasterio, C. & Politi, A., 9 Apr 2010, In : Journal of Physics. A, Mathematical and theoretical. 43, 14, 16 p., 145001.

Research output: Contribution to journalArticle

Nonequilibrium Dynamics
Heat Transport
Stochastic models
Anomalous
numerical analysis
18 Citations (Scopus)

Nonequilibrium dynamics of a stochastic model of anomalous heat transport

Lepri, S., Mejia-Monasterio, C. & Politi, A., 12 Feb 2010, In : Journal of Physics. A, Mathematical and theoretical. 43, 6, 22 p., 065002.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Rate maintenance and resonance in the entorhinal cortex

Haas, J. S., Kreuz, T., Torcini, A., Politi, A. & Abarbanel, H. D. I., Dec 2010, In : European Journal of Neuroscience. 32, 11, p. 1930-1939 10 p.

Research output: Contribution to journalArticle

2009
38 Citations (Scopus)

A stochastic model of anomalous heat transport: analytical solution of the steady state

Lepri, S., Mejia-Monasterio, C. & Politi, A., 16 Jan 2009, In : Journal of Physics. A, Mathematical and theoretical. 42, 2, 15 p., 025001.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Stability of splay states in globally coupled rotators

Calamai, M., Politi, A. & Torcini, A., Sep 2009, In : Physical Review. E, Statistical, Nonlinear and Soft Matter Physics. 80, 3, 9 p., 036209.

Research output: Contribution to journalArticle