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Far from Equilibrium Percolation, Stochastic and Shape Resonances in the Physics of Life

Author(s): Nicola Poccia | Alessio Ansuini | Antonio Bianconi

Journal: International Journal of Molecular Sciences
ISSN 1422-0067

Volume: 12;
Issue: 10;
Start page: 6810;
Date: 2011;
Original page

Keywords: emergence of life | percolation | complexity | non-equilibrium thermodynamics | criticality | shape resonance | Fano resonance | Feshbach resonance | stochastic resonance | quantum entanglement

Key physical concepts, relevant for the cross-fertilization between condensed matter physics and the physics of life seen as a collective phenomenon in a system out-of-equilibrium, are discussed. The onset of life can be driven by: (a) the critical fluctuations at the protonic percolation threshold in membrane transport; (b) the stochastic resonance in biological systems, a mechanism that can exploit external and self-generated noise in order to gain efficiency in signal processing; and (c) the shape resonance (or Fano resonance or Feshbach resonance) in the association and dissociation processes of bio-molecules (a quantum mechanism that could play a key role to establish a macroscopic quantum coherence in the cell).
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