Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session K04: Non-Equilibrium Thermodynamics: From Chemical Reaction Networks to Natural Selection I
3:00 PM–5:24 PM,
Tuesday, March 15, 2022
Room: McCormick Place W-176C
Sponsoring
Unit:
DBIO
Chair: Bill Cannon, Pacific Northwest National Lab
Abstract: K04.00003 : A robust transition to homochirality in complex chemical reaction networks
3:48 PM–4:00 PM
Presenter:
Gabin Laurent
(ESPCI Paris)
Authors:
Gabin Laurent
(ESPCI Paris)
David Lacoste
(ESPCI Paris)
Pierre Gaspard
(Universite libre de Bruxelles)
In this work, using random matrix theory, we show that large non-equilibrium reaction networks can undergo a generic and robust phase transition towards a homochiral state as a consequence of the fact that they contain a large number of chiral species. We also quantify how abundant are chiral species in the chemical universe of all possible molecules of a given length by data analysis, to determine the caracterstic molecule size beyond which this symmetry breaking could occur easily. Finally, we propose that Frank’s model should be extended to include a large number of species, in order to possess the transition towards homochirality as confirmed by numerical simulations.
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