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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Spontaneous Chiral Symmetry Breaking for Finite Systems

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Author(s):
Boscheto, Emerson [1] ; Lopez-Castillo, Alejandro [1]
Total Authors: 2
Affiliation:
[1] Univ Fed Sao Carlos UFSCar, Dept Quim, Sao Carlos, SP - Brazil
Total Affiliations: 1
Document type: Journal article
Source: ChemPhysChem; v. 16, n. 17, p. 3728-3735, DEC 1 2015.
Web of Science Citations: 1
Abstract

Theoretical clues are desirable to help uncover the origin of bio-homochirality in life, as well as the mechanisms for the asymmetric production of functional chiral substances. Here, an open-to-matter reaction network based on a model proposed by Plasson et al. is studied. In the extended model, the statistical fluctuations lead the system to break chiral symmetry autonomously, that is, without any initial enantiomeric excess or external influence. In the stability diagrams, we observe regions of parameter space that correspond to racemic, homochiral, chiral oscillatory, and, to our knowledge, for the first time in a chiral model, chaotic regimes. The dependencies of the final concentrations of chiral substances on the parameters are determined analytically and discussed for both the racemic and homochiral regimes. (AU)

FAPESP's process: 13/25210-8 - Theoretical Study of the Asymmetric Production of Enantiomers
Grantee:Emerson Paulinho Boscheto
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 10/11385-2 - Theoretical study of chemical systems
Grantee:Alejandro López Castillo
Support Opportunities: Regular Research Grants