Barron, Laurence

The other form of optical activity in vibrational transitions is known as Raman optical activity (ROA). Here, also, one measures an intensity difference for left compared to right circularly polarized incident radiation however, optical activity in light scattering has no direct analog in electronic spectroscopy. ROA was first measured by Laurence Barron, A. D. Buckingham, and M. P. Bogaard in 1973 (9) and several reviews of the subject have since appeared (10-14). 

Time reversal, mentioned above in connection with PT-enantiomers, is also at the heart of a distinction between time-dependent and time-independent enantiomorphism. In a series of publications,33-36 Laurence Barron has provided the basis for his argument that The only compelling reason for generalizing Kelvin s definition is to encompass absolute asymmetric synthesis and the concept of chirality in elementary particle physics by including motion-dependent chirality. 37 According to Barron33 ... 

I am much indebted to Laurence Barron, Brian Coppola, Fran ois Diederich, and Fritz Vogtle for helpful correspondence. Special thanks are due to Jaroslav Jonas for a stimulating exchange of ideas and for providing a translation of his article Chvala Chirality (In Praise of Chirality)159 prior to publication. This work was supported by the National Science Foundation. 

Laurence D. Barron, Department of Chemistry, University of Glasgow, Glasgow G12 8QQ, UK... 

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