Discussion on clusters, phasons and quasicrystal stabilisation

Abstract

This paper summarises a two-hour discussion at the Ninth International Conference on Quasicrystals, including nearly 20 written comments sent afterwards, concerning (i) the meaning [if any] of clusters in quasicrystals; (ii) phason elasticity, and (iii) thermodynamic stabilisation of quasicrystals.

Acknowledgements

We thank the organizing committee for arranging this session, and all the participants who made it lively. We gratefully acknowledge financial support under US DOE grant DE-FG02-89ER-45405 (to CLH) and SNF 200020-105158 (to WS).