Abstract
After a brief survey of the Landau theory of cholesteric blue phases (BP) several outstanding problems are presented. These include: (1) the nature of the anomalous fog phase, also known as BPIII(2) the question of “forbidden lines” in Bragg spectra and the structure of BPII, and (3) the non-cubic phases which become stable in the presence of an external field. The present status of these questions is reviewed and some directions for future work are indicated.
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Dedicated to Professor Harry Thomas on the occasion of his 60th birthday
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Hornreich, R.M., Shtrikman, S. Some open questions in cholesteric blue phases. Z. Physik B - Condensed Matter 68, 369–373 (1987). https://doi.org/10.1007/BF01304254
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DOI: https://doi.org/10.1007/BF01304254