New alternative for the <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi mathvariant="normal">s</mi><mi mathvariant="normal">m</mi><mi mathvariant="normal">e</mi><mi mathvariant="normal">c</mi><mi mathvariant="normal">t</mi><mi mathvariant="normal">i</mi><mi mathvariant="normal">c</mi><mo>−</mo><mrow><msub><mrow><mi>A</mi></mrow><mrow><mn>1</mn></mrow></msub></mrow><mo>−</mo><mi mathvariant="normal">r</mi><mi mathvariant="normal">e</mi><mi mathvariant="normal">e</mi><mi mathvariant="normal">n</mi><mi mathvariant="normal">t</mi><mi mathvariant="normal">r</mi><mi mathvariant="normal">a</mi><mi mathvariant="normal">n</mi><mi mathvariant="normal">t</mi><mspace></mspace><mi mathvariant="normal">n</mi><mi mathvariant="normal">e</mi><mi mathvariant="normal">m</mi><mi mathvariant="normal">a</mi><mi mathvariant="normal">t</mi><mi mathvariant="normal">i</mi><mi mathvariant="normal">c</mi><mo>−</mo><mi mathvariant="normal">s</mi><mi mathvariant="normal">m</mi><mi mathvariant="normal">e</mi><mi mathvariant="normal">c</mi><mi mathvariant="normal">t</mi><mi mathvariant="normal">i</mi><mi mathvariant="normal">c</mi><mo>−</mo><mrow><msub><mrow><mi>A</mi></mrow><mrow><mi>d</mi></mrow></msub></mrow></math></span> bicritical point

V. N. Raja; R. Shashidhar; B. R. Ratna; G. Heppke; Ch. Bahr

doi:10.1103/PhysRevA.37.303

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New alternative for the $s m e c t i c - A_{1} - r e e n t r a n t n e m a t i c - s m e c t i c - A_{d}$ bicritical point

V. N. Raja, R. Shashidhar, B. R. Ratna, G. Heppke, and Ch. Bahr

Phys. Rev. A 37, 303(R) – Published 1 January 1988

Abstract

A high-resolution temperature-concentration diagram and detailed differential scanning calorimetry data near an expected $s m e c t i c - A_{1} - r e e n t r a n t n e m a t i c - s m e c t i c - A_{d}$ bicritical point in a binary liquid-crystal system are presented. These results show that the bicritical point has split into a critical end point and a tricritical point, a situation which has not been predicted by any of the theories so far.

Received 11 September 1987

DOI:https://doi.org/10.1103/PhysRevA.37.303

Authors & Affiliations

V. N. Raja, R. Shashidhar, and B. R. Ratna

Raman Research Institute, Bangalore 560 080, India

G. Heppke and Ch. Bahr

Sekr ER 11, Technical University of Berlin, Strasse des 17 Juni 135, D 1000 Berlin 12, Germany

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Vol. 37, Iss. 1 — January 1988

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