Publication
Physical Review Letters
Paper

Smectics A and C are always glasses

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Abstract

Smectics A and C, tilted discotics, and the smectic-C phase are shown to have finite shear moduli for shears applied in directions which have no translational order (liquid directions): This is the signature of a glass. This modulus is generated purely by dynamical fluctuation effects. It leads in smectics A and C to a violation of the basic rule of conventional hydrodynamics which asserts the equality of the numbers of hydrodynamic modes and fields. © 1984 The American Physical Society.

Date

30 Jul 1984

Publication

Physical Review Letters

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