Condensed Matter Theory

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Statistical physics of induced correlation in a simple market

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS 311:3-4 (2002) PII S0378-4371(02)00835-X

Authors:

D Sherrington, E Moro, JP Garrahan
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Taking N → 0 with S Matrices

Chapter in Statistical Field Theories, Springer Nature (2002) 223-237
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Using patterned substrates to promote mixing in microchannels - art. no. 031502

PHYSICAL REVIEW E 65:3 (2002) ARTN 031502

Authors:

O Kuksenok, JM Yeomans, AC Balazs
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Flexoelectric surface switching of bistable nematic devices

Physical Review Letters 87:27 I (2001) 2755051-2755054

Authors:

C Denniston, JM Yeomans

Abstract:

A new method of dynamically controlling the boundary conditions of a nematic liquid crystals was studied using surface flexoelectric effect. Switching between the states occurs when the movement of the surface directors rotates those in the bulk, which are then able to create or annihilate defects. The results showed that the driving force that causes the switching is a surface flexoelectric effect.

Probing the strong boundary shape dependence of the Casimir force.

Phys Rev Lett 87:26 (2001) 260402

Authors:

T Emig, A Hanke, R Golestanian, M Kardar

Abstract:

We study the geometry dependence of the Casimir energy for deformed metal plates by a path integral quantization of the electromagnetic field. For the first time, we give a complete analytical result for the deformation induced change in Casimir energy delta E in an experimentally testable, nontrivial geometry, consisting of a flat and a corrugated plate. Our results show an interesting crossover for delta E as a function of the ratio of the mean plate distance H, to the corrugation length lambda: For lambda<>H.
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