Spatio-temporal patterns in the thermoconvection of a planar nematic layer: II. Experiments

E. Plaut; L. Pastur; R. Ribotta

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Spatio-temporal patterns in the thermoconvection of a planar nematic layer: II. Experiments

机译：平面向列层热对流的时空模式：II。实验

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We study experimentally the evolution of thermoconvection in a laterally extended planar nematic layer, at zero or weak stabilizing magnetic field. As the applied thermal gradient is increased, a cascade of symmetry breakings occurs, towards structures of increasing spatial complexity, and ultimately towards oscillating states. The patterns are characterized optically, and simple models for the distortion of the vertical (out of plane) component of the director field are proposed.

机译：我们通过实验研究了在零或弱稳定磁场下横向延伸的平面向列层中热对流的演变。随着所施加的热梯度的增加，朝着空间复杂性增加的结构，并最终朝振荡状态的方向，发生了一系列的对称破坏。对图案进行光学表征，并提出了针对指向矢场的垂直（平面外）分量失真的简单模型。

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《Zeitschrift fur Physik, B. Condensed Matter》 |1998年第2期|共15页
作者
E. Plaut; L. Pastur; R. Ribotta;
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正文语种 eng
中图分类物理学;
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47.54.+r pattern selection; pattern formation; 47.20.Bp buoyancy-driven instability; 42.70.Df surface-tension-driven instability;

机译：47.54。+ r模式选择;模式形成;47.20.Bp浮力驱动的不稳定性;42.70.Df表面张力驱动的不稳定性;

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1. Spatio-temporal patterns in the thermoconvection of a planar nematic layer: II. Experiments [J] . E. Plaut, L. Pastur, R. Ribotta Zeitschrift fur Physik, B. Condensed Matter . 1998,第2期

机译：平面向列层热对流的时空模式：II。实验
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Spatio-temporal patterns in the thermoconvection of a planar nematic layer: II. Experiments

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