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Ұ ҽ intorduction news notic history

, ũ ȭ 2018-11-27


бп/ȭа ̿ ũ ũ , ̸ ̿ ũ ȭ(kaleidoscope) ϴ ߴ.

 

̹ ڿ迡 ϴ پ ݺ ũ ظ ִ ʿ ȴ. ̸ Ȱ ÷, ȭ پϰ ȴ.

 

ڻ簡 1ڷ ϰ κϾ (University of Ljubljana) ν ƮĮ(Uros Tkalec) ̹ м ̾ ڸ ̾ ý(Science Advances) 11 23 ¶ǿ ƴ. (: ()Mosaics of topological defects in micropatterned liquid crystal textures, ()ũ ũ ʹ) ս , ӵ, ̹(anisotropic) Ư ǥġ(LCD), ȰǴ ǥ ̴. ̶ ּȭϴ ˷ Ư Ұϰ ߻Ѵ. ׷ ֱ , ź ָ鼭 ̻ LCD ƴ о߸ پ о߿ ɼ ſ ū 򰡹ް ִ. Ǯó Ư ġ ̳ó κ ϴ Ģ(long range order) ź Ģ, ϰ ְ ʹ ϴ ſ ƴ.

 

ذ Ѵٴ ǿ ָߴ. ̸ ȿ ̿ϱ ũ ũ ǰ ̿ ָӴϸ ڹ ν ũ ڵ ִ(anchoring) ý ߴ. ̸ ȿ ũ ʹ׿ ߴ. ̹ ٽɱ µ ϴ (phase transition) ӵ ִ. ӵ ޼ ϸ Ѵ. ݸ ӵ ź (anchoring anergy) Ī Ǹ ұ .

 

̷ ӵ Ī 񰡿 پ ڿ󿡼 ȴٴ Ұ ڿ 𵨷 ̹ ִٰ . ݵü Ǵ , Ȧ Ư(singularity) ϴ ߷ , (condensed matter) ڵ ȣۿ ڿ ǥ ִ ȴ. (topological defect) е ϰ پ 2 ũ ϴ . ġ ó (topological charge) ִ. ̶ ׻ ¦ ̷ ߸ Ģ ´.

 

̷ ȭó Ģ ϴ ÿ е ϼߴ. ̷ (tiling) ũ پ ǿ ο ִ ġ ƴ϶ ߱, źȭ÷ پ Ȱ δ ÷ ʿ ؿ ʴ ̹ ʿ ɵ DZ ٶ ߴ. ̹ ̷âкο Ҿ ѱ ϴ ̷ձ̿Ͼ ȯ ƴ.

 

׸

׸1. ̾Ƹ Ͽ ׸ƽ ̰

 

 

׸2. Ǵ ̰ ̹