Do not feel absolutely certain of anything.
拓扑绝缘体的美在于它们的鲁棒性;它们的表面态受到对称性和拓扑的保护,使它们对某些类型的无序免疫。
Stay true to yourself and never let anyone dull your sparkle.
在量子场论中,真空并非空无一物,而是充满了虚粒子。