Time-Space Scaling near Stress-induced Quantum Critical Point

当施加单轴应力时，SrTiO3（钛酸锶）的晶体结构发生了变化。从校正原子振动的观点出发，阐明了这种变化发生的原因。另一方面，据报道，第二种声音（由“热”像“波”一样传递的现象产生）存在于这种材料中。当我们施加单轴应力时，第二个声音不允许出现的特征特征。这意味着第二个音“不”存在。这些结果可能有助于提出开发新型小型电容器的基本概念，并可能有助于减轻智能手机的重量。

SrTiO3 (Strontium titanatee) changes its crystal structure, when the uniaxial stress is applied. From the corrective atomic vibrations’ view points, we clarify the reason why this change occurs. On the other hand, it has been reported that the second-sound (produced by the phenomenon that “heat” transfers like “wave”) exists in this material. When we applied the uniaxial stress, the characteristic feature that is not allowed for the second-sound appears. This means that the second-sound does “not” exist. These results may help to present the basic concept for developing a new small capacitor, and may contribute, for example, to the weight saving of smart-phone.