| 1. | Electric permittivity in gas atoms by the theory of quantum optics
从量子光学理论探讨气体原子的电极化率 |
| 2. | The increase of the thickness of the non - polarization slab will decrease the average polarization and the susceptibility of the multilayer
杂质层的增厚会导致多层膜的极化和介电极化率的降低。 |
| 3. | For the first time , we investigate the effects of the non - polarization layer on the polarization and the dielectric susceptibility of a ferroelectric multilayer
我们首次研究了无极化杂质层对铁电多层膜极化和介电极化率的作用。 |
| 4. | It is found that the pyroelectric coefficient and susceptibility increase with the decrease of the magnitude of the long - range interaction and the interfacial coupling when the temperature is lower than the phase transition temperature
我们发现，在相变温度以下，随着双层薄膜的界面耦合的减弱，铁电双层薄膜的热电系数和介电极化率增加。 |
| 5. | We also find that the strong long - range interaction , the large transverse field and weak interfacial coupling can lead to the disappearance of some of the peaks of the pyroelectric coefficient and susceptibility of the ferroelectric bilayer . we believe that it is the reason why these phenomena always take place in the experimental studies
我们还发现，较强的长程相互作用，较大的横场以及相对较弱的界面耦合作用将会导致铁电双层薄膜的热电系数和介电极化率的某些峰消失，这可以用来解释在实验中常常观测不到热释电系数和介电极化率的某些峰值的原因。 |
| 6. | In the framework of the long - range interaction , we study the interfacial effects on the pyroelectric and dielectric susceptibility of a ferroelectric bilayer for the first time . we find that the quantum effect can lead to the disappearance of some of the peaks of the pyroelectric and susceptibility of the bilayer
我们首次在长程相互作用的框架内，考察了界面对双层膜的热电、介电等物理性质的影响，且量子效应的增强会导致铁电双层薄膜的热电系数和介电极化率的某些峰的消失。 |
| 7. | If the position of the non - polarization slab shifts from the center to the surface , the number of the peaks of the susceptibility will change , and a step - like polarization curve is found . finally , two types of the dipolar defects are introduced into the lattice - based ferroelectric system
杂质层的空间位置的变化，如由中心对称位置向表面方向移动，会导致多层膜的相变温度升高，介电极化率由一个峰变为两个峰，多层膜的极化随温度升高出现跳跃下降( step一likepolarization ) 。 |
