| 1. | The magnetic properties of mixed ising spin system in the different transvres fields
不同子格随机横场作用下混合伊辛自旋系统的磁学性质 |
| 2. | The dependence of the curie temperature on the thickness of the film , the surface interaction and the transverse field are investigated
研究了居里温度与薄膜厚度、表面赝自旋交换相互作用强度及横场的关系。 |
| 3. | A method beyond mean - field theory is applied to investigate the effects of the long - range interaction on the physical properties of the ferroelectric thin film
在这篇论文里，我们在横场伊辛模型和朗道唯象理论的框架内引入长程相互作用。 |
| 4. | Furthermore , when spin - 1 / 2 and spin - 1 sublattiees are of the different transverse fields and trimodal random distributions , they play a very different role
进一步的研究发现自旋1 2子格和自旋1子格中的横场不同并伴有随机分布时对系统的相变特性的影响是不同的。 |
| 5. | The curie temperature of ferroelectric films is studied using spin - 1 / 2 transverse ising model with long - range interactions within the framework of an effective - field theory
我们首先应用有效场理论，在横场伊辛模型的框架内研究了赝自旋s = 1 / 2的具有长程相互作用的铁电薄膜的相变性质。 |
| 6. | In chapter three , giving an initial disturbed transverse electric field and selecting the parameters in ionosphere , then we numerically simulate these equations we have get
第三章是在给定一个初始的扰动横场条件下，并选取好所需要的电离参数，然后对已求得的这组方程进行数值模拟。 |
| 7. | If the interfacial coupling of the ferroelectric bilayer is antiferroelectric , we find it is possible to exist triple hystersis loops once the parameters of the two slabs are selected appropriately
当铁电双层膜的界面耦合为反铁电耦合时，发现在适当的材料厚度、反铁电耦合强度、横场和温度的匹配下可以观察到多态电滞回线。 |
| 8. | The existence a smaller crystal field can magnify magnetic ordering region at low temperatures and can depress one at high temperatures . the existence of a lager transverse field can a lso assist the occurrence of reentrant phenomena
在随机横场作用下的平方格子中，较小晶场的存在能使系统低温时的磁有序相范围增大；而较大的横场也有助于重入现象的出现。 |
| 9. | It is found that the enhancement of the long - range interaction will result in the increment of the phase transition temperature , the increase of the critical transverse field and the decrease of the critical size
采用超越平均场理论计算了长程相互作用对铁电薄膜的物理性质的影响，发现长程相互作用的增强将使铁电薄膜的居里温度升高、临界横场增大、临界尺寸下降。 |
| 10. | In the framework of the transverse ising model ( tim ) , landau phase transition theory and the electrostatic field theory , we study the physical properties of the ferroelectric thin film , bilayer , sandwich structure , multilayer with a non - polarization slab and a two - dimension polar lattice model with polar defects . the main work and results are as follows : first , the long - range interaction in ferroelectric material is sometimes neglected in the previous studies . we introduce the long - range interaction in the framework of the tim and the landau theory
本文在横场伊辛模型、朗道相变理论以及静电场等理论的框架内，对铁电薄膜、铁电双层膜、铁电三明治结构以及含有杂质层的铁电多层膜和含有偶极缺陷的二维偶极点阵系统等多层铁电系统的相变、热电、介电、电滞行为等物理性质进行了深入研究。 |
