| 1. | 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。 |
| 2. | Ii ) with the increase of the long - range interaction and the interfacial coupling , the pyroelectric coefficient before the phase transition temperature decreases 另外,随着长程相互作用以及界面耦合强度的增强,相变温度以下的热电系数明显减小。 |
| 3. | 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。 |
| 4. | Py approximation and the msa are applicable for the systems with short range interaction , and only the hnc approximation can be used in the systems with strong long range interaction Py近似和平均球近似适用于短程相互作用系统。只有超网链近似才适用于包括离子液体在内的强长程相互作用系统。 |
| 5. | We find that i ) with the increase of the long - range interaction , the interfacial coupling and the thickness of one period , the phase transition temperature of the ferroelectric superlartice increases 我们发现,随着长程相互作用和界面耦合作用的增强以及铁电超晶格尺寸的增大,整个材料的相变温度升高。 |
| 6. | The effects of the interfacial coupling and the thickness of one period on the pyroelectric properties of the superlartice are investigated by taking into account the long - range interaction 研究了长程相互作用对铁电超晶格热电性质的影响,并在考虑了长程相互作用的情况下,分别研究了界面耦合和尺寸效应对铁电超晶格热电性质的影响。 |
| 7. | The long range interaction simulated by polarizable continuum model , the hydrogen bonding interaction , and the whole interaction between the solute and the medium were separately investigated 分别研究了由极化连续模型模拟的溶剂和溶质分子的长程相互作用,溶剂和溶质分子的氢键作用,以及溶剂和溶质分子的整体作用对分子结构和性质的影响。 |
| 8. | 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。 |
| 9. | The calculated values are consistent with experimental results . 3 . the potentials of the long - range interactions are much different for the system in the atom - diatom [ v r ( t ) - 6 ] , and that in diatom - diatom [ v r ( t ) - 3 ] , so the interference effects are different theoretically 3 .原子一分子体系与极性分子一极性分子的长程作用势有明显的不同,对于原子一分子体系,长程相互作用势vocr ( o场,而极性分子一分子体系的长程相互作用势v二r ( o一, 。 |
| 10. | The dependence of the curie temperature and the critical transverse field on the long - range exponent is obtained . long - range effects on the pyroelectric coefficient and susceptibility of a ferroelectric bilayer with a ferroelectric interfacial coupling are investigated by use of the transverse ising model within the framework of mean field theory 同时还考察了长程相互作用对居里温度和临界横场的影响;界面、长程相互作用及横场对铁电双层膜的热电性质和介电性质的影响在本文的第三部分我们作了较为详细的研究。 |