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landau n.1.雙排座后活頂小客車,雙排座敞篷轎車。2.雙排座開...

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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 本文在橫場伊辛模型、朗道相變理論以及靜電場等理論的框架內,對鐵電薄膜、鐵電雙層膜、鐵電三明治結構以及含有雜質層的鐵電多層膜和含有偶極缺陷的二維偶極點陣系統等多層鐵電系統的相變、熱電、介電、電滯行為等物理性質進行了深入研究。

In chapter 2 , we study the existence of the global attractor the complex ginzburg - landau equation in three dimensions space . first , we consider existence of local solu - tion . for a given perturbation n ( u ) , we prove n ( u ) is contractive and locally lipschitz continuous 在第二章,考慮ginzburg - landau方程在三維空間的整體吸引子的存在性,首先考慮ginzburg - landau方程的局部解的存在性,對于一給定的擾動項n ( u ) ,證明n ( u )是收縮的且是局部lipschitz連續的。

The effect of the form of electron distribution function on electron temperature was also discussed in the first part . in the second part , starting from kinetic equations , we discussed stimulated raman scattering ( srs ) by including both landau damping ( ld ) and the collisional damping ( cd ) 第二部分從含有限碰撞效應的vlasov - maxwell方程組出發,首先推得含碰撞阻尼和landau阻尼的描述受激raman散射的耦合方程組,然后討論受激raman散射的線性增長率。

In chapter 3 , we study the existence of global smooth solution and regularity of the global attractor for the complex ginzburg - landau equation in three dimensions space . first , applying a , series fine estimate , we prove existence of global smooth solution 第三章,在三維空間中研究ginzburg - landau方程整體光滑解的存在性和整體吸引子的正則性,首先利用系列精細的估計證明整體光滑解的存在性。

In first part we consider the existence of the global attractor the complex ginzburg - landau equation in three dimen - sions space , the regularity of the global attractor , the exponential attractors and the existence of the global attractor in whole r ~ ( 3 ) 首先,在第一部分,考慮ginzburg - landau方程在三維空間的整體吸引子的存在性,整體吸引子的正則性,指數吸引子和三無界區域r ~ 3上的整體吸引子。

We deduce the correlation functions of order parameter by hyperboloid function ( t > tc , t < tc ) , and then compare the two functions to get the change of specific heat , and to get correlation length ? as the token of correlation degree 利用殘數定理分別求t t _ c , t t _ c時的關聯函數,發生相變時比熱的躍變,找到表征關聯的特征量? ?關聯長度,進一步確定landau理論的適用范圍。

The nonparallel linear stability of the two - dimensional and three - dimensional disturbance waves are studied by the parabolized stability equation which is developed in recent years and the local method based on the landau expansion 采用近年來新發展的拋物化穩定性方程和利用landau展開式的局部法方程,分別研究二維和三維線性非平行流穩定性問題。

Cumulative integral is used to research the phenomenon . comparing this conclusion with that of applicable scope of landau theory , we discuss the relation between them and the essence of coefficient k and correlation length 文中用累積積分進行研究,聯系landau理論在臨界區的適用性,探討ginzburg梯度項系數k與關聯長度的實質。

In chapter 6 , it ' s the secondary part of this dissertation , we study the existence of the global attractor for the generalized complex ginzburg - landau equation with derivative term in three dimensions space 第六章,它是論文的第二部分,研究帶導數項的廣義ginzburg - landau方程在三維空間的整體吸引子的存在性。

This topic combined with the second one imply that we partly reply the open problem about the existence of global smooth solution for multidimensional landau - lifshitz equations with initial - boundary conditions 因此本課題和上一課題意味著我們部分地回答了landau - lifshitz方程整體光滑解的存在性問題。

When temperature is very close to the temperature of phase transition , critical phenomena appear in the system . fluctuation of order parameters leads to the failure of landau theory of phase transition 但是,在充分接近相變點時,系統出現臨界現象,序參量有顯著的漲落,這導致landau理論的失效。

Then , in secondary part , we consider the existence of the global attractor and the time periodic solution for generlized complex ginzburg - landau equation in three dimensions space 第二部分,考慮廣義ginzburg - landau方程在三維空間的整體吸引子的存在性和時間周期解的存在性。

For generalized landau - lifhsitz equations in multidimensions , zhou yulin and guo doling showed the global existence of weak solution in the case without gilbert term in 1986 關于多維landau - lifshitz方程, 1986年周毓麟、郭柏靈就不具gilbert項情形證明了它的整體弱解的存在性。

In this paper , we study the existence of global solution and its property of the initial boundary value problem for camassa - holm equations and ginzburg - landau equations 本文研究了camassa ? holm方程和ginzburg ? landau方程初邊值問題整體解的存在性及其性質。全文共分三個部分。

Through the analytic continuation of first order perturbation function in the - plane , we have that the integral path of dispersion equation should use the landau path 。通過將一級微擾函數在整個復頻率平面上解析延拓,得到色散方程中的積分路徑應采用landau積分路徑。

Dooley , m . , d . folkerts - landau and p . garber , 2003 , “ an essay on the revived bretton woods system “ , nber working paper no . 9971 , , cambridge ( massachusetts ) 當然美元對歐元和日元大幅度貶值將打擊歐元區和日本經濟,其收入效應會部分抵消中國對這些國家出口的價格效應

There is a singularity in the dispersion equation . it is landau ' s excellent place to handle this singularity correctly when he encountered this problem in plasma physics 色散方程中存在奇點,對奇點的正確處理采用landau在等離子體物理中的處理方法。

In chapter 7 , we discuss the existence of time periodic solution of the generalized complex ginzburg - landau equation in three dimensions space 第七章,討論廣義ginzburg一landau方程在三維空間的時間周期解的存在性。

Pomeranchuk , i . ya . “ instabilities of landau fermi - liquid via spontaneous fermi surface deformations . “ sov . phys . jetp 8 ( 1959 ) : 535 藍道費米液體與自發性費米表面破壞的不穩定性, 《實驗與理論物理學報》 8 ( 1959 ) : 535