晶格模型 的英文怎麼說
中文拼音 [jīnggémóxíng]
晶格模型
英文
crystal model-
Then the structure unit of hexangular lattice is found according to the principle of invariable symmetry. renormalization transformation is processed when we regard the structure unit and the growth model as graphs before and after transformation respectively. after choosing the 11 thermodynamic function fugacity as parameter, we can write out the partition functions before and after transformation and the formula of renormalization transformation
然後根據對稱性不變的原則，從整體晶格中選取結構單元，把結構單元和生長模型分別作為重整化變換前、后的圖形來進行重整化變換，選取熱力學函數易逸度為參量，寫出了重整化變換前後的配分函數和重整化變換關系式，求出了這一變換的不動點。Consisting of the protracting graph of hydrogen - like atom ' s angle distributing, computer simulation of the symmetry of molecular orbital and chemical reaction mechanism, showing the molecular point group and symmetry element, computer simulation of molecular vibration, bravias ' s crystal lattice and their transforming, extracting of plane periodic lattice, extracting of solid periodic lattice, close packing of isometrical pellet and the structure of simple mental substance, close packing of unequal pellet and crystal structure of representative ionic crystal, computer simulation of phase analysis by x - ray diffraction
內容包括類氫原子角度分布圖的繪制，分子軌道對稱性和反應機理的微機模擬，分子點群和對稱元素顯示，分子振動運動的微機模擬，布拉維晶格和晶格轉化，平面點陣抽取，立體點陣抽取，等徑網球的密堆積和金屬單質結構，不等徑圓球密堆積和典型離子晶體結構， x射線多晶衍射的微機模擬十個子模塊。Our video post - processing algorithm can only convert several tipycal types of interlaced signals to de - interlaced signals. while the 21 types of video display formats must be achieved by video display module. in this dissertation. we provide the design method of video display module in detail based on the introduction of multiplicate video display formats. at the mean time, in order to improve image quality further, by analyzing and comparing a variety of currently popular image sealer methods. we provide a alternative way for selecting appropriate image sealer methods
視頻后處理演算法只針對幾種典型的輸入制式進行隔行變逐行的轉換，而多達21種的視頻顯示格式主要通過視頻顯示模塊來完成，因此，本文在介紹多種視頻顯示格式的基礎上，詳細介紹了針對我們目前版本的視頻后處理晶元視頻顯示模塊的設計方法，並且為了在視頻后處理晶元的后續版本中，進一步提高視頻顯示的質量，本文對圖像插值的方法也進行了探索，通過比較和分析目前多種流行的圖像插值方法，得到了后續版本圖像插值方法選擇的方向。Firstly, i provide a brief review of the previous achievements and investigations on the low - dimensional quantum devices and semiconductor superlattice, in which some principal theories such as bloch oscillations, wannier - stark ladder, zener tunneling and related progress in experiments are introduced
首先綜述了過去三十年低維量子器件與半導體超晶格的發展與相關研究，介紹了bloch振蕩、 wannier - stark臺階、 zener隧穿等關鍵理論以及相關實驗方面的進展，並引入簡化模型：緊束縛模型與單帶模型。In the third chapter, connected with the cube lattice model, we present the steps of the renormalization group and indicate the corresponding relationship between the fixed points of the renormalization group and the critical points
在第三章中結合立方晶格模型介紹了基於泛函積分的重整化群方法的幾個步驟以及重整化群中的固定點和臨界點的對應關系。This course examines classical and quantum models of electrons and lattice vibrations in solids, emphasizing physical models for elastic properties, electronic transport, and heat capacity
本課程檢驗了固體中的電子以及晶格振動的經典和量子模型，重點強調于彈性性質，電子輸運過程和熱容的物理模型。In this thesis, we detailedly investigate the effect of elastic scattering on the electron dynamics and the current response in the two - band superlattice
本文採用雙帶緊束縛模型，詳細地研究了彈性散射機制對超晶格中的電子動力學行為及電流響應的影響。Thirdly we introduce the superlattice model with alternating site energies which is more complicated than the simple tight - binding model, and moreover we explore the influence of the alternating diagonal term in hamiltonian on the quasi - energy bands and dynamics
接著引入更為復雜的格點能交替變化的超晶格模型，並在此基礎上考察了hamiltonian中交替變化的對角項對準能譜與動力學的影響。On the basis of the two - component soliton vibrator model, the motion of a kink pair consisting of kinks in different sublattices and soliton for the response of the external field are discussed. the mobility of a soliton pair is found
以二分量孤子的振子模型為基礎，討論了質子子晶格與重離子子晶格中扭結孤子形成的孤子對的運動及其孤子對外場的響應特性，並得到了氫鍵鏈中孤子對的遷移率表達式The main results of this paper are as fellows f 1 ) illtroducing the ultrasonic technology to the rigid measurement, successful1y exploits the practical small intellectualized ultrasonic device of measuring rigidity by applying mechanical technology, electronic technology and computer science 2 ) reading clearcf displaying more various, applying more information, being easiest to accept by user because of adopting liquid crystal display ( lcd ) 3 ) theorizing the mathematical model between the signal of frequency and the rigid value on the device, possessing very importan practical significance 4 ) optimizing the every parts of the device, achieving the goals of lower wastage of energy, smaller, lighter and inexpensive 5 ) taking the measure to reduce the wastage of energy and adopting reasonable management in power supply for the device, making the device skimp more energy, prolonging the life - span of battery 6 ) utilizing the interface of rs - 232, discussing the communication between the ultrasonic device of measuring rigidity and computef, and also forecasting the foreground of advanced exploitation by user
本文工作的主要成果是： 1 ）將超聲波技術引入零件表面硬度的檢測當中。應用機、電、計算機技術，研製成功較為實用的小型智能超聲波硬度檢測儀2 ）採用lcd （ liquidcrystaldisplay ）液晶顯示，使讀數更清晰、顯示多樣化、信息量多、易於為用戶接受3 ）在理論上建立了該系統的頻率信號與硬度值的數學模型，具有非常重要的實踐意義4 ）對各元器件進行優選，達到低能耗、體積小、重量輕、價格便宜等目的5 ）採取措施降低整個系統的能耗並對系統的供電進行了合理的管理，使其進一步達到低能耗，延長了電池的使用壽命。 6 ）利用rs - 232標準介面，討論了該超聲波智能硬度測量儀與系統機進行通訊以及用戶進行二次開發的前景In two - component model of hydrogen - bonded chains, the system with nonlinear and linear coupling between proton sublattice and heavy - ion sublattice is investigated. fast - mode soliton pair and slow - mode soliton pair are obtained. as for fast - mode soliton the effective mass of the kink in the proton sublattice decreases due to the nonlinear coupling and increases due to the linear coupling. for slow - mode soliton, the thing is quite opposite to that of fast - mode soliton
在氫鍵鏈二分量模型中，研究質子子晶格和重離子子晶格相互作用項中同時含有非線性耦合和線性耦合兩部分的系統，得到快模孤子偶和慢模孤子偶.對于慢模孤子而言，非線性耦合降低了質子子晶格中孤子的有效質量，而線性耦合增加了質子子晶格中孤子的有效質量；對于快模孤子而言，情況正好相反On the basis of the two - component soliton model, discussed the motion of a kink soliton in the presence of an external force and damping in hydrogen bonded systems, investigated the influence of motion and the optical model of the heavy - ions sublattice on the proton sublattice. the solution, the mobility and the conductivity of a kink soliton are found. the calculated results are in good agreement with the experiment results
採用二分量弧子模型，討論了在外場和阻尼存在的情況下，氫鍵系統中扭結弧子的運動，研究了重離子子晶格運動和光學模對質子子晶格的影響，獲得了扭結弧子解、遷移率和電導率，計算結果和實驗值相一致In the second chapter, combined with the two - dimension triangle lattice ising model, we show the procedures of the renormalization group methods and illustrate how to apply these methods to solve critical exponent in detail
在第二章中結合二維三角形晶格伊辛模型詳細地介紹了重整化群方法的步驟以及如何應用重整化群方法來求解臨界指數。Since the concept of superlattice was proposed, vertical transport in superlattice has been investigated widely. the electric field domains and current self - oscillations which result from sequential resonant tunneling between different subbands of the superlattice are very significant phenomena. such kind of oscillation can be uesd to make tunable microwave oscillaors. in this thesis, low temperature transport problem, especially the formation of field domain and the condition of current self - oscillations in doped gaas / alas superlattice with weak coupling are investigated thoroughly and also by combining the macroscopic model with the microscopic one., the voltage - current characteristic and the current oscillation are simulated. the calculated result is nearly consistent with the experimental data
由超晶格中子能級之間的順序多阱共振隧穿引起的電場疇及電流自維持振蕩現象是其中的一個非常有意義的分支，該現象可用來製作電壓調諧微波振蕩器。本論文對弱耦合摻雜gaaa alas超晶格中的縱向輸運特別是針對低溫下的場疇的形成和固定偏壓下電流自維持振蕩產生的條件進行了深入的探討，並結合宏觀模型和微觀模型對超晶格在時變電壓作用下的電壓-電流特性以及固定偏壓作用下的電流特性進行了模擬計算。This article mainly discusses the phase transition properties of random transverse field mixed spin ferromagnetic system with crystal field. the phase diagrams display the curie temperature dependences of the crystal field, the transverse field and the trimodal random concentration for the honeycomb lattice and the square lattice
在本文中我們採用隨機橫場與晶場共同作用下的混合伊辛自旋模型，計算並討論了二維的蜂窩格子和平方格子系統的居里溫度隨晶場、橫場和隨機濃度的變化關系。We consider the long - range interaction, the phonon - pseudospin interaction, the interfacial effects and the size effect respectively. firstly, within the framework of spin - 1 / 2 transverse ising model ( tim ), the long - range effects on the pyroelectric properties of a ferroelectric superlartice are studied by use of the beyond mean - field theory
應用超越平均場的理論、格林函數方法，在橫場伊辛模型的框架內，考慮了贗自旋間的長程相互作用、聲子與贗自旋的相互作用、界面效應和尺寸效應，對鐵電超晶格的熱電性質進行了較深入的研究。Based on the given linear holstein model, and using the variational method we obtained the ground state properties of the electron - phonon interaction system with cubic and quartic lattice ( phonon ) terms. we obtained the relations between the ground state energy and the phonon squeezing effect and polaron squeezing effect as well as the variation of the polaron bandwidth
在線性holstein模型的基礎上，採用變分法得出了含晶格（聲子）三次方和四次方勢下系統基態特性，得到了基態能量與聲子壓縮效應和極化子壓縮效應的關系，並求得了極化子能帶寬度的變化規律。At the same time the required hypothesis of cohence and non - cohence between second - phase participle and grain boundary is also excluded when the model are worked out from the perspective of geometry
同時，本文模型還避開了從幾何角度推導模型必需的二相粒子與晶界之間的共格或非共格的假設。The improved theory have succeeded in applying to gaussian model. in the third chapter, based on the single - spin transition dynamics, we discuss the time evolution of the local magnetization in the anisotropic three - dimensional xy model under the zero external field
第三章在單自旋躍遷臨界動力學的基礎上，討論零場下三維（ 3d ）各向異性晶格上xy模型的局域磁化強度的時間演化。分享友人