磁量子數 的英文怎麼說
中文拼音 [cíliángzishǔ]
磁量子數
英文
magnetic quantum number-
The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given
利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁矢量位、修正磁矢量位與二階矢量位的關系,寫出了引入二階矢量位的過程;以時諧場矢量邊值問題為例,闡明了不同坐標系下電磁場解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球矢量波函數更普遍的兩類矢量函數,給出了其在球面上的正交關系。The " allowed " electric dipole ( el ) transitions will encounter strong competition from " forbidden " transitions, i. e. magnetic dipole ( ml ), electric quadruple ( e2 ) and other higher order transitions, the transitions rates for the forbidden decay scale with higher powers of z than those of el transitions, the effects of quantum electrodynamics ( qed ) also scale with higher power of z. accelerator - based beam - foil spectroscopy ( bfs ) is an important method for spectroscopic studies of highly ionized atoms
在高離化態原子中,磁相互作用明顯增強, 「允許的」電偶極( e1 )躍遷將遭到來自磁偶極( m1 ) 、電四極矩( e2 )和其它高次的「禁戒」躍遷的強烈競爭,禁戒躍遷幾率隨核電荷數z增加而迅速增加,此外量子電動力學效應也隨著z增加而增強。After studying the relation of distributive function and density matrix, the electron energy is calculated in magnetic field according to the distributive function in the thermodynamic statistical physics and the density matrix average value principle in the quantum mechanics, respectively
摘要研究正則系綜中的配分函數與密度矩陣的關系,分別採用熱力學統計物理中的配分函數和量子力學中的密度矩陣與平均值原理,計算電子在磁場中的能量。The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。The atom of which number of valence electron is half of the sub - layer of electron has magnetic entropy value according to the theoretic calculation
根據理論計算,價電子為半滿的原子全形動量量子數j值比較大,從而有大的磁熵值。The results show that the quantum current and the quantum energy spectrum are not only related with the external magnetic field and the parameters of the mesoscopic metal ring, but depended on the quantization character of the charge evidently
結果表明,量子電流、量子能譜不僅與外磁場、介觀金屬環電參數有關,而且還明顯地依賴于電荷的量子化性質。Expanding the system ' s hamiltonian to a real symmetric matrix in an appropriate orthogonal basis vector and then diagonalizing it, we get the energy spectrum of the system and calculate the energy level spacing distribution function and the spectral rigidity. then we study the statistical character of the energy spectrum under the changing of magnetic field intension and find that the system ' s motion transfers from regular to chaos gradually
將系統的哈密頓量在一個適當的正交基矢下展開並對角化,得到系統的能譜,分別計算系統能譜的能級間距分佈函數和譜剛度,研究了該系統量子能譜的統計特徵隨磁感應強度大小的改變而表現出的系統運動由規則到混沌的漸進變化。And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made. the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al. on efficiency and gain are analyzed in detail
並對34ghz兩腔迴旋速調管的注?波互摘要作用進行了大量的數值模擬研究,分析了漂移區長度、電壓、電流、速度lhq值、磁場k , ; 、注入波功率等多種因素對互作用電子效率及增益的影響。In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction
本課程所覆蓋的論題包括:狹義相對論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波:光子晶體和負折射率。The system has its own style. the trapping beams can be independently adjustable and three double - passed circularly polarized cooling / trapping beams intersect at the center of mot. about 1 107 cesium atoms with equivalent temperature of ~ 270 k are successfully trapped in our vcmot
在每束冷卻俘獲光的光強約4 . 9mw cm ~ 2 、失諧量為- 10mhz 、軸向磁場梯度約11 . 6gauss cm的條件下得到的冷原子樣品中典型的原子數約1 10 ~ 7個,溫度約270 k左右。In 1982 professor tsui discovered the remarkable fractional quantum hall effect in his experimental studies of electrons in high - mobility semiconductor heterostructures placed in strong magnetic fields at very low temperatures. professor tsui and his co - workers found unanticipated plateaus in the hall conductivity, characterized by fractional quantum numbers, in contrast to the integral quantum hall effect discovered two years earlier
崔琦教授於一九八二年發現限制在平面上運動的電子系統在強磁場、極低溫的條件下,形成一種奇異的量子液體,它的準粒子元激發具有分數電荷,遂呈現所謂分數量子霍爾效應。This thesis reports an analytic study on the giant - magnetoresistance of multi - layer sandwich structure and spin - valve structure by using green function quantum statistics approach and nonlinear kubo formula that was derived by sub - dynamics theory
本論文報導使用量子統計格林函數方法以及由子動力學理論推出的非線性響應理論對多層膜三明治結構和自旋閥結構的巨磁電阻效應的解析研究。Secondly, the influence of temperature and the number of qubits to the entanglement is discussed in the frame work of quantum heisenberg xx model., the results show that the parity of the number of the qubit has the great influence to the properties of the entanglement. for the odd qubit system, the entanglement does n ' t exist in the anti - ferromagnetic region, and the critical temperature increases with the increase of the numbers
其次,以heisenbergxx鏈為模型,研究了多體情況下溫度和量子位數對糾纏的影響,結果表明,量子位數的奇偶性對糾纏的性質有顯著的影響,奇量子位系統在反鐵磁區不存在對糾纏,且糾纏的臨界溫度隨著量子位數的增加而升高;偶量子位系統在鐵磁區和反鐵磁區均存在對糾纏,而且糾纏的臨界溫度隨著位數的增加而降低。Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results
利用退磁曲線法,推導磁力泵聯軸器能量通用公式,導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法,周向傳動轉矩計算方法,結合試驗結果,總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。In this paper, we first investigate the impurity effect ( ba2 + ) on the dielectric and phase transition properties in srtio3 within the framework of the transverse - field ising model ( tim ). then a possible coupling mechanism between the magnetism and dielectric properties in eutio3 is discussed and the magnetic influence on the frequency of the soft - phonon mode is investigated via the heisenberg model, soft - mode theory under the mean field approximation, the second quantization theory and the perturbation theory. and we proceed further investigation on eu1 - xbaxtio3 of
我們發現baxeul _ xtio3 ( o 『 x 『 0 . 2 )的介電常數和由內察的偏置場導致的電極化除了隨雜質濃度產生相應的變化,同時在磁和介電性質的藕合作用影響下在低溫下偏離通常的量子順電體行為,在尼爾溫度附近出現異常,且磁場通過對最近鄰自旋關聯的作用來影響介電常數和電極化。The regenerative characteristics, performance parameters and optimal theories of the encsson and stirling cycles using respectively a ferroelectric material, a ferromagnetic material, a classical gas, a quantum gas and a spin system as the working substance are researched for different operating conditions
本論文主要研究以鐵電材料、鐵磁材料、經典氣體、量子氣體和自旋系統等不同材料為工作物質的埃里克森循環和斯特林循環在各種不同條件下的回熱特徵、性能參數及優化理論。In this paper, an micro - strip antenna based on novel electromagnetic ( photon ) structure is designed, numerical experiments show that such kind of structure can decrease the surface - wave caused by thick substrate, thus the bandwidth and gain of antenna are improved evidently
本文設計了一種加入新型電磁(光子)晶體結構的微帶天線,通過數值模擬,證明它消除了大量由厚介質帶來的表面波效應,從而明顯增加了天線的帶寬和增益。Rsfq ( rapid - single - flux - quantum ) logic family is a new type of technology in superconducting digital circuits, in which the information is carried in the presence or absence of sfq voltage pulses generated by damped josephson junctions
超導快單磁通量子rsfq ( rapidsinglefluxquantum )電路是一種新型超導數字電子技術,它通過磁通量子化了的電壓脈沖的有、無,來表示二進制信息。The results of numerical calculation show that the ground - state energy changes with the coulomb bound potential, magnetic field and the well - width, which will increase with increasing magnetic field and decrease with increasing the coulomb bound potential and the well - width
通過數值計算結果表明:量子阱中束縛極化子的基態能量因振動頻率、庫侖束縛勢、磁場和阱寬的不同而不同,它隨振動頻率和磁場的增加而增大,隨庫侖束縛勢和阱寬的增大而減小。In 1987, a remarkable step was made by yablonovitch, who pointed out the possibility of the realization of photonic bandgaps, localized defect modes, and their applications to various optoelectronic devices, and by john who dicussed the strong localization of electromagnetic waves in disordered photonic crystals and also predicted many interesting quantum optical phenomena that can be realized in photonic crystals such as the bound state of photons and non - exponential decay of spontaneous emission
1987年yablonovitch和john開創性地提出光子晶體這一新概念, yablonovitch指出了有可能實現光子頻率帶隙和局域缺陷模以及許多光電技術方面的應用, john則討論了在無序光子晶體中電磁波的強烈局域現象,並預言在光子晶體中存在許多有趣的量子光學現象,諸如光子局域態、自發輻射的非指數衰減。分享友人