能級間的躍遷 的英文怎麼說
中文拼音 [néngjíjiāndeyuèqiān]
能級間的躍遷
英文
transition between energy level- 能 : 能名詞(姓氏) a surname
- 級 : Ⅰ名詞1 (等級) level; rank; grade 2 (年級) any of the yearly divisions of a school course; gra...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 的 : 4次方是 The fourth power of 2 is direction
- 躍 : 動詞(跳) leap; jump
- 遷 : Ⅰ動詞1. (遷移) move 2. (轉變) change 3. (古時指調動官職) be appointed to a certain post Ⅱ名詞(姓氏) a surname
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The research for the binding energy of d - centers is important to the transition energy and the optical and the magneto - optical absorption of shallow center d - there have been some theoretical and experimental investigations [ 1, 4, 5, 6, 7, 8 ] about three - dimensional and two - dimensional d - centers in magnetic field, but have no works discussed the d ~ centers in quantum wells in the strong magnetic field limited
研究d ~ -中心各個態的束縛能,對于研究d ~ -中心各能級之間的躍遷和d ~ -中心的光學和磁光吸收、新型器件的研製與開發都有很大的意義。By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs
本文利用多組態dirac - fork ( mcdf )理論方法,通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數,系統地研究了弛豫和相關效應對中性ne原子2p ~ 53s ~ ( 1 . 3 ) p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響,給出了長度和速度兩種不同規范下激發態的能量和輻射壽命;以中性ne原子的研究為基礎,進一步研究了類ne等電子系列離子( z = 11 - 18 )較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state
文摘:研究了四能級系統中基於五階極化的拍頻效應,考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說,這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時,可得到消除多普勒增寬的精度The smallest energy transitions are between rotational levels; the next smallest between vibrational levels.
在轉動能級之間的能量躍遷最小,其次是振動能級之間的躍遷。Comparing of the ratio of 550nm emission intensity to 525nm in samples annealed at different temperature and times, the results obtained from a fit of the integrated intensity for these two emission indicated the change of radiative transition probability at different energy level are different
通過比較不同退火溫度和時間樣品的兩者發光變化的不同,發現兩者的激發機理不同。通過比較不同樣品的525nm和550nm發射強度比值隨退火條件的變化以及這兩個發光的積分強度的變溫擬合結果說明退火對不同能級的輻射躍遷幾率的影響不同。With time - evolution - operator, it is proved that the population of upper level is in circumstance of cyclic oscillation by laser pulses pair of gaussian line - shape in a homogeneous broadening two - level system. the oscillatory time oxide is the delay time between the laser pulse pairs and the oscillatory frequency equals the one of transition between the lower and upper level
引入時間演化算符,證明均勻增寬二能級體系在飛秒激光脈沖對作用下上能級激發態布居是周期性變化的,它以飛秒脈沖對之間的延時為時間軸,以該原子能級之間的躍遷頻率為振蕩頻率First, we study electromagnetically induced absorption. this significant feature of the system model is that a four - level system in which three - dipole transitions are in n configuration in this system, the middle transition serves as a probe transition and two other transitions serve as couple transitions
系統的模型特徵是:三個電偶極躍遷構成n型鏈的四能級系統,其中,中間躍遷為探測躍遷,兩邊的躍遷為耦合躍遷。The method plays an important role in distinguishing and studying the complicated and confused spectral characteristics and mechanisms of the rare earth. ( 2 ) it is found and explained that due to the boltzmann distribution law at room temperature, the positions of the fine peaks of the photoluminescence band stemming from the transitions between an excited state and the ground state of a re3 +, match these of the absorption bands from the transitions between the ground state and the excited state. the stark split energy levels of the ground state 4i15 / 2 and two excited states 2s3 / 2 and 4f9 / 2 of the er3 + in er203 have been determined
薛理輝武漢理工大學博士學位論文摘要( 2 )發現在常溫下,由於boltzm ~分佈律的作用,在re3 +的基態電子態和激發態間躍遷所產生的發光譜帶和吸收譜帶中的精細譜峰的位置一一相同,解釋了產生這種關系的原因,並弄清了er203中er3 +的基態電子態4lts . 12和激發態電子態2凡/ 2 、 4凡/ 2的stark能級分裂情況,確定了常溫下erzo3中er3 +的4了15 / 2一2凡/ 2和『 i , 5 / 2一『凡/ 2精細能級間的躍遷形式。The intensity of distinguishable pl peaks increased with the increasing n content in the films, and the central positions of the above two pl bands were influenced by both the content of o and n. it is suggested that these pl were originated from luminescence centers related to si - o and 0 - si - n defects
分立峰強度隨薄膜中的氮含量增加而升高,熒光帶中心位置受到氧、氮含量的影響,分析表明其熒光起源於si - o和n - si - o等復合缺陷組態能級間的輻射躍遷。Ar n2 ) are exhibited. we obtain the complete information and a whole microscopic picture of the intermolecular actions and relative motions of these complexes. all observed bands are rationally assigned by isotope effect and calculated at the internal rotational levels and external vibrational levels are obtained
由理論計算和同位素效應對光譜的分析作了合理的歸屬,獲得了復合物c _ 6h _ 5ch _ 3 … n _ 2 、 ar的分子間相對振動模式和內轉動的能級躍遷完整信息。And the transmitting form of the stark split energy levels between the ground state and the two excited states has been clarified. ( 3 ) a concept of the electronic infr
( 3 )提出了電子紅外光譜的概念,與普通的紅外光譜即振動紅外光譜不同的是,電子紅外光譜來源於電子能級間的吸收躍遷。Under an appropriate condition, the squeezed vacuum field can trap the two atoms in ri ). an analytical expression of emission spectrum for three - level atom interacted with two - mode cavity field is given. the effects of the initial state of system on the emission spectrum for three - level atom are explored
我們給出了好腔中與雙模腔場相互作用的三能級原子發射譜的一般表達式,探討了系統初態對三能級原子發射譜的影響,闡明了只有原子和雙模驅動場初始時刻均處于相干疊加態,原子不同躍遷通道間的量子干涉才使得原子發射譜呈現相位敏感性。Second, we try to find another kind of realization of yangian so that we can study the symmetry of this system based on a different point of view. we find that there is yangian symmetry in dirac oscillator, as a result, we are able to shift one degenerate state to anther in the same energy level. then we construct the corresponding transfer matrix to determine the rtt integrability of dirac oscillator
然後,本文尋找dirac諧振子的另外一種yangian實現形式,從另一個角度研究該體系的對稱性,從而表明dirac諧振子這里這種實現下具有yangian對稱性,這樣,我們可以實現在同一個能級的不同簡並態之間的躍遷,再構造出相應的整體轉移矩陣,確定dirac諧振子在rtt意義下的量子可積性的問題。分享友人