激子相 的英文怎麼說
中文拼音 [jīzixiāng]
激子相
英文
excitonic phase-
In the chapter four, we studied some low - lying absorption spectroscopy and the resonant absorption probability of bohrium ( z = 107 ) by using mcdf method which included the correlation effects and relativistic effects systematically. we got some satisfied results of the ionization energy which make a good agreement with the results obtained by the semi - empirical method
論文第四章通過系統考慮電子相關效應和相對論效應,使用mcdf方法進一步預言了107號元素bh的幾個較低的激發態能級以及由基態到這些激發態的共振吸收率,得到的電離能和使用半經驗方法得到的電離能結果具有很好的一致性。Using the multi - configuration dirac - fock method ( mcdf ), we studied the characteristic of the decay processes of the 4d core excited states of csiv, the low - lying excitation structure of super - heavy element bohrium ( z = 107 ) and the x - ray spectra of the 3d - 4f transitions of highly charged xenon ions in details in this work, by including the electron correlation and the relaxation effects systematically
本論文運用mcdf方法,通過系統考慮電子相關效應和馳豫效應,分別研究了cs離子的4d內殼層激發態衰變動力學特性,超重元素bh ( z = 107 )的低激發態結構以及高離化態氙離子的3d - 4f躍遷產生的x射線譜的結構等問題。Exciton is electron-hole pair held together by their mutual coulomb interaction.
激子就是由電子和空穴在相互間的庫侖力作用下,相互維持在一起的電子--空穴對。In general, plant hormones are small molecules that probably act on target cells much the way animal hormones do
通常,植物激素和動物激素相似,是作用與目標細胞的小分子化合物。An atom on an excited upper level can execute a downward transition not just spontaneously but also when photons of the radiation field surrounding the atomic interact with it.
處在較高的激發態上的原子不只可以自發地而且可以在它與原子系統周圍輻射場的光子相互作用時發生向下的躍遷。Finally, the atomic coherent population trapping is studied in a multilevel laser - induced continuum structure system including cascade two - photon processes by means of quasi - classical theory. the condition leading to the atomic coherent population trapping and the dark state are given explicitly. the effects of atomic initial state and the laser intensity on the populations distributed in the atomic bound states are discussed
我們還運用準經典理論研究了含級聯雙光子過程的多束縛態激光場誘導原子連續態結構系統中原子布居數的相干俘獲,給出了產生相干俘獲的條件及暗態的表達式,討論了原子初態和激光強度對原於布居數的影響,揭示了原子相干對穩定rydberg原子的重要作用。Recently the subject of strong laser - atom interaction system has been a hot topic in atomic physics
近年來,隨著強激光技術的發展,激光與原子相互作用的研究已經成為原子物理學中的一個熱點。This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up
全文共分八章,取得的主要成果及創新點如下: ( 1 )首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理,在考慮如下物理過程和參量的基礎上:光與物質的雙光子相互作用; stokes光的傍軸衍射; langevin (郎茲萬)噪聲源;晶體表面反射和端面反射;增益系數、光束口徑、脈寬和三倍頻光能量密度,推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。So we figured that the influence of the electron - electron interactions must be considered in our work. added an electron - electron interaction ( up to the fourth neighbor ) term to the baranowski - buttner - voit ( bbv ) model for polyaniline, we carried out a self - consistent - variation calculation for an biexciton in the pernigranlilne - base polymer, in order to confirm the model hamiltonian. the results showed that two peaks ( near l. oev and 1. 5ev ) appeared in the calculated optical absorption, besides the reproduced electronic structure, bond order wave ( bow ) and ring - torsion angles
發現引入電子?電子相互作用后,聚苯胺靜態激子的性質受到影響,該聚合物的鍵序波、芳環扭角和電子中文摘要結構發生了變化,而且在理論吸收譜的低能端出現了明顯的二特徵吸收峰( 1 . 0ev和1 . 5ev附近) ,這一結果與實驗數據很好的吻合,從而這一點表明我們所考慮的因素是合理的。The enthalpy change on dsc curve suggests that the transition is one from low - ordered state to a higher - ordered state. a stacking mood that the 4 - trifluoro - methyl - 2, 3, 5, 6 - tetrafluorophenylmserts in between two perylene - macrocycles is confirmed by theoretical quantum calculation, such an insertion effect leads to the inversion of ( 0, 0 ) and ( 0, 1 ) absorption features under low temperature and the dramatic decrease of exciton coupling, which contributes to the spectral similarity in solution and the solid state
量子化學的計算結果支持氟取代的苯環嵌入兩個相鄰的?環之間的分子堆砌方式,使得在常溫到150左右f - ptcdi固體薄膜的紫外-可見吸收光譜的( 0 , 0 )和( 0 , 1 )性狀的強度對比發生「反轉」 ;氟取代苯環的嵌入大大降低激子耦合,使固體吸收光譜性狀與溶液類似。Evolution of the field entropy in the interaction of the two - mode su coherent states field with four - level atom added kerr - like medium
激發相干態光場與級聯型三能級原子相互作用的場熵與場的線性熵演化特性Based on the models used to deal with the interaction between the trapped ions and the laser, we investigate the physical foundation under the ion - trap computing and the evolution of the states of the trapped ions
本文在簡要總結了處理激光與原子相互作用的幾種物理模型的基礎之上,詳細研究了運用離子阱中囚禁離子對進行量子邏輯非門操作的物理原理及其在此相互作用過程中量子態的演化規律。We study the time evolution law of the atomic response in an open - type inversionless lasing system when the probe or driving field is off - resonance, and compare the law with that obtained when the probe and driving fields are resonant. we find that the detuning has considerable effects on the time evolution law : when the probe or driving fields is off - resonance, the dispersive responses for the probe and driving fields are no longer 0 and the two - photon coherence is no longer a pure real ; the variation of the probe detuning can make the time evolution law of the population distributions and the gain ( absorbtion ) of the driving field changing obviously ; with detuning increasing, the time evolution behavior of the gain ( absorbtion ), dispersion of the probe field and the two - photon coherence will gradually diviate from the evolution law of the standard damped oscillator ; with the driving detuning increasing, the oscillating time of the dispersion of the driving field becomes longer, the amplitude and the stationary value increase
研究了探測場或驅動場失諧情況下開放的型無粒子數反轉激光系統中原子響應的時間演化規律,並與探測場和驅動場都共振時的演化規律進行了比較.我們發現失諧對時間演化規律有顯著的影響;當驅動場或探測場失諧時,原子對探測場和驅動場色散的響應不再為零,雙光子相干不再是純實量;探測場失諧的變化將使粒子布居和驅動場增益(吸收)的時間演化規律明顯改變;隨著失諧的增大,探測場增益(吸收) 、色散和雙光子相干隨時間的演化行為逐漸偏離標準阻尼振子的演化規律;驅動場色散驅動場失諧量的增加而振蕩時間變長,振幅和穩定值變大Quantum coherence and interference has become one of the important forward subjects in laser physics and quantum optics
量子相干與干涉是目前激光物理與量子光學領域的重要前沿課題之一。Scattering sections reflect some characters of interaction potential in collision systems ; therefore one can get information about interaction from the theoretical and experimental research of collision between atoms and molecules. it is especially noted that non - elastic scattering sections and single rotational - excitation sections give abundant information about orientation and repulsive potential of interaction between atom and molecules, which meant an important way as to fully investigating the interaction between atoms and molecules
散射截面反映了碰撞體系相互作用勢的基本特性,從原子分子碰撞的理論及實驗中能夠獲得有關相互作用的信息;非彈性散射截面和單個轉動激發截面提供了有關原子與分子相互作用方向性和排斥勢的豐富信息,是全面探索原子與分子相互作用的重要途徑之一。It is indicated that the cavity modes blueshift with decreased radius, and on decreasing radii there is obvious anticross between the three polaritons resulted from interaction between cavity modes and its corresponding exciton modes
結果表明隨著微腔半徑的減小腔模能量藍移,腔模與相應的重空穴激子模、輕空穴激子模藕合形成的腔極化激元的三支隨著微腔半徑的減小存在明顯的反交叉行為。When exciting at 1064nm, the fluorescence of the crystal violet ( cv ) in the cv - au sol system will be quenched rapidly and meanwhile its raman signals will also be enhanced at least 105. after addition of some drops hno3 ( 1 + 10 - 2m ), due to the chemical interaction between some cv molecules and hno3, some hcv derivatives will be formed. compared with cv, hcv can be adsorbed on metal surface more easily and tightly so there is some extra enhancement in this condition
結果表明,結晶紫分子?金膠體系中結晶紫分子在1064nm近紅外光激發條件下,其熒光得以大大淬滅,同時拉曼得到了至少不低於10 ~ 5倍的增強;當進一步加入硝酸使得其處于酸性氣氛下時,由於部分結晶紫分子與硝酸發生了化學作用形成了結晶紫分子的單替代衍生物( hcv ) ,而hcv與結晶紫分子相比,更容易吸附在金屬表面,因此結晶紫分子nir - sers還將有很大的增強。On the other hand organic materials may be operated at lower voltage and is eligible to get blue color luminescence. these two kinds of materials are mutual compensatory
它有兩個發光峰,短波峰相應于lumo至homo的躍遷,長波峰是激子的發光。The photoluminescence was not found in the samples of yl1 and bl3 which are 2000pa of 50 % o2 and 50 % ar, 4000pa of 60 % o2 and 40 % at temperature 800 because of impurities and vacancies which eliminate the excitons
Yl1和bl3試樣沒有出現發光現象,主要是由於這兩個試樣中都存在純鋅相,雜質和空位較多,降低了激子的壽命。By detecting < wp = 6 > the pl spectra under low temperature, a thermal activation process could be seen. and the possible mechanism of p band formation is discussed
通過測量zno微米柱在不同溫度下的發光光譜,發現激子-激子相互碰撞產生的熱激活過程,並討論了激子激子相互作用的機理。分享友人