quantum transition 中文意思是什麼

quantum transition 解釋
量子躍遷
  • quantum : n. (pl. -ta )1. 量,額;定量,定額;份;總量。2. 【物理學】量子。
  • transition : n 轉變,演變,變遷,變化;飛越;過渡期;【音樂】變調,轉調;【修辭學】語次轉變;【語法】轉換;【...
  1. The activation effect of zn2 + modification, including enhancement of emission intensity, slowing of luminescence decay and increasing of quantum yields, results from the formation of zns shell outside the nanoparticles, which is passivating the surface of nanoparticles, eliminating the surface quenching centers, so as to block the nonradiative transition pathways through these kind of quenching centers

    Zn ~ ( 2 + )表面修飾在納米顆粒表面形成了zns殼層,鈍化了納米顆粒的表面,消除了表面猝滅中心,阻塞了通過表面猝滅中心進行無輻射躍遷的通道,從而使得發光強度增加,衰減變慢,量子效率提高。
  2. Relativistic and mass - polarization effects on the energies are included as the first - order perturbation corrections. the quantum - electrodynamics contributions to the transition energies are estimated by using effective nuclear charge

    非相對論能量用rayleigh - ritz變分法確定;相對論和質量極化效應用微擾論計算;量子電動力學修正用有效核電荷方法計算。
  3. 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。
  4. Atomic emission spectrum and phase properties of the field in some atom - field coupling systems are investigated. effects of quantum interference between two different transition pathways on atomic emission spectrum and phase properties of the field are discussed

    本文研究了光場與原子相互作用系統中原子的發射譜和光場的相位性質,討論了原子不同躍遷通道間的量子干涉對原子發射譜和光場相位性質的影響。
  5. 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。
  6. 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。
  7. It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained

    文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹,然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法,把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子,利用瞬子方法給出基態能級劈裂,最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子,從而給出由於熱助量子隧穿引起的激發態的隧穿率。
  8. The coefficient transition in quantum well is larger than that in bulk material

    3對led器件多量子阱有源區載流子輸運與復合躍遷的分析。
  9. 3 the carrier transportation and transition in led active layer had been analyzed. the larger number of quantum wells are in active layer, the lower carrier density will be, and the better confinement of carrier is

    ) y方向上的有效質量減小,而輕空穴則具有負的有效質量,這對器件電注入和光輻射復合是有利的。
  10. But at low temperatures it deviates from the curie - weiss behavior and saturates at even lower temperatures, which can be attributed to the effect of quantum fluctuation that stabilizes the paraelectric phase and suppresses the ferroelectric phase transition entirely

    量子順電體的介電常數在低溫時呈現類似於居里-外斯定律的行為,即顯示出將要發生鐵電相變的徵兆,但直至最低溫度都不發生鐵電相變。
  11. In the " hot " trapped ions scheme, transition paths involving different unpopulated vibrational states interfere destructively to eliminate the dependence of rates and revolution frequencies on vibrational quantum num bers, so the implementation is both insensitive to the vibrational state and robust against changes in the vibrational motion occurring during operation

    在「熱」離子量子邏輯門操作的雙模場相干演化方案中,量子邏輯門操作只依賴于離子對的內態,而與離子對的外部運動狀態無關,這就完全避開了實驗上很難實現的離子對的集體振動的零激發要求。
  12. The information entropy squeezing properties of the atom in motion interacting with the two - mode squeezing vacuum field via two - photoll transition are studied by means of quantum theory

    摘要運用量子信息熵理論,研究了雙模壓縮真空態與運動原子相互作用中,運動原子的信息熵壓縮。
  13. In this paper, we mainly apply the theory of yangian to quantum mechanics, studying the quantum transition of a quantum system with quantum degenerate states by means of yangian algebra

    本論文主要是將yangian理論應用量子力學之中去,利用yangian代數的方法來研究一種量子簡並態體系的量子躍遷。
  14. For the transition induced by the asymmetric perturbations is double - direction, the particle number in the core state is always less half of the total particle number. so, from the point of view of average over time, it is a coexisting state of rotating and without rotating that is formed. this state which is in the josephson tunneling regime of the macroscopic quantum tunneling is a quantum self - trapping state

    由於不對稱的微擾引起的躍遷是雙向的,使得核心態上的粒子數總是少於總粒子數的一半,因此從時間平均的角度看,形成的是旋轉的和不旋轉的態共存的狀態,而且處于宏觀量子隧穿的約瑟夫森隧穿區域中,是量子自束縛狀態。
  15. In the field of fundamental research, such as quantum optics, blue light can be used as a pump source of optical parametric oscillator ( opo ) to generate the neoclassical light fields around wavelength of 860nm, which can be detected with 99. 9 % of quantum efficiency, the highest efficiency in the measurement of neoclassical light as known yet it is also possible to generate the squeezed vacuum state at 852nm, which is the resonance wavelength of the transition line d2 of cesium atoms and can be supposed to investigate the properties of atomic radiation in the interaction between atoms and quantum state of light fields

    在量子光學中,該藍光作為下轉換的泵浦源,可以產生860nm非經典光場,其探測效率可達99 . 9 ,高於目前產生的其他任何波段的非經典光場。同時通過溫度調諧,可望產生與銫原子d2線作用的852nm波段的壓縮真空態,從而開展非經典光場與冷原子的相互作用等方面的實驗研究。本文主要通過knbo _ 3晶體外腔諧振倍頻技術來產生藍色激光光源。
  16. We also show the relationships between the frequency of the external laser fields and the transition of the qubit in the two - qubit conditional geometric quantum phase - shift gate, explaining in detail how the transition of the qubit depends on the the external laser fields and the states of the controlling qubit. we also detail the theoretical ideas which explain how to control effectivly the two - qubit conditional geometric quantum phase - shift gates through external laser fields

    我們得到了外加激光場頻率跟兩量子位條件幾何量子相移門中的量子位躍遷之間的關系,詳細地說明了量子位的躍遷是怎樣依賴于外加激光場和控制量子位的狀態的,從理論上解釋了如何利用外加激光場有效的控制兩量子位條件幾何量子相移門。
  17. This paper is mainly devoted to study of the quantum transport in semiconductor superlattice and phase transition of bec in optical lattice

    本文主要對半導體超晶格中的bloch電子動力學以及光格子中玻色-愛因斯坦凝聚的相變問題進行研究。
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