相位躍遷 的英文怎麼說

中文拼音 [xiāngwèiyuèqiān]
相位躍遷 英文
phase transition
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 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
  • 相位 : phase position; phase
  1. 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。
  2. It is found that the existence of a maximum in the snr is the identifying characteristic of the sr phenomenon. " the main - unexpected - - novelty is the dependence of the effect on initial condition. " ( report of the phys. rev. e referee ) the coherence resonance ( cr ) and the stochastic resonance ( sr ) phenomenon in a globally coupled fitzhugh - nagumo neurons model are studied

    Ohyreve審稿人語）在對fhn神經模型的共振現象研究中，我們考慮一個存在耦合的多個神經細胞相互作用的神經網路，利用平均場理論和概率躍遷理論，得到了神經系統在無信號和有周期性信號的兩種倩況下的靜息電位。
  3. In the summer stratified water column, the deeper the maximum depth of food distribution is, the stronger the dvm is performed ; the increase of the gradient of temperature in the thermocline layer can decrease the magnitude of the dvm and form the thermal barricade to the copepod ; the effects of the predation pressure on dvm is complex. on the one hand, the variations in the distribution depth of the predation pressure vs. the thermocline layer or the depth of the maximum food can modify the dvm patterns of the copepod. on the other hand, different predation pressure induces different dvm patterns

    在夏季分層水體中，食物的最大分佈深度越大，動物向下遷移的幅度也越大；溫躍層的溫度梯度增大可以減小動物遷移的幅度，成為橈足類垂直遷移的溫度屏障；捕食壓力對垂直遷移的影響較復雜，一方面，捕食壓力的分佈深度與溫躍層或食物峰值的相對位置的變化能夠改變橈足類垂直遷移的模式，另一方面，捕食壓力強度不同，橈足類垂直遷移的幅度也不同，捕食壓力越大，遷移的幅度越大，當捕食壓力增加到一定程度，橈足類停止向上的遷移，大部分時間呆在水體深層，可能進入捕食壓力引起的「滯育」狀態。
  4. Abstract : we have studied the polarization beats spectroscopy with phase - conjugation geometry in a cascade three - level system. it was found that the accuracy for the energy - level difference measurement is determined by the homogeneous linewidths of the optical transitions. under the condition for the occurrence of beating, the frequency difference of the beat between two independent light sources could exceed the laser linewidth. the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth

    文摘:研究了級聯三能級系統中的相位共軛極化拍頻光譜術.發現其對能級差的測量精度決定於光學躍遷的均勻增寬.在符合拍頻條件時，兩獨立光源拍頻的頻差可以超出激光線寬，激光絕對頻率的測量精度可達到與激光線寬同一量級
  5. No phase transition evidence is found

    沒有發現任何相位躍遷的證據。
  6. Third, the whole absorption spectrum displays, in general, three pairs of absorption peaks and three pairs of gain peaks. due to the coherences between dressed states, these peaks are not exactly at the resonant resonance frequencies between dressed states, but in the vicinity of them

    還有一個特徵就是，吸收光譜在一般情況下會出現三對吸收峰和三對增益峰，在修飾態相干的作用下，這些峰並不是位於修飾態共振躍遷頻率處，而是位於它們鄰域附近。
  7. 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。
  8. 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。
  9. 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。
  10. Three characteristic features are found. first, for the same set of atom - light interaction parameters, the indices of refraction are large at three different frequencies where the absorption vanishes. these three frequencies are determined by the resonance transition frequencies between dressed states produced by the strong driving field

    我們發現了三個重要特徵：首先，在相同的原子和光相互作用參數條件下，同時存在三個無吸收折射率增強點，這三個點所處的頻率位置由驅動場產生的修飾態之間的共振躍遷決定。
  11. Paraelectric phase transition

    順電位相躍遷
  12. The expressions of average value and variance of the phase difference and sum components are presented. we verified that under an appropriate condition the interference between the different transition processes makes counter balance, which induces the atom - field coupling system to be decoupled. the atomic population coherent trapping will take place

    模的相位保持隨機分佈，給出了光場兩個模相位差以及相位和的平均值與方差表達式，揭示了在適當的條件下，由於不同躍遷通道間的量于干涉效應，光場與原子退耦合，系統呈現原子布居數的相干俘獲現象。
  13. 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。
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