quantum level 中文意思是什麼

quantum level 解釋
量子能級
  • quantum : n. (pl. -ta )1. 量,額;定量,定額;份;總量。2. 【物理學】量子。
  • level : n 1 水平儀,水準儀;水準測量。2 水平線,水平面;水平狀態;平面,平地。3 水平,水準;水位;標準;...
  1. Emission spectrum of two two - level atoms driven by a quantum field

    由量子場驅動的雙原子發射譜
  2. The results show : ( 1 ) that the dynamical properties in the system depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the atomic dipole moment can be completely squeezed via choosing optimal degree of entanglement of the initial atoms in the feeblish optical field ; ( 2 ) that the quantum properties of the system also depend on the degree of entanglement of the initial two identical two - level entangled atoms and the intensity of the coherent optical field, and the radiation field can be effectively squeezed via choosing optimal degree of entanglement of the initial atoms in the fee blish optical field

    ( 2 )相干態光場的強度和兩原子的初始糾纏度對光場的量子特性也有很大的影響。光場的二階相干性質(聚束與反聚束)和光場的壓縮效應均與光場強度和兩原子糾纏度相關聯。在弱光場中,選擇合適的兩原子初始糾纏度,光場壓縮深度和時間可達到最大。
  3. Others, who bathe in mysteries professionally, like a quantum mechanists, put physics on a human level by making the observer participate in the existence of the observed

    還有些人,專業上陶醉於神秘,例如量子論的機械師,將物理擺在人類的層次,讓觀察者得以參與被觀察者的存在。
  4. We analyze the influences of the perturbed energy - level space and superposion, laser power and intermediate level offset on quantum interference. experimentally, in the sodium dimmer rhomb - type four - level system with a pair of perturbed levels, the interference enhancement of two - photon absorption caused by coherent superposition of the perturbed levels is experimentally observed

    分析了微擾能級的間隔和疊加程度、激光功率以及中間能級的失諧對量子干涉效應的影響,實驗上觀察了包含有一對微擾疊加中間能級的菱形四能級系統中的雙光子激發現象,發現微擾能級的相干疊加可增強雙光子吸收。
  5. Quantum interference occurs in a three - level a system with near - degenerate dipole allowed transitions, which are coupled to the same linearly polarized incoherent field

    如,當a型的兩個躍遷與一個線性極化的非相干場進行耦合時,非相干泵浦產生量子干涉。
  6. It has been shown that whether resonant or non - resonant interaction system, the kerr effect weakens the coupling of the field - atom, shortens the cycle of quantum collapses and revivals of the atomic level occupation and makes the nonclassical correlation properties steady. kerr effects on the properties of the correlation, on the correlation intensity between the two - mode, on the photon - number distribution and on the bunching or antibunching effect of the two - mode su ( 1, 1 ) coherent states produce obviously different characters when it is changed the initial intensity of the light field. that is to say, kerr effect on the two interaction systems is accorded

    數值計算結果表明:無論是共振還是非共振相互作用, kerr效應均使原子與光場的耦合減弱,原子布居的崩塌與復甦的周期縮短,光場的非經典相關的穩定性增強;在初始光場較弱和較強兩種情況下,類kerr介質對雙模su ( 1 , 1 )相干態場兩模間的相關性、相關程度以及光子的聚束與反聚束效應產生的作用均有明顯的區別,即kerr效應對系統在共振及非共振作用時的影響是一致的。
  7. In this thesis, we demonstrate the study of si - based light emitting materials and its importance in si - based photonics integration. we discussed mainly the gain, differential gain, threshold current of si - based quantum - dot laser and the dependence of threshold current on temperature from discrete energy level of three - dimension confined quantum - dot and state density distribution of 5 - function

    本文闡述了si基光發射材料的研究進展及它在硅基光電子集成中的重要地位,從三維受限量子點的分立能級和函數狀的態密度分佈入手,著重討論了si基量子點激光器的增益、微分增益、閾值電流及閾值電流的溫度特性。
  8. Because a conventional quantum well is needed to add in the novel structure, many experiments were made on conventional gaas / algaas qwips. the experiment results based on various test methods were well analyzed. the detectivity of conventional gaas / algaas qwips can be comparable to the current level gradually

    由於改進結構中需要加入一常規量子阱,因此針對常規結構做了部分實驗,由多種測試方法得到大量實驗數據,並對其進行了全面的分析,常規gaas algaas量子阱紅外探測器的研製已經逐步趨向正常化。
  9. 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。
  10. Abstract : we have studied the spontaneous emission from a three - level atom with an external - driving field in a photonic crystal. as a result of quantum interference and photon localization, the population in the two upper levels displays quasi - oscillatory oroscillatory behavior. this depends on the initial atomic state and the relative positions of the two upper levels from the forbidden gap. the intensity and the phase of the external field can affect spontaneous emission from the atom. the properties are different from a three - level atom either in vacuum or in aphotonic crystal without an external driving field

    文摘:討論了在雙光子驅動場作用下,三能級原子在光子晶體中的自發發射問題.由於量子干涉和光的局域化作用,兩個上能級中的占據數將具有周期振蕩或準周期振蕩的性質,這不僅依賴于兩個上能級與禁帶的相對位置,同時也依賴于原子的初始狀態,而且還與驅動場的強度、驅動場的入射位相有關.這些性質既與真空中帶有驅動場的原子的自發發射性質不同,也有別于無驅動場作用下光子晶體中三能級原子的自發發射性質
  11. It is derived the hamiltonian for the interaction of a - type three - level atom with a two - mode quantum cavity field from the general interaction hamiltonian between a multi - level atom and a multi - mode radiation field, and reduce it into an effective two - mode raman - coupled mode under large detuning condition. it is proposed a modified effective hamiltonian for the two - mode raman - coupled model. it is found the time - dependent state vectors and present validity conditions for the involved interaction hamiltonians. it is shown that in the study of the two - mode raman - coupled model it is not enough to retain only the usually used effective hamiltonian, one must also take into account the ac stark shift of the atomic levels ( at least one of the levels ). finally, it is studied the atomic dynamics in the interaction of a - type three - level atom with a two - mode quantum cavity field and in the two - mode raman - coupled model. it is found that the number of collapse - revivals, the collapse time and the revival time show new characteristics

    從多能級原子與多模光場的相互作用哈密頓量出發,導出了型三能級原子與雙模光場的相互作用哈密頓量.在大失諧條件下將其化成等效的二能級形式雙模喇曼耦合模型.提出了該模型的一個改進型等效哈密頓量.該哈密頓量由兩部分構成:一部為通常所謂的等效哈密頓量,另一部分描述原子能級的動態斯塔克移動.研究表明,在雙模喇曼耦合模型的研究中,只考慮前者是不夠的,還必須考慮後者.最後,我們研究了該系統中原子的動力學行為,發現崩塌-復甦的數目、崩塌時間和復甦時間均呈現新的特性
  12. All - solid - state laser is an advantage lamp - house. it has many important applications and potential commercial value in many fields, such as industry, scientific research, military. so it ' s always the research focus of laser field. diode end - pumped solid - state laser has many merits. including high efficiency, long lifetime, high frequency stability, narrow line width, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments. in this thesis, a series of experiment research was done with regard to blue laser, green laser and infrared laser

    激光二極體端面泵浦的固體激光器具有效率高、譜線窄、壽命長、結構簡單、使用方便等優點,特別是採用環行諧振腔內加光學單向器構成的單頻激光器,由於頻率穩定,使其成為許多高水平量子光學實驗的主要光源。本論文圍繞全固態單頻藍,綠,紅外激光器進行了一系列實驗研究工作。
  13. The influence of quantum number loss on alkaline metal atomic energy level

    量子數虧損對堿金屬原子能級的影響
  14. In the first chapter we discuss the relativistic kinematics at a quantum mechanical level

    第一章我們在量子力學的基礎上討論了相對論運動學。
  15. The decoherence suppression issue is studied for two - level quantum systems based on coherent control strategy

    摘要對於二能級開放量子系統,研究了利用相干控制抑制退相干效應的問題。
  16. Our company department domestic most heavy pig, ox, sheep ' s casing process key enterprises of foreign exchange earning, annual export quantum accounts for 50 % of the export quantum in shandong, for over ten years, according to the request of customers of foreign countries, we are according to european union ' s standard organization ' s production strictly, product quality is steady, detection means is complete, have reached the international most advanced level

    我公司系國內最大的豬、牛、羊腸衣加工出口創匯重點企業,年出口量佔山東省出口量的50 % ,十幾年來,根據國外客戶的要求,我們嚴格按照歐盟標準組織生產,產品質量穩定,檢測手段齊全,達到了國際先進水平。
  17. We use full quantum theory to investigate the decay distribution of atoms in one - dimensional photonic crystal and the quantum interference property of a v - type three - level atom placed between two parallel plates

    採用全量子理論,本文研究了一維光子晶體中原子自發發射的壽命分佈和置於兩平板介質之間的v型三能級原子的量子干涉性質。
  18. In a quantum world, at the most fundamental level everything is in a state of constant flux, even “ empty ” space, which is in fact filled with virtual particles that perpetually pop in and out of existence

    在量子世界中,所有的東西在最基本的層次上都會不停的變動,即使是在真空中,也有虛粒子不停地出現又消失。
  19. Besides the important academic values, the research for quantum interference in multi - level systems has also promising applications

    因而對多能級系統的量子干涉及其相關因素的研究不僅具有重要的學術意義,而且具有較好的應用前景。
  20. To be truly useful, however, this analogy must extend to the quantum level

    然而,真要讓這項類比派上用場,它必須要能延伸到量子的層次。
分享友人