quantum radiation 中文意思是什麼

quantum radiation 解釋
量子輻射
  • quantum : n. (pl. -ta )1. 量,額;定量,定額;份;總量。2. 【物理學】量子。
  • radiation : n. 1. 發光,射光,放熱,放射,發射。2. 【物理學】輻射;放射物;輻射線[熱、能];照射(作用)。3. 【動、植】輻射形;【測】射出測量法;【醫學】射線療法。
  1. Quantum radiation of dilaton - maxwell black hole as tunneling

    黑洞的量子隧穿輻射
  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. The hawking radiation of colored black hole as quantum tunneling

    通過量子隧穿研究帶色荷黑洞的霍金輻射
  4. Ps radiation mechanism has been discussed and investigated for many years and many theoretical models have been proposed to describe photoluminescence in porous silicon, for instance quantum confinement effect model, polysilanes model, siloxen and its derivant, surfacial states model and quantum confinement - light center model etc. in addition, study status of ps at present is addressed and applied problems in some fields are analyzed in this section

    多年來,人們對多孔硅發光機理一直進行著堅持不懈的探討和研究,提出了許多種解釋多孔硅層( psl )發光的模型,典型的有下列幾種:量子限制模型、硅-氫鍵或多硅烷( polysilanes )的發光、硅氧烯及其衍生物的發光、表面態模型和量子限制-發光中心模型。
  5. Then, upsetting the universal belief that nothing, not even light, can escape from a black hole, he used the quantum theory to demonstrate that these miniholes ( and larger ones too ) emit radiation

    后來,他用量子理論證明這些小洞(還有大一些的)能發出射線,從而推翻了認為任何東西(包括光在內)都不能逃脫黑洞的普遍看法。
  6. In addition, using the rough quantum theory of gravity, the quantum form of gravitational radiation in weak field is discussed, which is coincident with the classical results, and the calculation program does not need many operators

    另外本文採用簡化的量子觀點討論了弱引力場引力輻射的量子表述,計算過程並未涉及大量的算符運算,而且運算結果表明它與經典小參數法得到的相應輻射形式是自洽的。
  7. The classical theory of gravitational radiation and the quantum theory of it in weak field situation are fully discussed by many authors, but few of them studied on simplifying the methods to deal with the gravitational radiation and on the consistence between corresponding classical and quantum methods

    對于引力輻射的經典理論和弱場下引力輻射的量子理論各國學者雖然已有很多討論,但採用較為簡潔的經典方法和量子方法討論引力的多極輻射並給出二者自洽性的研究卻並不多見。
  8. 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
  9. He proposed that quantum perturbations of the event horizon could allow information to escape from a black hole, where it can influence subsequent hawking radiation [ 5 ]

    他提出活動視界的量子混亂就會允許信息自可以影響后來的霍金輻射[ 5 ]的黑洞里逃逸出來。
  10. In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps

    在第z三章中;通過對比,分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多孔硅光致發光光譜的影響,認為在一定的范圍內,多i孔硅的發光峰位會隨電流密度的增大而藍移,要獲得較強的發光,需z要選擇合適的電流密度;隨著腐蝕時間的延長,多孔硅的發光峰位會i發生藍移;當f酸的濃度較小q : 1 )時,峰位隨濃度的增大表現為向i低能移動;而當f酸的濃度較大河山時,峰位隨濃度的增大則表現z為移向高能;多孔硅在空氣中自然氧化;其發光峰位發生藍移,而強i度隨放置時間的延長而降低。
  11. Hawking discovered a quantum chink in this armor in 1974, when he deduced that black holes should in fact emit a random trickle of particles and radiation ( now called hawking radiation )

    1974年,霍金發現了可以從黑洞的魔掌中逃逸出來的量子縫隙,他推導出,黑洞實際上應該會發射出稀疏散亂的粒子和輻射(現在稱為霍金輻射) 。
  12. However, in 1974, hawking applied quantum field theory to the curved spacetime around the event horizon and discovered that black holes can emit thermal radiation, known as hawking radiation

    然而,在1974年,霍金將量子場理論運用到活動視界周圍的彎曲時空上而發現黑洞能發出熱輻射,就是熟知的霍金輻射。
  13. Quantum optics is a subject in studying the coherence and the quantum statistical properties of radiation field, as well as the quantum characters of light interacting with matter

    量子光學是研究光場的相干性和量子統計特性以及光與物質相互作用的量子特徵的學科。
  14. By calculating the feynman diagram in rtf, we find that when taking into account both the thermal photon emission, absorption and the virtual photon exchange processes, the infrared divergences at zero and finite temperature can be cancelled at the same time. the full quantum calculation results for soft photon radiation coincide completely with the poisson distribution obtained in the semiclassical approximation ( the coupling of the classical current and quantized field )

    通過實時溫度場論下的費曼圖計算,我們得到:將實光子的發射、吸收,虛光子的交換過程同時考慮時,零溫場論中出現的和由溫度效應引起的紅外發散都能得到消除;並且完全量子場論下的軟光子輻射幾率與半經典近似下(經典的電流和量子化的電磁場之間的耦合)得到的泊松分佈結果完全一致。
  15. In this thesis we firstly review the definition and physical properties of entangled states, and the non - classical states in the quantum optics, as well as some models of the atoms interacting with radiation field

    論文的第一部分對糾纏態的定義及物理性質、量子光學中的非經典態以及量子化的輻射場與原子相互作用模型進行了概述。
  16. Secondly, the squeezing properties of the light of the f - type quantum - beat three - level atom interacting with the single - mode radiation fields in squeezed vacuum states or in binomial states have been studied by means of quantum theory and the numerical method

    論文的第二部分研究了v -型量子拍頻三能級原子與單模壓縮真空場和二項式態光場相互作用過程中光場的壓縮效應。
  17. After the si photodiode was calibrated by synchrotron radiation, we can get the quantum efficiency of 5 to 50 nm bandwidth which made a transfer standard to spectrum measurement system

    Si光二極體用同步輻射標定后,得到了5 50nm波段的量子效率曲線,函蓋實際實驗使用的8 30nm波段,使光譜測量系統的標定有了一個傳遞標準。
  18. Quantum nonthermal radiation of arbitrarily accelerating black hole with electric and magnetic charges

    磁荷的一類任意加速黑洞的量子非熱輻射
  19. In quantum states which have squeezing effect, one quadrature phase may have reduced quantum fluctuations compared with what the relative quadrature phase have in coherent states, which makes it applied widely in optical communication systems, and so on. therefore, squeezed state of the radiation field is still a central topic in quantum optics

    由於光場壓縮態在其某一正交分量具有比相干態更小的量子噪聲,因此,在實際應用中,如果用這一分量傳遞信息,則可得到比相干態光場更高的信噪比。
  20. 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。
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