field quantum 中文意思是什麼

field quantum 解釋
場量子
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • quantum : n. (pl. -ta )1. 量,額;定量,定額;份;總量。2. 【物理學】量子。
  1. Quantum field theory maintains that all interactions arise from the creation and annihilation of particles.

    量子場論認為,一切互相作用是由粒子的產生和湮沒而引起的。
  2. This then is something of a cursory view of the direction taken by contemporary quantum field theory.

    這就是對現代電子場論的趨向的粗略的一瞥。
  3. 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
  4. 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。
  5. Conceptual system of the quantum field theory and realism

    量子場論的概念體系與物理實在
  6. The quantum field theory method in electron - atom collision

    量子場論方法在電子與分子碰撞中的應用
  7. When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale

    除了真空場模型外,科學家亦提出其他解釋黑暗能量的理論,這些模型建基於不同的物理理論或假設,例如超對稱規范理論超重力增加一些小或大的空間維數量子力學在彎曲時空的影響等等,這些理論模型,返本溯源,其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。
  8. " for fundamental work in the field of quantum electronics, which has led to the construction of oscillators and amplifiers based on the maser - laser principle

    在量子電子學領域的基礎研究成果,為微波激射器激光器的發明奠定理論基礎
  9. Thermally assisted quantum tunneling in a uniaxial ferromagnetic particle in transverse magnetic field

    單軸鐵磁顆粒激發態的熱助量子隧穿
  10. Like the quantum theory it has grown into a vast independent field of study.

    和量子理論一樣,它已經發展成為一個龐大的獨立研究領域。
  11. On the whole, bb84 + quantum cryptographic key distribution project is far from a termless absolute secure one in the perspective of theory, because the efficiency is enhanced on the sacrifice of security decreased. what ' s more, some works are done to strengthen the cryptograph in the field of identity authentication and other sectors, and the enhancement of efficiency strongly supports the cryptograph

    綜合來看, bb84 +量子密鑰分配方案並不是一個理論上無條件絕對安全的方案,他在安全性能上的降低得到的代價卻是效率的極大提高,並且此方案在身份認證和其他環節上對其有所降低的安全性能作了保密加強的工作。
  12. 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。
  13. In chapter four, using the quantum statistics method we study the cohesion of a metallic nanowire irradiated under electromagnetic wave based on the results in chapter three. we obtain that the cohesion force is effected notably only when the frequency of electromagnetic field is at the vicinity of the energy span of the lateral levels of the nanowire

    第四章以第三章的工作為基礎,用量子統計的方法,分析了太赫茲電磁波部分輻照對金屬納米線內聚力的影響,得到了只有當外場頻率與橫向模式共振時內聚力才有顯著變化的結論。
  14. 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。
  15. Lastly, it is the material of ampli fier part of system that contains the high - o rder dispersion. excepting mentioned above, on the research of quantum optics field, a new model of mu1ti - mode superposition 1 ight field which is made of two quantum stat es is constrricted and studied in detail lising the theory of multi - mode squeezed stat e, and some important results are attained

    另外,在量子光學范疇的研究工作中,構造了一種新型的兩態疊加多模疊加態光場,應用多模輻射場的廣義非線性等階高階壓縮理論對其進行研究,並得出了一系列有意義的結論。
  16. We call the new quantum phenomenon that ca n ' t be explained by classical theory non - classical feature of cavity field. it has been proved by experiment, that quantum states of cavity field can exhibit three non - classical features, i. e. photon antibunching effect, sub - poissonian statistics distribution, and squeezed states

    在光場與原子相互作用的過程中會出現某些不能為經典理論所解釋的新的量子現象,人們統稱這些現象為光場的非經典效應,目前實驗上所觀測到的非經典現象有光子的反聚束效應、亞泊松分佈和光場的壓縮效應。
  17. 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。
  18. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    )的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。
  19. 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。
  20. A centry ago, einstein published seccesively 5 theses on respectively quantum theory, special theory of relativity, brownian movement, etc, creating miracle in the field of pgysics and gave physics a brand new look

    一百年前, 26歲的愛因斯坦相繼發表了有關量子理論、狹義相對論和布朗運動等5篇論文,創造了物理學的奇跡,從根本上刷新了物理學的面貌。
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