量子論場 的英文怎麼說
中文拼音 [liángzilúnchǎng]
量子論場
英文
quantized field theory-
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。However, the theory ignores the interaction between the electron and a quantized electromagnetic field.
不過,該理論忽略了電子與量子化的電磁場之間的相互作用。Conceptual system of the quantum field theory and realism
量子場論的概念體系與物理實在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Even into the mid nineteentwenties, in the formative years of quantum theory, fields and particles were envisioned as separate entities.
即使到了二十世紀二十年代中期,在量子理論形式的那些歲月里,場和粒子還是被當成分立的實體。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。During my phd study, our group completed the experimental and theoretical investigations on cv quantum dense coding, generation of multipartite entangled state of optical modes and controlled dense coding quantum communication. following five parts will be presented in this thesis : 1
我們利用連續光場的正交分量量子糾纏特性,進行了連續變量量子密集編碼,多組份糾纏態光場產生,受控密集編碼量子通訊等實驗與理論研究,主要內容如下: 1The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。Reveals the objective necessity of the sole existence of absolute reference system 0 : the effect of clock losing and ruler contracting of any material system in motion with respect to 0 is the objective real physical change ( the real effect ) of this material system in motion, and the physical time and space ( the effect of motion ) is the unity of opposites between the external form of relativity correctly described by the special theory of relativity and the absolute internal essence with the objective sole existence of 0 as the basic marking, points out the errors of the general theory of relativity from the results above and the basic facts of gravitational field, and expounds the gravitational field is a real - time hollow field of motion in essence, and the physical time and space is the unity of opposites between mutually perpendicular images of void and real time and space of 4 dimensions each, understanding the absolute essence of the lorenz effect or not is the demarcation line between new and old views of time and space, and sets forth the theoretical gist of the time and space views of unity of opposites and the internal unity among the macroscopic level and straight time and space, the bent time and space in gravitational field, and the superimposed time and space in guantum state
揭示了絕對參照系0唯一存在的客觀必然性:任何物系相對於0的「運動鐘慢、尺縮效應」 ,都是該運動物系客觀上具有蹬真正的物理變化( 「真實效應」 ) ;進而揭示了物理時空(運動效應)是具有狹義相對論所正確描述了的相對性外部形式和以0客觀上唯一存在為基本標志的絕對性內在本質的對立統一運用上述結果和引力場的基本事實,論證了廣義相對論的錯誤;闡明了引力場本質上是一種實時虛空運動場;揭示了物理時空是互為正交映象的虛實各四維時空的對立統一闡明了對洛侖茲效應絕對性本質的認識與否,是新舊時空觀的分水嶺;闡明了對立統一時空觀的理論梗要和宏觀平直時空、引力場彎曲時空與量子態卷迭時空之間的內在統一性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。In the first part of the text, this paper shows that schrodinger insisted on classical realism ' s frame in 1926 through the analysis of the relation of schrodinger ' s wave mechanics and classical realism, and that he thought that the real reality is the function that depends on the wave equation, and that the particles " concept is only a uncontinuous component of - function ' s quantum
文章共分三個部分:第一部分分析了薛定諤的波動力學與經典實在論的關系,闡明了薛定諤在1926年所堅持的經典實在觀的理論框架,他認為:由波動方程來支配的那個場就是終極的實在;粒子概念不過是由場的『量子化』所引入的那種不連續要素的一個名稱而已。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。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。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。Through charoma theory and metal - bearing ores " color index analysis, the color of the turquoise is quantitated. crystal field spectra of cu2 + ion have been analysed and compared with the oretical calculations, the results show that the basic color of turquoise ( azure ) is related to the existence of cu2 + octahedron. in this charpter, quantum mineralogy theory is used in quantity
通過吸收光譜實驗,利用量子礦物學的有關知識,對綠松石中銅離子的晶體場譜進行了計算,並利用晶體場理論解釋了綠松石吸收光譜,揭示了綠松石顏色形成的主要原因是聯系著晶體場譜的顏色:過渡金屬銅離子對綠松石的顏色起主要作用? ?決定了綠松石的基本色調(天藍色) 。In this thesis, we studied the effects of the initial field state and thermal environment on quantum nonlocality and purity in atom - field system, in which the field initially in the squeezed vacuum state and in the squeezed coherent state are considered respectively
本文研究了光場初態和熱庫性質對原子?場耦合系統量子非局域性的影響,分別討論了腔場初始處于壓縮真空態和壓縮相干態兩種情形。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。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。By following approach of haken who quantizes the light field and making use of the quantisation of the electromagnetic field, this paper quantizes the electron wave field and derives the hamilonian of interation between the radiation field and the electron wave field
摘要仿照霍金對光場進行量子化的方法和電磁場的量子化理論,本文對電子波場進行了量子化,推導出了輻射場與電子波場相互作用的哈密頓量。分享友人