虛光子場 的英文怎麼說
中文拼音 [xūguāngzichǎng]
虛光子場
英文
virtual photon field- 虛 : Ⅰ名詞1 (空虛) void; emptiness 2 (政治思想等方面的道理) guiding principles; theory 3 (二十八...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 場 : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
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The 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。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。Therefore, the waveguide optical modes in the semiconductor lasers with different waveguide structures are investigated by means of optical waveguide theory. with the development of fabrication and packaging techniques, the dimensions of optoelectronic and photonic systems have become smaller and smaller. the far - field radiation models are no longer suitable for the near - field distribution of semiconductor lasers
隨著製作工藝和封裝技術的發展,光電系統和光子系統的尺寸越來越小,半導體激光輻射的遠場模型不再適合其近場特性的分析;而且,半導體激光器可以作為近場虛擬光探針,應用於近場光學高密度存儲、納米光刻、近場光學成像以及光譜探測等領域。According to the linear superposition principle of quantum mechanics in this thesis, it is constructed the kind ( ii ) of multi - mode superposition state of differ - intensity of nonsymmetry state superposition state with distinguishable two quantum states light field composed of the linear superposition of multi - mode complex conjugation coherent state of contrary state and multi - mode imaginary conjugation coherent state of contrary state. by utilizing the theory of multi - mode squeezed states
本文根據量子力學中的線性疊加原理,構造了由多模( q模)復共軛相干態的相反態和多模虛共軛相干態的相反態這兩者的線性疊加所組成的第種強度不等的非對稱兩態疊加多模疊加態光場,利用多模壓縮態理論,對態。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。In moscow as soon as he entered his huge house in which the faded and fading princesses still lived, with its enormous retinue ; as soon as, driving through the town, he saw the iberian shrine with innumerable tapers burning before the golden covers of the icons, the kremlin square with its snow undisturbed by vehicles, the sleigh drivers and hovels of the sivtsev vrazhok, those old moscovites who desired nothing, hurried nowhere, and were ending their days leisurely ; when he saw those old moscow ladies, the moscow balls, and the english club, he felt himself at home in a quiet haven
在莫斯科,他一走進他那棟高古的住宅(它裏面住著已經憔悴和正在憔悴的公爵小姐及許多家僕)的時候,在他駛過全城,剛剛看見那金鏤袈裟前面的無數燭光的伊韋爾小教堂,看見那積雪未被車子壓臟的克里姆林廣場,看見西夫采夫?弗拉若克貧民區的馬車夫和茅舍的時候,在他一看見那些無所希冀、足不出戶地虛度殘生的莫斯科老人的時候,在他一看見那些老太太,那些莫斯科的太太小姐、莫斯科的芭蕾舞和莫斯科的英國俱樂部的時候, ? ?他就覺得自己置身於家中,置身於平靜的安身之處。In moscow, as soon as he entered his huge house with the faded and fading princesses, his cousins, and the immense retinue of servants, as soon as, driving through the town, he saw the iversky chapel with the lights of innumerable candles before the golden setting of the madonna, the square of the kremlin with its untrodden snow, the sledge - drivers, and the hovels of sivtsev vrazhok ; saw the old moscow gentlemen quietly going on with their daily round, without hurry or desire of change ; saw the old moscow ladies, the moscow balls, and the english clubhe felt himself at home, in a quiet haven of rest
在莫斯科,他一走進他那棟高古的住宅它裏面住著已經憔悴和正在憔悴的公爵小姐及許多家僕的時候,在他駛過全城,剛剛看見那金鏤袈裟前面的無數燭光的伊韋爾小教堂,看見那積雪未被車子壓臟的克里姆林廣場,看見西夫采夫弗拉若克貧民區的馬車夫和茅舍的時候,在他一看見那些無所希冀足不出戶地虛度殘生的莫斯科老人的時候,在他一看見那些老太太,那些莫斯科的太太小姐莫斯科的芭蕾舞和莫斯科的英國俱樂部的時候,他就覺得自己置身於家中,置身於平靜的安身之處。The one - loop vacuum polarization is calculated for untwisted and twisted scalar fields in a flat space - time with the topology s1 r3. the effect of vacuum polarization upon photon propagation is considered. it is found that for the untwisted scalar field some photon modes acquire a positive topological mass, thus travelling at a subluminal speed ; but for the twisted scalar field some photon modes get an imaginary topological mass and travel at a superluminal speed
本文中我們首先計算了在拓撲結構為s ~ 1 r ~ 3的非minkowski時空中扭曲標量場和非扭曲標量場的真空極化,然後考慮了真空極化對光子傳播的影響,我們發現除了光子的極化方向和傳播方向都垂直於緊致化方向的情形之外,非扭曲標量場的真空極化使所有其他的光子模式都獲得實的拓撲質量從而導致這些光子以亞光速傳播;但是,扭曲標量場的真空極化使光子獲得虛的拓撲質量以致他們以超光速傳播。In this paper, the nonclassical properties of two two - level atoms interacting with a single mode light field is studied by means of the quantum theory without rotating wave approximation ; the influences of the yirtual photon process 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
本文利用全量子理論,研究了非旋波近似下「耦合雙原子-單模光場」相互作用過程中光場所表現出的非經典性質,研究了虛光子過程對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。The content of this dissertation includes following subjects : the ir imaging model of city buildings, the realist image synthesis between ir target and the ground background, the real time walkthrough for dynamic ir scene, a quantity optics based illumination model for ir image synthesis and the realistic fusion of multi - spectral images, etc. in chapter 1, we first introduce some primary knowledge, research contents, application domains and related research works about ir technology and infrared image synthesis
內容涉及以下幾個方面:城市建築物紅外成像模型、地面目標與背景的真實感紅外合成、動態紅外場景的實時生成、基於量子光學原理的紅外成像光照模型和多光譜融合真實感成像等。本文第一章介紹了紅外技術和紅外成像模擬技術的基本知識、研究內容、應用領域和國內外發展現況。指出利用計算機圖形學特別是虛擬現實的最新技術將是今後的發展方向。This paper discuss the key technologies of virtual manufacture, including the method and theory of the displaying of the 3d scene, polygonal mesh model, visual light model, collision checking, 3d geometry transform and the particle system
對虛擬製造的關鍵技術進行了討論,包括三維場景的顯示、多邊形網格模型、真實感光照模型、碰撞監測、三維幾何變換和粒子系統等。分享友人