coherent state 中文意思是什麼
coherent state
解釋
接合狀態-
In this thesis, we investigates the bremsstrahlung processes in thermal qed and its relation with coherent state
本文考察了熱qed中的韌致輻射以及它與相干態之間的聯系。 -
The channel capacity achieved in our experiments was better than that of the dual homodyne coherent state, homodyne coherent state and squeezed state communication when the average photon number exceed 0. 99, 1. 11 and 2. 06 respectively. it is more interesting that we found in the experiment, that the maximum channel capacity for a single mode - fock state communication can be surpassed with our system when the average photon number exceed 11. 302
我們實驗所得密集編碼的通道容量在光子數大於0 . 99 、 1 . 11及2 . 06時將分別超過相干態雙零差通訊通道容量、相干態零差通訊的通道容量以及壓縮態零差通訊的通道容量；最重要的是，當平均光子數（ -
Teleportation of a tripartite entangled coherent state
三粒子糾纏相干態的隱形傳態 -
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。 -
In the framework of thermofied dynamics it is shown that, at finite temperature the final state in the bremsstrahlung process is just the eigenstate of the annihilation thermal - field operator which indicates that it is a coherent state
運用熱場動力學的相關知識，我們發現有限溫度下的韌致輻射的末態恰好是熱場湮滅算符的本徵態，從而說明熱qed下的韌致輻射是一個相干態。 -
Generally, the electron and photons become entangled as the electronic wave packet evolves. if initial photon state is a coherent state and we neglected the transferred photons then the quantized - field calculation is equivalent to the semiclassical calculation
當初始光子態是相干態，且忽略轉移的光子數時，電子與量子場系統之間不存在相關性，這種情況下量子場計算與半經典計算等價；當初始光子態是f 。 -
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。 -
The quantum fluctuation in a squeezed state can be less than that in a coherent state. so it is possible that the squeezed states can be play a most important role in quantum communication, quantum calculation and quantum measurements and so on
壓縮態中的量子漲落可以小於相干態中的量子漲落，因此可望在未來的量子通信、量子計算、量子測量等信息科學中發揮著重要的作用。 -
Quantum statistic properties of the orthogonal 0. 3cm q - coherent state
相干態的量子統計性質 -
As a primary work for reconstructing wigner function of single photon state, we reconstruct wigner function of vacuum and coherent state. the effect of kc and the number of the data is discussed in the process of reconstruction
作為重構單光子wigner函數的實驗準備，重構出連續光真空態和相干態的wigner函數，並考慮了kc值和實驗採集的數據點數量對實驗結果的影響。 -
At the same time, the coordinate representation also can be exploited in calculating thermal non - classical states recently, such as coherent state. basing on the correlative theory, and within the framework tfd, we calculate rindler oscillator ' s information - entropy in the coordinate representation, and discuss the relation of its general uncertainty relationship and information - entropy, especially the relation of its thermal fluctuation and information - entropy
在相關理論的基礎上，本文一方面利用熱場動力學，在坐標表象下計算出了與一維rindler諧振子的位子和動量有關的信息熵，並給出了信息熵與一維rindler諧振子的廣義測不準關系，特別是與熱擾動之間的聯系。 -
The coherent state is represented by a minimum uncertainty wave packet, the quantum correlation in these state is absent, so that it behaves as a quasi - classical state. it is such a property that leads to the results coincide completely with those obtained in semiclassical approximation
正是因為相干態是一個量子力學允許的最小的測不準波包，沒有任何量子關聯，可以看作是一個準經典態，才導致了完全量子場論和半經典近似下理論結果的完全一致性。 -
In this paper we turn out the coherent - state expression of energy - momentum stress tensor in two dimensional schwarzschild black holes. the results have been discussed as well
討論了一個二維黑洞的能量應力張量的相干態表示，並將這樣得到的結果與已有的結果進行比較和討論。 -
One way around this is to set up the database state to a known, coherent state before running each test
一種避免這種情況的方法是在每次測試之前將數據庫狀態設為一個已知的相關狀態。 -
In particular, squeezing effects, due to the quantum fluctuation of one quadrature phase smaller than that in coherent state, can be used in optical communication and other fields
特別是具有壓縮效應的量子態，由於在壓縮態中光場振幅的量子漲落小於相干態相應的量子漲落，使得它在光通訊等領域有著廣闊的應用前景。 -
Entropy evolution of the field in the system of two coupling two - level - atoms interacting with coherent state field
耦合二能級原子與光場相互作用系統中場熵的演化 -
Quantum field - entropy evolution properties in system of coupled two - level atoms interacting with a single - mode odd - coherent state light field
二項式光場與級聯型三能級原子相互作用的場熵演化特性 -
Abstract : the property in evolution of the interaction between coherent state, squeezed state and a two - level atom is discussed in the paper. some practical squeezing in the evolution is given
文摘:本文著重討論了在相干態、壓縮態光場與二能級原子的相互作用中某些物理量的演化特性.並找出了幾種具有實際意義的壓縮效應的演化過程 -
Teleportation of a three - bit unknown atomic state through the raman interaction of v - type three - level atom with a coherent state cavity - field
型三能級原子與相干態腔場的拉曼相互作用來傳送三比特的未知原子態 -
This dissertation is organized as follows. in chapter one, firstly we review the development of quantum optics, pointing out three features of quantum optics : coherence, nonlinearity, and quantity, next something of quantum entanglement is discussed, including the conception of entangled state and definition of the degree of the entanglement, at last, the j - c model of the interaction between the atoms and the optical fields. in chapter two, we introduce the concepts and properties of coherent state and shrodinger - cat state
本文首先回顧了量子光學的發展歷史，著重指出了量子光學的三個顯著特徵，即相干性、非線性和量子性，然後討論了量子糾纏方面的內容，包括糾纏態的概念及其度量? ?糾纏度等，最後闡述了原子與光場相互作用的理論模型j - c模型；第二章介紹了相干態和貓態的概念及性質；第三章的內容是兩糾纏原子與光場相互作用過程中光場的壓縮效應。
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