squeezed state 中文意思是什麼

squeezed state 解釋
壓縮態
  • state : n 1 〈常作 S 〉國，國家；〈通例作 S 〉（美國、澳洲的）州；〈the States〉 美國。2 國務，政權，政府...
  1. 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（
  2. 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。
  3. 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。
  4. Secretary of state condoleezza rice squeezed in ( ) some ice time while in russia

    美國國務卿賴斯在訪俄期間忙裡偷閑去觀看溜冰。
  5. 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。
  6. Quantum nonlocality and entanglement for a two - mode squeezed vacuum state in a phase damping channel

    雙模真空壓縮態在相阻尼情況下的量子糾纏與非定域性
  7. 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。
  8. We give three kinds of bounds for the entanglement of quantum gaussian mixed state. to verify that if they are too loose bounds we use a two parameters quantum gaussian state called squeezed thermal state and calculated all this bounds and moreover the coherent information of the state for comparison

    給出量子高斯混合態的三種界限，用只有兩個參數的叫做壓縮熱態的量子高斯態來檢驗它們是否是較好的上下限，同時計算了態的相干信息以作比較。
  9. Abstract : starting from the equation of motion of a non - dissipative mesoscopic circuit with inductance coupling ， the quantum fluctuations of charge and current in the eigenstates of the system and the squeezed vacuum state are investigated. the results show that the quantum fluctuations of the charge and current exist in all of the states. the fluctuations in each component circuit are connected

    文摘:本文從無耗散的電感耦合電路的經典運動方程出發，分別研究了這一耦合電路在其任意的本徵態下和壓縮真空態下電路中電荷、電流的量子漲落，其結果表明，每個迴路中的電荷、電流都存在著量子漲落，且兩迴路中的量子噪音是相互關聯的
  10. The state function for the interaction of a a - type three - level atom with two - mode squeezing vacuum field is derived in the paper. the influences of detuning 8 and initial squeezed light - field factor r on the cauchy - schwartz inequality, light squeezing and nonclassical properties are investigated

    本文還導出了雙模壓縮真空場與型三能級原子非共振相互作用系統的態函數，研究了場模失諧量和場的初始壓縮因子r對原子布居概率、光場壓縮和非經典特性的影響。
  11. The results indicate that the value of squeezed component of the atomic dipole, squeezed frequency, amplitude and squeezed direction of the atomic information entropy ca be controlled by choosing the atomic initial state, the velocity of atomic motion, the field structure and the squeezing factor of field and the squeezing phase angle of the field, respectively

    結果表明，通過選擇原子初態，原子運動速度、場模結構，場壓縮因子和場壓縮相位角可以分別控制原子信息熵壓縮的偶極矩分量值、壓縮頻率、壓縮幅度和壓縮方向。
  12. We first introduced the development and the theory of the squeezed state in the field and the atom

    系統地評述了光場和原子壓縮態的發展歷程及壓縮效應基本理論。
  13. 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
  14. We study holevo capacity of a single mode squeezed channel, derive the main formulus for computing the capacity. the result suggests that in many case the capacity is achived when the input is a squeezed state

    對熱噪聲通道，表明了容量在輸入信號為熱噪聲信號時達到，壓縮態無助於達到通道容量；而對于壓縮通道，容量一般在輸入壓縮態時達到。
  15. 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。
  16. In the context of quantized electromagnetic fields, it seems natural to also investigate the spatial properties of the field if the harmonic oscillators associated with the normal modes of the system are prepared in squeezed states. in 1975, two japanese scientists claims the thermal field dynamics theory, which can make a thermal mechanics statistical state equal to a pure state

    將熱力學統計狀態中等效成一個純態來研究，是1975年日本的兩位科學家takahashi和umezawa在他們的熱場動力學理論（ thermalfielddynamicstheory ）中所提出的。
  17. By utilizing the multimode squeezed states theory established by yang zhiyong and hou xun and published in acta photonica sinica, the properties of generalized nonlinear equal - power n - th power y - squeezing and n - th power h - squeezing of the state, and the properties of generalized nonlinear unequal - power nj - th power y - squeezing and n j - th power h - squeezing of the state are studied firstly and systematically ; meanwhile the properties of generalized nonlinear equal - power n - th power y - squeezing and n - th power h - squeezing of the state are further studied firstly and systematically

    利用多模壓縮態理論，詳細研究了態| _ 5 ~ （ （ 3 ） ） _ q的廣義非線性等冪次n次方y壓縮、等冪次n次方h壓縮、不等冪次n _ j次方y壓縮以及不等冪次n _ j次方h壓縮特性；同時，還進一步詳細研究了態| ~ （ （ 4 ） ） _ q的廣義非線性等冪次n次方y壓縮和等冪次n次方h壓縮特性。
  18. Squeezing effect of a moving atom interacting with a squeezed vacuum state field

    與壓縮真空態場相互作用的運動原子的持續壓縮效應
  19. If we can prepare a mode of the electromagnetic field in an appropriately squeezed state, it will allow one to tune the signal - noise ratios of its quadrature components : one of the quadratures can be used to absorb the inevitable quantum - mechanical " noise ", while the other one serves to transmit an extremely well - defined signal

    如果將電磁場的某一個模式制備在壓縮態，那麼就可以調節信噪比，使得一個正交分量可以用來吸收不可避免的量子力學噪聲，另一個正交分量用來很好的傳遞信號。那麼在量子電磁場中當系統的一些模式被制備在壓縮態時，就很有必要研究場的腔性質了。
  20. Under an appropriate condition, the squeezed vacuum field can trap the two atoms in ri ). an analytical expression of emission spectrum for three - level atom interacted with two - mode cavity field is given. the effects of the initial state of system on the emission spectrum for three - level atom are explored

    我們給出了好腔中與雙模腔場相互作用的三能級原子發射譜的一般表達式，探討了系統初態對三能級原子發射譜的影響，闡明了只有原子和雙模驅動場初始時刻均處于相干疊加態，原子不同躍遷通道間的量子干涉才使得原子發射譜呈現相位敏感性。
分享友人
分享到 Line

分享到臉書