糾纏度量 的英文怎麼說

中文拼音 [jiūchándùliáng]
糾纏度量 英文
entanglement measure
  • 糾 : Ⅰ動詞1. （纏繞） entangle 2. （集合） gather together 3. （糾正） correct; rectify Ⅱ名詞（姓氏） a surname
  • 纏 : Ⅰ動詞1. （纏繞） twine; wind 2. （糾纏） tangle; tie up; pester 3. [方言] （應付） deal with Ⅱ名詞（姓氏） a surname
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 糾纏 : 1. （纏繞在一起, 難解難分） tangle; foul; twist; get entangled; be in a tangle 2. （煩憂） nag; worry; pester
  • 度量 : 1. （計量長短） measure; metric; mensuration 2. （寬容人的限度） tolerance; magnanimity
  1. 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。
  2. When the nopa was operated at amplification, the epr states with amplitude - quadrature correlation and phase - quadrature anticorrelation were generated firstly in 1999. the product of the amplitude and phase quadrature correlation degrees was 0. 727 0. 004 < 1 ; after the laser source was reconstructed, the epr beams with amplitude - quadrature anticorrelation and phase quadrature correlation were obtained in 2001 and the product of the correlation degrees was 0. 332 0. 003 when the nopa was operated at deamplification. 2

    參量放大過程產生的糾纏光束具有正交振幅正關聯、正交位相反關聯的特性，乘積關聯度為0 . 727 0 . 004 1 ；改進光源后，利用參量反放大（ deamplification ）過程產生了正交振幅反關聯、正交位相正關聯的明亮epr糾纏光束，乘積關聯度達到0 . 332 0 . 003 1 。
  3. The main content of this dissertation is as follows : this dissertation introduces in details the basic conditions that bipartite entanglement measure should satisfy and the five entanglement measure, von neumann entropy, formation of entanglement, distillation of entanglement, relative entropy of entanglement and entanglement monotone. this dissertation presents that for a class of states, their relative entropy can be calculated analytically

    主要內容包括：詳細闡述了兩體糾纏度量須滿足的基本條件，以及五種基本糾纏度量： vonneumann熵、結構糾纏、提取糾纏、相對熵糾纏和糾纏單調，給出了一類態相對熵糾纏的解析計算公式。
  4. In this thesis we discuss these three aspects in detail and our main research work is outlined as follows : in section 2 we first give a definition of entanglement and illustrate some distinctive qualities of entangled states, then explain how to describe entanglement of multi - particle quantum state. in section 3 we show many existing different schemes for preparation of entangled states by spontaneous parametric down conversation, cavity quantum electrodynamics and iron traps, moreover we present new schemes to prepare multi - atom entangled states as well as multi - cavity entangled states

    在第二章中我們將給出糾纏態的定義和度量，研究糾纏態的一些特性，第三章中我們將系統介紹目前理論上利用自發參量下轉換，通過腔量子電動力學和離子阱制備糾纏態的各種方案，以及在實驗上的進展，並在論文中重點提出了利用原子和腔場相互作用來制備多原子糾纏態和多腔場糾纏態的方案。
  5. It is shown that the quantum entanglement state will stay in the maximally entangled state for a long time when the detuning is equal to rabi frequency

    研究結果表明：在失諧量等於拉比頻率時，該體系的糾纏度將長時間處于最大糾纏態。
  6. This dissertation does a research in the measure of quantum entanglement, its property and entanglement transformation

    本文圍繞量子糾纏的度量、性質和糾纏的轉換進行了研究。
  7. In terms of the measure of entanglement called " negativity ", the thermal entanglement in a two - qubit spin - 1 system with two spins coupled by exchange interaction is investigated, we find that there is a segment for j in which the entanglement is zero, moreover the segment increases with t, this is different from the cases of the spin - 1 / 2

    應用糾纏度對高維度系統的度量方法- - - 「 negativity 」 ，我們研究了自旋等於1的兩量子比特系統的熱糾纏，我們還發現在耦合常數一般區域糾纏度為零，這個結論和自旋等於1 2的情況是不同的。
  8. In this paper, study the thermal entanglement of a two - qubit xyz heisenberg model, and show the influences for the concurrence of this system in terms of the parameters of the hamiltonian and t

    摘要研究兩粒子的xyz海森伯模型的熱糾纏態，並討論了這個系統哈密頓量中的參數和溫度對糾纏度的影響。
  9. Secondly, the influence of temperature and the number of qubits to the entanglement is discussed in the frame work of quantum heisenberg xx model., the results show that the parity of the number of the qubit has the great influence to the properties of the entanglement. for the odd qubit system, the entanglement does n ' t exist in the anti - ferromagnetic region, and the critical temperature increases with the increase of the numbers

    其次，以heisenbergxx鏈為模型，研究了多體情況下溫度和量子位數對糾纏的影響，結果表明，量子位數的奇偶性對糾纏的性質有顯著的影響，奇量子位系統在反鐵磁區不存在對糾纏，且糾纏的臨界溫度隨著量子位數的增加而升高；偶量子位系統在鐵磁區和反鐵磁區均存在對糾纏，而且糾纏的臨界溫度隨著位數的增加而降低。
  10. Utilizing entanglement, we can implement the disembodied transport of an unknown quantum state from one place to another remote place with high - fidelity, i. e. quantum teleportation. via entanglement, we can also improve the channel capacity of classical signal in quantum channel, i. e. quantum dense coding, even we can entangle two quantum systems that have never directly interacted with each other by means of entanglement swapping

    利用量子糾纏，通訊雙方可以實現對一個量子態的高保真度遠程傳輸，即量子離物傳態；利用量子糾纏，通訊雙方可以實現經典信息的高通道容量傳輸，即量子密集編碼；甚至可以使原本不糾纏的量子系統產生糾纏，即糾纏交換。
  11. This dissertation proves that formation of entanglement is smaller than mutual information. as a by - product, this dissertation also proves that there does not exist this kind of quantum state whose nearest separable state is the product of its two reduced density matrices except the state whose classical correlation is zero

    證明了結構糾纏小於互信息，同時證明了對于任意的量子態（除了經典關聯為0的態） ，它的兩個約化密度矩陣的直積不可能為它的最近分離態。
  12. The property of the entanglement is also studied and it is demonstrated that the amount of entanglement oscillates with time - evolution periodically and is related with the coupling coefficient and detuning. the quantum state varies between disentangled state and entangled state

    具體研究這種糾纏態的性質得出，原子與場糾纏體系的糾纏度隨時間周期振蕩，並且和原子與場間的耦合系數及失諧程度有關，量子態在非糾纏態與糾纏態之間變化。
  13. 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。
  14. By means of the measure of entanglement called " concurrence ", we study the entanglement in heisenberg a single molecular magnets dimer v + with a strong magnetic field and find that thermal entanglement exits for both ferromagnetic ( fm ) and antiferromagnetic ( afm ) cases. in fm case entanglement vanishes for anisotropic parameter value = 0, while in afm case, entanglement exits in the whole region of anisotropic parameter 0 < < 1. an interesting conclusion is that the critical temperature is independent of the magnetic field

    應用糾纏的一種測量「 concurrence 」 ，對自旋二聚物v ~ （ 4 + ）在外加強磁場情況下的熱糾纏進行了研究，發現對于鐵磁和反鐵磁兩種情況，熱糾纏都存在；鐵磁情況下，在各向異性常數等於零的時候糾纏消失，而對于反鐵磁在整個各向異性常數變化范圍內糾纏都存在，有意思的是我們發現臨界溫度獨立於磁場b ，我們也研究了糾纏度隨各向異性常數、磁場和溫度的變化。
  15. The entanglement properties of a single - mode vacuum field interacting with a pair of atoms are investigated by using the quantum reduced entropy, and the influences of the atomic dipole - dipole interaction on the degree of the entanglement are discussed

    摘要用量子約化熵研究了單模真空場與雙原子相互作用的糾纏特性，討論了原子偶極偶極相互作用對其糾纏度的影響。
  16. We also study the interaction of two entangled two - energy - level atoms interacting with a single - mode and two - photon cavity field. the atom state is detected after exit from the cavity, and it is found that the nonclassical properties of the field states depend strongly on the entanglement degree between the two atoms

    還研究了一對糾纏的二能級原子之一與單模雙光子腔場的相互作用，當該原子離開腔場被選擇性測量時，發現場的非經典特性很大程度上取決于兩原子間的糾纏度。
  17. The effect of binomial light field and the degree of entanglement of the pair atoms on the fidelity is discussed by numerical method

    採用數值計算方法，討論了原子糾纏度、二項式光場參量和相互作用時間對保真度的影響。
  18. Entangement of quantum pure states

    量子純態的糾纏度
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