量子纏結 的英文怎麼說
中文拼音 [liángzichánjiē]
量子纏結
英文
quantum entanglement-
What are the ramifications of quantum entanglement and coherency in computation
量子纏繞和共諧通過結算的結果是什麼?Experimental results of four - photon de broglie wavelength measurement are analyzed based on a local description for the quantum state and optical field of photon pairs generated from spontaneous parametric down - conversion ( spdc )
摘要採用對自發參量下轉換過程產生的光子對的量子態和光場的非糾纏態描述,分析了由自發參量下轉換過程產生的四光子的德布羅意波長測量的實驗,得到了與實驗觀測相一致的結果。Several new physics experiments in 1998 were performed and analyzed to showthe subtlety of quantum theory, including the “ wave - particle duality ” and the nonseparability of two - particle entangled s tate. here it is shown that the measurement is bound to change the object by dest roying the original quantum coherence between the object and its environment. so the “ physical reality ” should be defined at two levels, the “ thing in itself ” and the “ thing for us ”. the wave function in quantum mechanics is just playing the role for connecting the two levels of matter via the fictitious measurement
在1998年完成和分析的幾個新的物理實驗顯示了量子理論的微妙性,包括「波粒二重性」以及二粒子纏結態的不可分性.本文的分析表明:測量在破壞原來存在於客體及其環境間的量子相干性時必然要改變客體.因而「物理實在」應在兩個層次上定義: 「自在之物」與「為我之物」 .量子力學中的波函數則正起了通過「虛擬的測量」將這兩個層次的物質聯系起來的作用Abstract : several new physics experiments in 1998 were performed and analyzed to showthe subtlety of quantum theory, including the “ wave - particle duality ” and the nonseparability of two - particle entangled s tate. here it is shown that the measurement is bound to change the object by dest roying the original quantum coherence between the object and its environment. so the “ physical reality ” should be defined at two levels, the “ thing in itself ” and the “ thing for us ”. the wave function in quantum mechanics is just playing the role for connecting the two levels of matter via the fictitious measurement
文摘:在1998年完成和分析的幾個新的物理實驗顯示了量子理論的微妙性,包括「波粒二重性」以及二粒子纏結態的不可分性.本文的分析表明:測量在破壞原來存在於客體及其環境間的量子相干性時必然要改變客體.因而「物理實在」應在兩個層次上定義: 「自在之物」與「為我之物」 .量子力學中的波函數則正起了通過「虛擬的測量」將這兩個層次的物質聯系起來的作用The measurement erases the information from its original location, but because of entanglement, that information resides in an encoded form on the second particle, no matter how distant it may be
這個量測的動作會清除該處的資訊,但因纏結的緣故,不論粒子間的距離有多遙遠,該資訊會以密碼的形式儲存在第二個粒子上。We discuss the distillation of entanglement from finite copies of a mixed state
) n系統中量子態結構糾纏的下限。In practice, this dissertation focuses on the study of the aforementioned two problems, we have investigated and analyzed the controlling mechanism of the adiabatic conditional geometric quantum phase - shift gates for two - qubit, and realized the geometric quantum computation by making use of the nonadiabatic geometric phase of quantum states of the superconducting josephson junctions quantum interference device system. we have also discussed the accessible information of quantum signal resource ensemble, and studied the teleportation of an arbitrary d - dimensional tv - particle unknown state via a partially - entangled quantum channel ; this dissertation comes in four parts
實際上,我們在本文中就上述兩方面的問題作了一些探討:研究和分析了兩量子位絕熱條件幾何量子相移門的控制機制,利用超導約瑟夫森結量子器件系統的量子態的非絕熱幾何相位實現了幾何量子計算、討論了信源系綜的可接收信息問題以及任意d維n粒子未知量子態通過部分糾纏量子通道的隱態傳輸問題等。Quantum information science is a new subject combining quantum theory and information science. great progress has been made in quantum teleportation, description of quantum entanglement and classification of quantum states. according to this, the following work has been completed : ( 1 ) a scheme for teleporting an unknown n - dimensionni - particle state by making use of the maximum entangled state as quantum channel is proposed
量子信息學是量子力學理論和計算機理論相結合而產生的一門新的交叉學科,在量子隱形傳態、量子糾纏態的描述及量子態的分類等領域取得了重要進展,本文圍繞這幾個方面開展了如下研究工作: ( 1 )在文章的第二章研究了多能級多粒子量子態的傳輸。In the end, we summarize and forecast the development of the quantum " s entanglement
結束語對量子糾纏理論的發展做了系統總結,並對未來做出了一定的預測。Zimmermann ( who had also been a collaborator of h ? nsch before moving to t bingen ) has called it an entanglement of ideas, referring to the famous quantum - physics phenomenon
齊莫曼(在去杜賓根之前,也曾和赫恩希合作)借用一個著名的量子物理現象,說這種巧合是觀念上的纏結。It recasts particles as one - dimensional strings, or filaments of energy, which play around in tiny tangles of extra spatial dimensions
弦論將粒子視為一維的弦或是細絲狀的能量,並只活動在額外空間維度的微小纏結之中。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。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。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。The results show that we can acquire high fidelity exportation of the light field with selecting the parameters of entangled atom pair and binomial light field parameters, and function time of the light and atom
結果表明:選取恰當的初始原子糾纏參量和初始二項式光場參量,以及控制好相互作用時間,可以獲得光場的高保真輸出。The image of a tightly knotted coil of rope suddenly rises up to unwind itself in order to receive light and reinforce its own faith, to realize clearly that god s eternal love is everywhere, especially in places where human suffering is most prominent
一個緊緊纏結的繩子突然站起來,自動伸展開,迎接光亮並重建自己的信心和內在力量,清楚地看見上帝永恆的愛彰顯在每個角落,尤其在人類最痛苦最荊棘的地方。In this article, the following technology of the carbon fiber composite flywheel in the integrated energy - storage / attitude - control system are analyzed and the valuable achievements are achieved above the foundation of consulting a large quantity of literatures and investigation : 1. different technology method for carbon fiber composite flywheel are designed, aimed at the character of carbon fiber composite material and manufacture 2analyzes the stress of carbon fiber composite flywheels made by different technology method, hoop - winding method, symmetric ortho layers pressing method, multi - layer winding method and interference joining method, under high rotate speed, builds their static model ; and simulates their technology and shape parameter ' s affecting their stress level with i - deas f. e. m
本文在查閱了大量國內外相關文獻及調研的基礎上,針對集成化儲能/姿態控制飛輪系統中的碳纖維復合飛輪的以下相關技術進行了研究,並取得了有價值的成果: 1針對碳纖維復合材料的特點及加工方式,設計了周向纏繞成型法、對稱正交鋪層層壓法、多層結構纏繞及過盈連接法等不同工藝方式的碳纖維復合飛輪轉子; 2針對不同工藝方式的碳纖維復合飛輪轉子,進行了高速旋轉狀態下的應力分析,建立了靜力學解析模型,並結合i - deas有限元分析軟體模擬模擬了不同工藝方式的碳纖維復合飛輪轉子的相關幾何參數及工藝參數對其應力水平的影響; 3分享友人