spin state 中文意思是什麼
spin state
解釋
自旋態-
Taking several different spin - state q for examples, we demonstrate the evolving pictures which are straightly made by numerical solutions of the magnetization and the equal time spin - pair correlation and the relaxation functions
以q = 2 ， 3 ， 4 ， 5 ， 8為例，我們對磁化強度和等時自旋對關聯時間演化方程做了數值計算。 -
In consideration of the calculation measures and the purpose of study, we selected the simple molecule model 5 in the above models and studied the relation between magnetism and structure. the molecular antiferromagnetism increases with the increasing of the bridging angle o - c - o ( o ). when 0 > 118. 623 degrees, the molecular antiferromagnetism increases with the decreasing of the spin density on the cu in its triplet state
考慮到計算量及研究目的，在上面的模型中選取了較簡單的分子模型5 ，來研究其磁構效關系，分子的反鐵磁性隨橋聯角o - c - o夾角的增大而增強，在大於118 . 623度時，分子的反鐵磁性隨三重態銅上自旋密度的減小而增強，但當小於118 . 623度，分子反鐵磁性隨三重態銅上自旋密度的減小反而減小，在文中，我們解釋了這種現象。 -
In the third chapter, the effects on the properties of ground state of spin = 1 anti - ferromagnetic single chain, from dimerization, exchange anisotropy and single - ion anisotropy, are investigated
第三章中，我們研究二聚化、交換各向異性j _ z 、和單離子各向異性d對一維自旋s = 1的反鐵磁單鏈基態性質的影響。 -
A gateable ferromagnet could in turn be used as a spin filter ? a device that, when switched on, passes one spin state but impedes the other
可閘化鐵磁體可用來作為自旋過濾器? ?打開過濾器后，只有某一自旋方向的電子可以通過，反方向自旋的電子則受阻。 -
Firstly the binding energies and the ground state energies of hydrogen impurity in a lens - shaped quantum dot ( gaas / inl - xgaxas ) under vertical magnetic field will be displayed. then how to use the nuclear spin as the quantum bit will be given
首先研究了垂直磁場下透鏡型量子點（ gaas / in1 - xgaxas ）摻入類氫雜質后基態能和結合能，然後討論了如何利用量子點中雜質核自旋構造量子位。 -
It is the main purpose of this paper to calculate the energy splitting of ground state and excited states induced by thermally assisted quantum tunneling. first, a brief introduction is given for the theoretical and experimental studies on the magnetic macroscopic quantum effects. then, spin tunneling in a uniaxial ferromagnetic particle in transverse magnetic field is converted to a pseudoparticle moving in effective double - well potential with the help of the effective potential description of quantum spin systems developed by ulyanov and zaslavskii. finally using the periodic instanton method we evaluate the transition amplitude, energy shift and prefactor of wkb exponential and the energy splitting of ground state and the tunneling rate for excited states induced by thermally assisted quantum tunneling are obtained
文章首先對磁性宏觀量子效應的理論和實驗方面作了簡單介紹，然後藉助于ulyanov和zaslavskii發展的一種等效勢描述方法，把外磁場沿難磁化軸方向時的自旋隧穿約化成在等效雙勢阱中運動的粒子，利用瞬子方法給出基態能級劈裂，最後利用周期瞬子方法分別計算了隧穿幅、能級移動以及wkb前因子，從而給出由於熱助量子隧穿引起的激發態的隧穿率。 -
Based on a magnetic field controlled electron spin quantum system, utilizing the mechanism of realizing the unitary evolution of the quantum state through the quantum gate, an optimal control strategy to prepare an arbitrary quantum state is proposed
摘要針對以磁場為控制場的電子自旋量子比特系統，結合量子門實現量子態么正演化的量子態調控機制，提出了一種量子比特系統任意量子態的最優制備策略。 -
Design and synthesis of high spin ground state molecules is an important content in the research of molecular magnetism
多核配合物高自旋基態分子的設計和合成是分子磁學的一項重要研究內容。 -
In order to obtain molecule - based magnets, the first important step is to synthesize molecular entities with a large spin in the ground state
作者結合本課題組的工作，總結了合成高自旋基態分子的幾種重要模型，包括磁軌道正交、自旋極化、非正規自旋態及自旋失措模型。 -
In this paper, the application of spin chain in the quantum information processing is introduced, including the application in quantum cryptography, teleportation and quantum computation. spin chain can be used as quantum channel to transport quantum state, and can also be used to realize general quantum gate
介紹了自旋鏈在量子信息過程中的應用，包括在量子密碼和隱形傳輸中以及量子計算中的應用，自旋鏈可以充當量子通道用來傳輸量子態，自旋鏈也可以用來實現量子通用門。 -
And then, we specially study the effect of spin interaction ' s anisotropy on the critical temperature tc. from what we have observed we suggest that the critical temperatur tc grows as the anisotropy intensifies, while the system magnetization becomes weaker. the system becomes id if the anisotropy ratio r goes to infinity, and its equilibrium state keeps zero magnetization at any finite temperature, which confirm that there is no observable transition for id system
其後，著重研究了自旋相互作用的各向異性程度r對其臨界溫度t _ c的影響，總結出：隨著系統各向異性程度的增強，系統的臨界溫度向高溫轉移，而系統的磁化強度在不斷的減弱；當r趨近於無窮大時，系統演變為一維系統，系統在任何有限溫度下達到的平衡態始終保持磁化強度為零，這也證實了一維系統不發生相變 -
Measurement of the nuclear spin state in kane ' s solid - state quantum computer
固體量子計算機中核自旋讀出 -
The concept of symmetry plan of electron spin space was put forward in this paper. the problems on eigen state of electron spin and average value of spin angular momentum projection and also on the problem of phase factor of the spin - state were analyzed and discussed
本文提出了電子自旋空間的對稱面概念，分析了電子自旋的本徵態以及電子自旋角動量分量的平均值的問題，並討論了自旋態的相因子問題。 -
But when0 < l 18. 623 degrees, the molecular magnetism decreases with the decreasing of the spin density on cu in its triplet state. in the thesis, we explained this phenomenon. moreover, we also studied the relations between the j and ( e, - e2 ) 2
另外，我們還揭示了j三重態兩個成單電子所在的分子軌道能量差的平方（ _ 1 - _ 2 ） ~ 2之間的變化關系。 -
The photo - induced phase transition of the different light intensities, photo - energies and directions of the polarized light is investigated. it suggested that the photo excites the down spin eg electrons and destroys the spin order system of the thin films. the relation between the he - ne laser reflectivity of the thin film, applied current and resistance was analyzed by the optics theory of solid state physics
光子通過激發e _ g向下電子的躍遷，從而改變材料自旋極化方向，影響體系的輸運行為；首次研究了cmr薄膜的激光反射率和偏置電流的關系，並用固體光學理論對其定性分析，表明反射率的變化是由於電場引起材料的晶格畸變，改變了極化率，從而導致材料的折射率和反射率發生改變。 -
Gets a visual style element that represents a right - pointing spin button arrow in the hot state
獲取處于熱狀態的向右數值調節鈕箭頭的視覺樣式元素。 -
Gets a visual style element that represents a downward - pointing spin button arrow in the hot state
獲取處于熱狀態的向下數值調節鈕箭頭的視覺樣式元素。 -
Gets a visual style element that represents a left - pointing spin button arrow in the hot state
獲取表示處于熱狀態的向左數值調節鈕箭頭的視覺樣式元素。 -
A key research question for this second category of spintronics is how well electrons can maintain a specific spin state when traveling through a semiconductor or crossing from one material to another
當電子通過半導體，或在不同物質間傳導時，如何保持特定的自旋態，則是第二類自旋電子學研究中的關鍵問題。 -
Spin state oscillations in a two - electron quantum dot under a magnetic field
磁場下量子點中二電子系統的自旋振蕩
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