spin polarization 中文意思是什麼

spin polarization 解釋
自旋極化
  • spin : vt (spun 〈古語〉 span; spun;spinning)1 紡。2 使(陀螺等)旋轉;使(車輪)打空轉〈在冰上,沙中...
  • polarization : n. 1. 兩極分化。2. 【物、天】極化;極化強度。3. 【物理學】偏振(化)。
  1. While the spin angular momentum describes the intrinsic photon spin and corresponds to the optical polarization of light, the orbital angular momentum is associated with the transverse phase front of a light beam

    自旋角動量描述了光的內稟自旋性以及相應的光的偏振,而軌道角動量是和光束的橫向相前相聯系的。
  2. At the same time, on the basis of above results, the stability problem of the polarization of particle self - spin is discussed in irregular magnetic field of accelerator. the discovery that the low degree polarization system is very sensitive to the irregular magnetic field while the high degree polarization system is very stable is found. the irregular fluctuation of the vertical ponderance is complementary to that of the horizontal ponderance due to the self - spin conservation

    同時,在此基礎上,利用su ( 2 )代數動力學方程研究了加速器中帶自旋離子的極化對磁場的含時無規擾動的穩定性問題,發現:低度極化的系統對磁場無規擾動十分敏感,而高度極化的系統對磁場無規擾動十分穩定;自旋守恆導致自旋的縱向分量的無規漲落和橫向分量的無規漲落存在著互補性。
  3. The unpaired electrons in each compound are localized. their spin polarization dominated. because of the important of cyano - bridged compounds, we will study them in future

    考慮到氰根橋聯配合物的重要作用,在今後的研究中,我們將繼續深入研究各種氰根橋聯配合物的磁學性質。
  4. For experimental measurement. the spin density distributions are in detail discussed on the basis of mulliken population analysis, taking into account the coexistence of spin delocalization and spin polarization mechanisms. for

    密度泛函自旋密度自旋極化自旋離域分子磁性中圖分類號:
  5. The mram needs to be of a large magnetoresistance ( mr ) effect at room temperature and lower magnetic field, in order to demands of practical application. however, the large tunneling mr effect is strongly dependent upon electrode material, which is of high spin polarization

    採用高自旋極化率( p )的材料是產生大的隧穿磁電阻( tmr )效應的關鍵之一,而半金屬( half - metal )鐵磁材料的自旋極化率p理論上可達100 。
  6. These particles will aggregate into a certain structure when the applied field yields a critical value. the other is fabricated from " half - metallic " oxides, i. e., ferromagnetic oxides which are predicted theoretically to be completely spin - polarized and really found experimentally to have very high spin - polarization. when a magnetic field is applied to half - metallic granular systems, the resistance will drop rapid and dramatically, which is called the extrinsic magnetoresistance effects in half - metallic granular systems

    在磁性材料中,亦有由在理論上具有完全的自旋極化率、在實驗中也被證實具有高自旋極化率的一系列半金屬氧化物材料構成的多晶、粉末等顆粒體系,被發現能在外磁場下發生顯著的電阻下降,即半金屬氧化物顆粒體系中的外稟磁電阻效應。
  7. It is found that the current amplification coefficient strongly depends on the spin polarization of the electrons injected from the emitter to the base, the spin relaxation time and the width of the base

    自旋晶體管中的電流放大系數主要取決于注入基區的自旋極化電子的極化程度,基區中自旋的馳豫時間及基區的寬度。
  8. Similarly, the properties of a qubit are independent of its specific physical representation as the spin of an atomic nucleus, say, or the polarization of a photon of light

    同樣地,一個量子位元的性質也獨立於特定的物理表現系統,例如原子核的自旋態或光子的偏振。
  9. By magnetoelectric coupling, the application of an electric field or ferroelectric polarization can change one or more of the parameters governing the ma gnetic behavior of the system. correspondingly, being possible magnetostrictive effect or electron - phonon interaction, the fluctuation of spin ordering may lead to a dielectric anomaly and ferroelectric relaxation

    通過磁電耦合,鐵電有序或外電場可導致自旋的再分佈而改變系統的磁性性質,同樣由於自旋有序的漲落通過磁致伸縮或可能的電-聲子作用可導致鐵電弛豫或介電異常。
  10. The spin coefficients are determined in terms of the eigen - values of the invariant polarization operator

    結果表明,自旋系數可用恆定極化算符的本徵值確定。
  11. Tuning of the driving field thus provides a simple mechanism to localize or move spin polarization within an array of quantum dots by adjusting the tunnelling rate between adjacent dots

    通過對外驅動場的調控達到控制相鄰阱間隧穿的目的,可以成為電子自旋輸運或局域化的理論基礎。
  12. Fe _ 3o _ 4 is a kind of classic half - metallic material. it has the highest spin polarization about 84 % measured in room temperature and provides curie temperature with 858k. at present, the characteristics for single - crystalline fe _ 3o _ 4 films have been researched in detail but polycrystalline fe _ 3o _ 4 film is seldom researched

    四氧化三鐵( fe _ 3o _ 4 )是典型的半金屬材料,它是室溫測量條件下自旋極化率最高的半金屬材料,極化率高達84 % ,而且具有高達860k的居里溫度。
  13. In this paper, some basic concepts about polarization which are easily confused are demonstrated at first. then, the definition about polarization, the synthesis and decomposition about electromagnetic wave and the judgment about direction of polarization spin are introduced

    本文擬在闡明幾個有關極化的基本概念問題之後,介紹了電磁波的極化概念,電磁波的合成與分解,旋向的判定。
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