quantum tunneling 中文意思是什麼

quantum tunneling 解釋
【物理學】量子隧道貫穿〈指電子穿透勢壘的現象〉。

  • quantum : n. （pl. -ta ）1. 量，額；定量，定額；份；總量。2. 【物理學】量子。
  • tunneling : 管道傳送，隧道，管道傳輸
  1. Quantum radiation of dilaton - maxwell black hole as tunneling

    黑洞的量子隧穿輻射
  2. The hawking radiation of colored black hole as quantum tunneling

    通過量子隧穿研究帶色荷黑洞的霍金輻射
  3. Quantum tunneling of bose - einstein condensates in optical lattices

    愛因斯坦凝聚體在光勢阱中的量子隧穿
  4. Quantum tunneling and macroscopic quantum effects in molecular magnets

    分子磁體中的量子隧穿及宏觀量子效應
  5. Thermally assisted quantum tunneling in a uniaxial ferromagnetic particle in transverse magnetic field

    單軸鐵磁顆粒激發態的熱助量子隧穿
  6. Investigation on macroscopic quantum tunneling phenomena under the role of the rotating perturbations is made in the other part of the dissertation

    論文的另一部分工作討論有旋轉的微擾作用下的bec系統的宏觀量子隧穿現象。
  7. But there may be no practical way to make these insulating layers much thinner, because current flow by quantum tunneling makes them progressively worse insulators

    但不能讓絕緣層更薄了，因為量子穿隧電流會降低絕緣效果。
  8. By analysis and comparison of the results, we draw the conclusion as follows : firstly, the quantum tunneling effect is quite pronounced

    通過分析和比較計算結果，我們得到如下結論。第一，體系的能量-反應幾率變化曲線說明量子隧道效應顯著。
  9. Starting with the quantum age in 2018, earth scientists begin experimenting with " quantum tunneling, " which will transport living matter great distances

    故事開始於2018年的量子時代，地球的科學家開始試驗量子通道，一項技術可以將活質傳送到很遠很遠的敵方。
  10. Frequency characteristics and analysis of quantum resonant tunneling diodes

    量子共振隧穿二極體的頻率特性與分析
  11. Firstly, i provide a brief review of the previous achievements and investigations on the low - dimensional quantum devices and semiconductor superlattice, in which some principal theories such as bloch oscillations, wannier - stark ladder, zener tunneling and related progress in experiments are introduced

    首先綜述了過去三十年低維量子器件與半導體超晶格的發展與相關研究，介紹了bloch振蕩、 wannier - stark臺階、 zener隧穿等關鍵理論以及相關實驗方面的進展，並引入簡化模型：緊束縛模型與單帶模型。
  12. 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。
  13. Quantum capture is a complicated process and capture time computation and experiment test are provided. it is difficult to ascertain carrier ' s transportation and distribution in multiply quantum wels and tunneling time and heating emitting time computations are also provided. optical gain whose formula is complicated is a critical parameter and it is useful for structuring model to obtain a concise formula by means of experiment curve

    詳細說明了確定半導體激光器速率方程的一些重要參量的方法，如：載流子在三維sch區的輸運行為對激光器的調制特性有較大影響；量子阱對載流子的捕獲是一個復雜的過程，文中給出了量子捕獲時間的計算方法以及實驗證明；多量子阱中載流子輸運與分佈也是相當復雜的問題，文中給出了隧穿時間與熱發射時間的計算方法；光增益是關鍵的參量，它的解析式相當繁瑣，由實驗曲線擬合其較為簡明的經驗式，對定模工作是有利的。
  14. Tunneling time between two biased quantum wells

    耦合雙量子阱間的隧穿時間
  15. Theoretical study of tunneling effect in one - dimensional quantum sine - gordon model

    模型隧道效應的理論研究
  16. The wavelength of pump light in white light mode is 400nm. 2. the excitonic tunneling from cdznse qw to cdse quantum dots under resonant excitation was investigated using femtosecond pump - probe technology on the cdznse quantum well / cdse quantum dots structure

    用飛秒脈沖泵浦-探測方法研究了cdse量子點znse cdznse量子阱結構在對cdznse量子阱的激子共振激發條件下激子在量子阱與量子點之間的隧穿。
  17. We have investigated transport properties of electrons in magnetic quantum structures under an applied constant electric field. the transmission coefficient and current density have been calculated for electron tunneling through structures consisting of identical magnetic barriers and magnetic wells and structures consisting of unidentical magnetic barriers and magnetic wells. it is shown that the transmission coefficient of electrons in a wider nonresonance energy region is enhanced under an applied electric field. the resonance is suppressed for electron tunneling through double - barrier magnetic ( dbm ) structures arranged with identical magnetic barriers and magnetic wells. incomplete resonance at zero bias is changed to complete resonance at proper bias for electron tunneling through dbm structures arranged with different magnetic barriers and magnetic wells. the results also indicate that there exist negative conductivity and noticeable size effect in dbm structures

    對磁量子結構中電子在外加恆定電場下的輸運性質進行了研究.分別計算了電子隧穿相同磁壘磁阱和不同磁壘磁阱構成的兩種磁量子結構的傳輸概率和電流密度.計算結果表明，在相當寬廣的非共振電子入射能區，外加電場下電子的傳輸概率比無電場時增加.對于電子隧穿相同磁壘磁阱構成的雙磁壘結構，共振減弱；對于電子隧穿不同磁壘磁阱構成的雙磁壘結構，無電場作用時的非完全共振在適當的偏置電壓下轉化為完全共振，這時的電子可實現理想的共振隧穿.研究同時表明，磁量子結構中存在著顯著的量子尺寸效應和負微分電導
  18. Current flows through the device by the process of quantum tunneling : a small number of electrons manage to jump through the barrier even though they are forbidden to be in the insulator

    電子在元件中利用量子穿隧效應流動，少量的電子可穿過絕緣層的障礙到達另一邊。
  19. For the transition induced by the asymmetric perturbations is double - direction, the particle number in the core state is always less half of the total particle number. so, from the point of view of average over time, it is a coexisting state of rotating and without rotating that is formed. this state which is in the josephson tunneling regime of the macroscopic quantum tunneling is a quantum self - trapping state

    由於不對稱的微擾引起的躍遷是雙向的，使得核心態上的粒子數總是少於總粒子數的一半，因此從時間平均的角度看，形成的是旋轉的和不旋轉的態共存的狀態，而且處于宏觀量子隧穿的約瑟夫森隧穿區域中，是量子自束縛狀態。
  20. Moreover, we obtain the energy band structure, and the band width of the low - lying energy spectrum of the becs due to the quantum tunneling between degenerate ground states. thus we are able to investigate the coherent properties of the bose - josephson oscillations

    此外，我們獲得了由於量子隧穿導致的簡並基態能級劈裂，計算了低能能譜的帶寬，在此基礎上討論了玻色?約瑟夫森振蕩的相干特性。
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