磁阱 的英文怎麼說

中文拼音 [jǐng]
磁阱 英文
magnetic trap
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 名詞(捕野獸用的陷坑) trap; pitfall; pit
  1. Compare the system ' s classical chaos motion between the double - potential well in the tiled magnetic field and that of potential well including biquadratic term

    比較了傾斜場作用下的雙勢和含有4次方的勢兩種情況下系統的經典混沌運動特徵。
  2. A key technique in all these experiments is magnetic trapping ? the art of levitating atoms in free space with the help of magnetic fields

    所有這些實驗的關鍵技術是磁阱,這種技術是藉著場使原子漂浮在半空中。
  3. Laser cooling ; optical molasses ; super cold atoms ; mot

    激光冷卻光學粘團超冷原子
  4. Chaos in the trigonal potential well subjected to a tilted magnetic field

    場作用下三角形量子中的混沌
  5. In 1995, the experiment of resonant tunneling diode in a magnetic field tiled by an angle with respect to the tunneling direction was accomplished by t. fromhold and b. willkinson etc. subsequently, e. e. narimanov and a. d. stone have theoretically studied this system with the square - potential well model

    例如, 1995年, t . fromhold和b . willkinson等人所做的傾斜場作用下的共振隧穿二極體實驗,以及后來由e . e . narimanov和a . d . stone等人採用方勢模型進行的理論研究。
  6. Usually the magneto - optical trap is used to obtain the cold atoms from the vapor. it is reported that experiments for obtaining the ultra - cold cesium atoms by optical molasses directly from the vapor cell without mot. the lowest temperature achieved for the cesium atomic cloud was 3k. the relationship between the temperature and the detuning of cooling laser was measured

    報告了採用直接從銫蒸汽氣室而不用實現了光學粘團的方法。用此辦法得到了3的銫的超冷原子團。這是我國目前用激光冷卻方法得到的最低溫度。
  7. In cylindrical coordinates frame, by using biot - savart law and other techniques, the general formulas of these fields are gi en

    對ioffe來說,因其能對中性粒子實現穩定囚禁而成為一種倍受關注的磁阱
  8. Within 100 microns of the chip surface, the field forms the magnetic trap that suspends the atom cloud in free space

    在晶片表面100微米以內,場構成了磁阱,可以將原子云托在半空中。
  9. The field structures of some typical magnetostatic traps

    典型靜磁阱場結構
  10. Brzozowski t m, maczynska m, zawada m, et al. time - of - flight measurement of the temperature of cold atoms for short trap - probe beam distances [ j ]. j opt b, 2002, 4 : 62

    耿濤,閆樹斌,王彥華,等.用短程飛行時間吸收譜對銫中冷原子溫度的測量[ j ] .物理學報, 2005 , 54 : 5104
  11. 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,把外場沿難化軸方向時的自旋隧穿約化成在等效雙勢中運動的粒子,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。
  12. The active aspects include ion traps, nuclear magnetic resonance ( nmr ) technique, quantum electrodynamics cavities, josephons junctions, and semiconductors quantum dots

    主要包括離子、核共振、量子電動力學腔、約瑟夫結和半導體量子點。
  13. 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

    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阱和不同磁阱構成的兩種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阱構成的雙壘結構,共振減弱;對于電子隧穿不同磁阱構成的雙壘結構,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,量子結構中存在著顯著的量子尺寸效應和負微分電導
  14. Evaporative cooling can work only in a trap, and magnetic traps are the ones that work best with this cooling technique

    蒸發冷卻法只有在里行得通,而這種冷卻技術配合磁阱來做效果最好。
  15. Compare this with the kilowatts that were needed in the traditional magnetic traps

    這比起傳統磁阱所需要的幾千瓦實在小多了。
  16. Average magnetic well

    平均磁阱
  17. Designing and operating these magnetic traps accounted for a significant part of the effort in bec experiments

    設計與操作這些磁阱,是bec實驗里的主要工作。
  18. They are snaring individual ions in tar pits of light and magnetism and manipulating the spin of electrons in their orbits

    再不然,這些人就以光磁阱捕捉個別的離子,以便操縱其軌道上電子的自旋。
  19. Because the atoms are so close to the wires, less than one watt of electric power is enough to operate this magnetic trap ? it could easily be run off the battery of a laptop computer

    由於原子云離導線相當近,產生這個磁阱所需要的電能不到一瓦特? ?一般筆記型電腦的電池便足以供應。
  20. The problem with a poor vacuum is that the stray remaining particles steadily deplete the cloud of trapped atoms by colliding with them, thereby knocking them out of the magnetic trap

    真空度不佳所造成的問題是:殘留的粒子會不斷撞擊里的原子云,原子被撞出磁阱后,原子云便會減少。
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