quantum effects 中文意思是什麼
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Boundary effects in quantum dots
量子點中的邊界效應 -
Effects of hydrogenic donor impurity position on the binding energy of a bound exciton in - nitrides quantum dots
族氮化物量子點中類氫施主雜質位置對束縛激子結合能的影響 -
To avoid spoiling the successful predictions of quantum theory and general relativity, the exotica contained in the full theory would remain hidden from experiment except in the extraordinary circumstances where both quantum theory and general relativity are expected to have large effects
但為了避免違背量子理論與廣義相對論的成功預言，整體理論中所包含的外來添加物，在一般實驗的環境下必須隱而不顯，除非是在量子理論和廣義相對論都可望有很大效應的特別環境之下，才會現身。 -
When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale
除了真空場模型外，科學家亦提出其他解釋黑暗能量的理論，這些模型建基於不同的物理理論或假設，例如超對稱規范理論超重力增加一些小或大的空間維數量子力學在彎曲時空的影響等等，這些理論模型，返本溯源，其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。 -
Then, an implicit expression for electron density and a closed form of threshold voltage are presented fully comprising quantum mechanical ( qm ) effects
給出了電子密度的隱式表達式和閾電壓的顯式表達式，它們都充分考慮了量子力學效應。 -
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 -
Based on the revers kinetic intermediate energy heavy ion collision in which much more intermediate mass fragments are emitted towards forward angles, a sensitive observable on isospin effects in heavy ion collisions is investigated by means of using isospin dependent quantum molecular dynamics ( iqmd )
摘要在重離子碰撞過程中，基於重質量的彈核轟擊輕質量靶核有大量中等質量碎片向前發射的逆運動學效應，利用同位旋相關的量子分子動力學觀察和研究了重離子碰撞過程中同位旋效應的靈敏性。 -
Relativistic and mass - polarization effects on the energies are included as the first - order perturbation corrections. the quantum - electrodynamics contributions to the transition energies are estimated by using effective nuclear charge
非相對論能量用rayleigh - ritz變分法確定；相對論和質量極化效應用微擾論計算；量子電動力學修正用有效核電荷方法計算。 -
It has been shown that whether resonant or non - resonant interaction system, the kerr effect weakens the coupling of the field - atom, shortens the cycle of quantum collapses and revivals of the atomic level occupation and makes the nonclassical correlation properties steady. kerr effects on the properties of the correlation, on the correlation intensity between the two - mode, on the photon - number distribution and on the bunching or antibunching effect of the two - mode su ( 1, 1 ) coherent states produce obviously different characters when it is changed the initial intensity of the light field. that is to say, kerr effect on the two interaction systems is accorded
數值計算結果表明：無論是共振還是非共振相互作用， kerr效應均使原子與光場的耦合減弱，原子布居的崩塌與復甦的周期縮短，光場的非經典相關的穩定性增強；在初始光場較弱和較強兩種情況下，類kerr介質對雙模su （ 1 ， 1 ）相干態場兩模間的相關性、相關程度以及光子的聚束與反聚束效應產生的作用均有明顯的區別，即kerr效應對系統在共振及非共振作用時的影響是一致的。 -
Atomic emission spectrum and phase properties of the field in some atom - field coupling systems are investigated. effects of quantum interference between two different transition pathways on atomic emission spectrum and phase properties of the field are discussed
本文研究了光場與原子相互作用系統中原子的發射譜和光場的相位性質，討論了原子不同躍遷通道間的量子干涉對原子發射譜和光場相位性質的影響。 -
In low - dimension structure, the exciton binding energy will be lager than bulk material because of quantum effects, so excitons play an important role in optical characteristics of low - dimension zno
在低維結構中，由於量子限制效應，激子束縛能會變得更大，因而在低維zno材料中，激子發光在其光學特性中起著舉足輕重的作用。 -
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。 -
In order to study the quantum effects of an extra dimension, a hamiltonian formulation for a 5d frw cosmology is derived through the direct quantum approach and the full wave function of the 5d universe is separated using a late - time approximation. due to the compactness of the extra dimension, the momentum ps along t he fifth dimension is quantized
為研究緊致額外維的量子特性，我們首先從直接量子化方法給出了五維frw宇宙的哈密頓公式，並用后時近似方法分解了五維宇宙波函數，進而得到因第五維的緊致性而量子化的第5維動量。 -
These are sometimes referred to as " quantum effects "
這些有時是指「量子效應」 。 -
It is at those size scales that quantum effects become significant
量子效應只有在這么小的尺度才會變得重要。 -
In most situations, the contradictory requirements of quantum mechanics and general relativity are not a problem, because either the quantum effects or the gravitational effects are so small that they can be neglected or dealt with by approximations
在多數的情況下，量子力學與廣義相對論的矛盾並不會成為問題，因為通常量子效應與重力效應之一會小到可以忽略，或可以用近似法處理。 -
After reviewing the brane theories in detail, the instability of the randall - sundrum brane model and quantum effects of an extra compact dimension have been discussed in this thesis
本文在回顧brane模型的基礎上，重點討論了randall - sundrum （ rs ）雙膜模型的不穩定性和緊致額外維的量子特性。 -
The problem is that quantum effects are most prominent at small size scales, whereas general relativistic effects require large masses, so it takes extraordinary circumstances to combine both conditions
問題在於，量子效應在小尺度最為明顯，而廣義相對論的效應卻需要大質量才看得出來，因此兩種狀況的交集，必然是個非常特殊的環境。 -
With micro - electronic techniques going towards their physical limits, the researches on nano - electronic devices with quantum effects are carried out
摘要隨著微電子工藝逐漸逼近其物理極限，具有量子特性的納米電子器件的研製被提上日程。 -
The research has showed that some quantum effects have appeared in the interaction of light with atoms, especially in the nonlinear process
研究發現，在光場與原子相互作用過程中，會出現某些非經典效應。
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