热库
- heat reservoir
-
文章利用量子光学的热库理论,讨论光纤损耗对光脉冲压缩态带来的影响。
In this paper , the influence of fiber losses was discussed for optical pulse squeezed states by means of heat reservoir theory in quantum optics .
-
背景气压对激光烧蚀等离子体谱线的影响,其机理可以认为是热库效应、约束效应及阴影效应相互竞争的综合结果。
At the different environmental gas pressure , spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " shadow effect " .
-
采用拉氏变换的方法,越过粒子数随时间的变化的求解,利用Laplace变换直接得到了两种模型在上述三种热库环境下的自发辐射谱。
The calculation of spontaneous emission of the two types of model can be performed by the Laplace transform .
-
本文通过求解热库中有源LC电路的密度矩阵方程,研究电路状态的时间演化及其稳态特性。
The time-dependent properties and the steady state features of a quantum LC circuit with a source in a thermal bath are studied .
-
另外,若将相应热库间的对纠缠考虑进去,对不呈现纠缠猝死现象的另一形式的W类态,建立了相应的对纠缠守恒等式。
In addition , by taking the entanglement of the corresponding reservoirs into account , entanglement invariants are constructed for the W-like state that does not undergo ESD .
-
结果表明,在零温度热库中有源LC电路的稳态解为相干态,在非零温度热库中其状态的Q分布函数将变宽。
It is shown that the steady state will be a coherent state in a zero temperature bath , but the Q-distribution function of the states will become wider in a non-zero temperature bath .
-
高加速极限(高温极限)时,加速原子和Unruh温度热库中原子的能级移动修正在各种距离的情形中均表现完全不一致。
While in the high acceleration ( high temperature ) limit , the energy level shifts of an accelerated atom display completely different behav-iors , even in the leading order , from those of a static atom in a thermal bath at the Unruh temperature in all three distance regimes .
-
离子阱中热库诱导退相干的控制
Control of decoherence induced by the bath in an ion trap
-
热库中振子弛豫过程的精确解
The exact solution of relaxation process of an oscillator in a thermo-bath
-
这里有一个热库,来保持温度不变。
There is a heat bath here that keeps the temperature constant .
-
耗散量子隧道系统中的形变效应与热库维数的关系
Dependence of the deformation in dissipative quantum tunneling systems on the dimension of the bath
-
若对热库取平均,该方程将给出半经典理论的全部结果。
If an average over reservoir is taken , the equation will give all the semi-classical results .
-
本文讨论了光场初态和热库性质对原子-场耦合系统量子非局域性的作用。
The effects of the initial field state and thermal environment on quantum nonlocality in atom field coupling system are investigated .
-
量子点热机是由单能级量子点连接两个温度和化学势都不同的电子热库组成。
The quantum dot engine consists of a single energy level quantum dot embedded between two reservoirs at different temperatures and chemical potentials .
-
两能级原子与外部环境(热库)相互作用时,采用非旋波近似,研究原子与热辐射场单光子和双光子作用过程。
The interaction of a two-level atom with a thermal radiation field for single-photon processes and two-photon processes without rotating wave approximation is analysed .
-
在真空热库中随着时间的演化,两种纠缠态的量子非定域性逐渐减弱直至消失。
Under the time evolution in a vacuum thermal reservoir , quantum nonlocality of the two kinds of entangled states decreases gradually and disappears finally .
-
具有共振能级能量的自旋简并电子在温度梯度和化学势梯度的驱动下通过该量子点在两个热库间传输热流或者热量。
The spin-degenerated electrons with resonant energy transfer heat flux or heat through the quantum dot between two reservoirs under the temperature and chemical potential gradients .
-
原子在不同热库环境下的自发辐射谱线表现出明显不同的性质。
The spontaneous emission spectrum of an atom coupled to non - Markov environment is obviously to exhibit different properties compared with that coupled to Markov environment .
-
土壤源热泵以土壤作为热源和热库,避免了水源热泵造成的水质污染和地质结构破坏,使用范围广,成为理论研究的重点。
Soil heat pump becomes the core of research on GSHP , because it can avoid water pollution and geologic destroy which are caused by water heat pump .
-
电子制冷机是以电子为工作物质,由两个具有不同温度和不同化学势的热库以及能量过滤体组成。
The electron refrigerator uses the electrons as the working substance , which consists of two thermal reservoirs with different temperatures and chemical potentials and the energy filter .
-
考虑了两个热库之间的辐射热漏流,数值计算出电子热泵的性能参数,绘出了热泵的性能特征曲线。
After considering the radiant heat leakage between the two reservoirs , the performance parameters of electron heat pump are numerically calculated , and the performance characteristic curves are drawn .
-
用一个孤立的弹性球代表纳米颗粒,基底当作谐振腔的热库,这个热库在低能下是连续的。
An isolated elastic spherical represents nanoparticle , the phonon of the bulk substrate act as a bath of harmonic oscillators which has a continuous vibrational DOS at low energy .
-
结果显示,如果腔损耗很弱,热库的平均光子数很小,系统会周期性地展现出量子非局域性。
It is found that if the cavity dissipation is very weak and the average photon number of thermal environment is very small , the atom-field state can exhibit quantum nonlocality periodically .
-
将原子置入光子带隙热库中,针对上带隙边缘处于不同位置所对应的三种跃迁情况,研究了光子带隙和外加场失谐对分立谱线的影响。
Placing the atom in photonic band gap reservoir , we study the influence of band gap and detuning of driving field on individual spectrum lines for the different upper band edge positions .
-
非局域性的消失速度依赖于初始压缩真空态的振幅、热库的平均光子数和腔的衰退系数。
The rapidity of the loss of the quantum nonlocality depends on the amplitude of the initial squeezed vacuum state and the cavity damping constant and the average photon number of thermal environment .
-
为了考虑实际环境对量子纠缠的影响,本文通过主方程分析了在真空热库中少量原子的量子态的含时演化过程。
In regard to the impacts of the environment on the entanglement , the time evolution of a small number of atoms in the vacuum reservoir is analyzed by means of the master equation .
-
电子在两个热库之间的传输几率将直接影响热流和制冷系数的大小,而传输几率很大程度上取决于能量过滤体的结构。
The transmission probability of the electron between the two thermal reservoirs affects directly the heat flux and the coefficient of performance , while the transmission probability depends on largely the structure of the energy filter .
-
本文研究了光场初态和热库性质对原子&场耦合系统量子非局域性的影响,分别讨论了腔场初始处于压缩真空态和压缩相干态两种情形。
In this thesis , we studied the effects of the initial field state and thermal environment on quantum nonlocality and purity in atom-field system , in which the field initially in the squeezed vacuum state and in the squeezed coherent state are considered respectively .
-
本文首先介绍了光和原子的相互作用的理论模型和受激拉曼绝热通道,接着介绍了研究腔模与原子相互作用这个开放系统时主要采用的热库理论的基本知识和朗之万方程。
In this thesis , we briefly introduce the theoretical model of atom-field interaction and the stimulated Raman adiabatic passage . Then we describe heat bath theory and Langevin equation which can be used to study the open system of atoms coupling to the cavity modes .
-
陶瓷坯体烧成过程中红外热图像库管理系统
IR Thermal Imaging System for the Firing of Ceramic Bodies