基态原子

人们将这个方法用于研究闵氏时空中原子的平均能量变化率，发现真空中的匀加速基态原子可以自发激发，随后这个方法被广泛地用于研究平直时空中各种情况下原子的辐射性质。

This formalism was then used to study the average rate of change of the atomic energy in Minkowski spacetime , and it is found that a ground-state atom in uni-form acceleration in vacuum would spontaneously excite .

因此，如果我们要讨论的是，五个不同的轨道且是属于一个基态原子的话，我们知道，我们只需要从最低的轨道，开始一个一个往上找。

So , if we 're talking about five different orbitals and we 're talking about a ground state atom , we know that we just need to start at the bottom and work our way out up .

铅空心阴极灯发射出来的波长283.3nm的光穿过火焰，被火焰中的Pb气态基态原子吸收，然后检测其吸收信号。

Then the lead atomic absorption signal was determined at 283.3 nm .

在共振情况下求解两能级原子在激光衰波场中的薛定谔方程，得到了基态原子反射率Rg、激发态原子反射率Re以及原子总反射率Rt的解析表达式。

The analytical solution for resonant reflection of a two level atom by an evanescent laser wave is presented .

本文使用excimer（XeCl）泵激光产生的染料激光作为原子荧光的激发源测定了电感耦合等离子体中Ca、Mn和Cu的基态原子和离子的径向分布轮廓。

An excimer ( XeCl ) pumped pulsed dye laser as an excitation source of fluorescence was used to diagnose the spatial distribution of some analytes in the ICP .

用Xα法和Slater过渡态理论计算了碱金属元素Na、K、Rb、Cs基态原子的光致电离截面；

Photoionization cross sections for the ground-state alkali-metal atoms Na , K , Rb , and Cs are calculated by using the X α method and Slater transition-state theory .

HCD中铀基态原子衰变时间常数和亚稳态原子寿命测量

Measurement of decay time constant of ground and metastable states of U atoms in a HCD lamp

本文在理论上研究了纳秒数量级内，运用绝热快速通道（ARP）来控制基态原子的相干性及其布居数在不同能态间的转移。

Robust control of atomic coherence and population transfer among Zeeman sublevels in the ground states of atom is investigated theoretically using adiabatic rapid passage on a nanosecond time scale .

而对于Boulware真空，基态原子探测器就如同处于我们通常所说的真空一样，不会自发激发。

However , in the Boulware vacuum , the detector will not be excited just as if it is in the vacuum which we usually refers to in the Minkowski spacetime .

碱金属基态原子光致电离截面的理论研究

Theoretical investigation of the photo-ionization cross sections for the ground-state alkali-metal atoms

在四波混频产生量子态过程中，由于光子是通过基态原子能级的相干性进行耦合，从而减少吸收和自发辐射。

In the situation of FWM generated quantum states process , as the lights are coupled through atomic coherence between ground states , the near-resonant absorption and the spontaneous emission are reduced .

我们首先对比了矢量模型下的精确解和绝热近似解，发现矢量模型下基态原子的隧穿时间与绝热近似下的结果有很多迥然相异的行为。

First of all , we compare the exact solution with the adiabatic approximation solution in the vector model , and find the tunneling time in these two cases is utterly different .

本文求得了激光微波双共振抽运碱原子束时基态原子实现最大非均衡分布的条件，这与新近的实验结果相符。

We obtained the conditions under which the maximum non-equilibrium distribution of the population of alkali atoms in the ground state in atomic beam pumped by laser-MW double resonance is achieved . These conditions are consistent with recent experiments .

通过对高位态碱分子和基态原子碰撞转移的实验研究，为确定原子分子相互作用势，碰撞粒子的能量和寻找新的激光工作能级提供信息实验数据。

Through the experiment research of the collisional energy transfer between the high-lying state of alkali molecules and the ground state atoms , we get the information in order to ascertain the atom molecule interaction potential energy and energy partition , and to seek new laser working energy levels .

基态N原子与CS2反应机理的理论研究

Theoretical Studies on the Reaction Mechanism of N and CS _ 2

基态Li原子的Hartree-Fock有限元方法计算

Solution of the ground state of lithium by Hartree - Fock finite - element method

在Na－K混合蒸汽中，利用染料激光器，将基态Na原子双光子激发到5S态。

Two photon excitation of the ground state sodium atoms using a cw dye laser populated the Na ( 5S ) state in the K Na vapor mixtures .

磁约束铜蒸气放电中基态铜原子密度的测量

Measurement of the ground state copper atom density in a magnetically confined discharge

基态双原子系统的长程势能函数

Long-range potential energy function for ground state diatomics

本文推导出动量表象中的基态氦原子和氢分子波函数。

Wave functions of helium atom and hydrogen molecule in momentum space have been derived .

激光微波双共振导致的基态碱原子的非均衡分布

Non-equilibrium distribution of the population of alkali atoms in the ground state induced by LASER-MW double resonances

由这个模型算得的基态氦原子阈上电离谱同最近的实验结果作了比较。

It is found that the calculated ATI spectra by the model fits the recent experimental spectra very well .

我们在第八章中讨论了处于基态的原子内电子的排列情况。

In Chapter 8 we were concerned with the arrangement of the electrons in the ground states of atoms .

提出了一个新的处理强光中基态氦原子阈上电离谱的解析模型。

A new analytical model for the ATI spectra of ground state He-atom in strong laser fields is proposed in this paper .

在一定的溅射气压下，基态铜原子密度、电子激发温度、均随功率的增大而增大。

Under a certain sputtering pressure , the ground Cu atomic density and electron excitation temperature both increase with the sputtering power .

一种电负性新标度：基态自由原子价壳层电子平均吸引能

A novel electronegativity χ CL for elements and orbitals based on average attracting energy of valence shell electrons in ground state free atoms

当其中只有一个原子处于激发态时，那些原先处于基态的原子对就会产生量子纠缠。

If there is only one excited atom in the ensemble , a pair of atoms originally at the ground states can be entangled .

根据玻尔理论，玻尔半径是在基态氢原子中电子运动的圆周半径。

Bohr radius was the radius of the circle in which the electron moved in the ground state of the hydrogen atom , according to the Bohr theory .

在研究基态锂原子电子交换作用的基础上，本文进一步计算了激发态锂原子的能级，并着重研究了电子交换作用对锂原子激发态能量的影响，计算结果与实验结果符合较好。

Based on the study of electronic exchange effect of Lithium atom in ground state , this essay has calculated the energy level of Lithium atom in excited state and the electronic exchange of Lithium atom .

采用二阶劈裂算子算法，通过数值求解强激光场中基态氢原子的含时薛定谔方程，计算了不同的激光脉宽下氢原子的电离率和高次谐波。

The ionization probability and high-order harmonic spectrum of hydrogen atom under different laser pulse are computed by solving the time-dependent Schrodinger equation of hydrogen atom in a intense laser field , in which an algorithm of split-operator is quoted .