查询词典 quantum state

Quantum logic has a long history, and there were many results of quantum logic.Effect algebra was introduced before about ten years. It describes the unsharp quantum measurement, and plays an important role in quantum logic theory.

本文研究了近十年来发展起来的用于描述不可精确测量量子现象的效应代数理论及相关问题，主要结果是： 1。

Further theoretical analysis demonstrated the lateral effective width of crescent-shaped quantum wires was 6nm within the regime of quantum size. With two-dimensional separated-confinement-heterostructures, the multi-quantum-wire laser arrays operated in pulsed condition (1kHz/1μs) at room temperature, and their pulse light outpower reached more than 115mW, which is the best among all quantum wire lasers reported previously.

这种多量子线激光器列阵具有二维分别限制的异质结构，并在室温脉冲（重复频率1kHz，脉宽1μs）下产生激射，光脉冲线性输出功率可达115mW以上，这是目前国际上各类量子线激光器的最好水平；子带间能隙最大为27meV，与室温下热离化能相当，优于目前国际上报道的同类量子线激光器的最好水平。

In addition, these effects can also be applied in the design of highly sensitive magnetometers, quantum computation, the quantum logic gate, quantum switches and quantum interferometric optical lithography and so on.

此外，这些效应还可应用于高灵敏磁力计的设计，量子计算，量子逻辑门，量子开关及量子干涉光学平版印刷术等。

With the precondition of not importing magnetic charge, we gave rules of magnetic flux quantization, and the relations between magnetic flux quantization, Principle Quantum Number , Angular Quantum Number , Magnetic Quantum Number and Spin Quantum Number were built.

在不引入磁荷的前提下，给出了磁通量子化规则，建立了磁通量子化与主量子数、角量子数、磁量子数和自旋量子数的联系。

After reviewing the criticism on NMR quantum computing given by Braunstein et al, we reiterate that the power of the quantum computers comes from quantum U transformations and superpositions of quantum states rather than entanglements.

然后回顾了Braunstein等人对NMR量子计算的批评，给出了我们的分析和反驳，认为量子计算根源于量子U变换和态的叠加原理，而不应过分强调纠缠的作用。

The ideal quantum gases obey Bose-Einstein or Fermi-Dirac statistics and the flux can be derived from the known distribution function. In this sense, we develop the kinetic schemes that suitable for ideal quantum gas and investigate the influence of the quantum effect. In this thesis we discuss shock tube problems and shock diffraction by wedges and shock diffraction by cylinders for the ideal quantum gases.

理想量子气体之速度分布依循Bose-Einstein或Fermi-Dirac分布，在已知气体分布函数的情况下，对分布函数取矩可得宏观量及其通量，本文即利用此概念发展适用於理想量子气体之气体运动算则，并探讨量子效应造成之影响，本文探讨理想量子气体之震波管、楔形体和圆柱震波绕射问题。

Quantum cryptology is a new method for secret communications. Compared to the classical cryptography, the greatest advantages of quantum cryptography are provable security and detectives; this is because the security of quantum cryptography is ensured by quantum no-cloning and Heisenberg's uncertainty principle that instead of relying on some complex mathematical problems.

量子密码技术是一种实现保密通信的新方法，它比较于经典密码的最大优势是具有可证明安全性和可检测性，这是因为量子密码的安全性是由量子物理学中量子不可克隆性和Heisenburg测不准原理来保证的，而不是依靠某些难解的数学问题。

Quantum cryptography is the combination of classical cryptography and quantum mechanics. The characteristics of quantum mechanics, such as no-cloning theorem and Heisenberg's uncertainty principle, provide the perfect secrecy for quantum cryptographic communication.

量子密码学是密码学与量子力学结合的产物，利用量子不可克隆定理和海森堡测不准原理等量子特性，量子密码通信理论上已经证明是绝对安全。

The wave-particle duality and uncertainty relation in quantum mechanics are very hard to imagine,but they are very similar to the phenomenon of the society and human in which copy and cloning is possible.If the quantum state has something like gene,it is possible to cloning a quantum state.

量子力学中的波粒二象性、不确定性关系等等难于理解，但是却与人类社会中的许多现象绝妙地类似，从更加微观的角度分析，如果量子态也存在类似基因的成分，可以绕开量子不可克隆定理的证明中假定的情况进行克隆。

In quantum mechanics,the evolution of a quantum state is a unitary evolution ,the evolution process can be described by an action of a unitary operator on the quantum state and the process is time reversible.

在量子力学中，态的演化是一个幺正演化过程，态的演化过程可以用演化算子对态的作用来表示，幺正演化过程是时间可逆的。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。