1) Chiral Unitary Approach
手征幺正法
1.
In thisthesis, under the framework of the chiral model and the chiral unitary approach, thecoupled-channel Bethe-Salpeter (BS) equation is used to generally study the everysectors of the interactions be.
本文应用手征幺正法对轻赝标介子八重态与JP = 21+的重子八重态散射的各个扇区进行全面的研究,目的在于寻找反应中的共振态及其结构信息。
2) chiral unitary theory
手征幺正理论
3) unitary transformation
幺正变换
1.
By utilizing the unitary transformation such as the rotational transformation in Schwinger angular momentum representation,Bogoliubov transformation and the squeezed transformation,the two-body interacting Hamiltonian in the form of H∧_k=A_1a~+_ka_k+A_2b~+_kb_k+(Ba~+_kb~+_k+B~*a_kb_k)+(Ca~+_kb_k+C~*b~+_ka_k)is diagonalized.
利用Schwinger角动量表象的转动变换,玻戈留玻夫变换,压缩变换等幺正变换,对∧Hk=A1ak+ak+A2bk+bk+(Bak+bk++B*akbk)+(Cak+bk+C*bk+ak)形式磁有序物质的二体耦合哈密顿量进行了对角化。
2.
The Hamiltonian of the system was diagonalized by unitary transformation to obtain the eigenenergy spectra of the circuit.
通过幺正变换将系统的哈密顿量对角化,给出体系的本征能谱。
3.
We find that when the channels are nonmaximally (entangled) states by introducing an ancillary qubit and constructing an unitary transformation properly,teleportation of two-particle entangled state can be implemented with certain probability.
发现在使用非最大纠缠态作为量子通道时,通过引进一个辅助粒子,并构造一个幺正变换矩阵,即可以一定的几率完成二粒子纠缠态的隐形传输。
4) unitary operation
幺正操作
1.
The former receivers randomly perform an arbitrary unitary operation on each of the particles, which is equivalent to eneryption of the particle with a random key and ensures the security of the present pro- tocol.
先前的接收者在每个粒子上随机地执行一个任意的幺正操作,相当于用一个随机的密钥加密粒子,确保了这个方案的安全性。
5) unitary matrix
幺正矩阵
1.
In this paper,we presented a succinct method to obtain the unitary matrix in the representation transformation by the theorem form,gave the reasonable demonstration,and simultaneously confirmed the theorem accuracy by a concrete example.
以定理的形式给出了表象变换中获得幺正矩阵的一种简洁方法,并给予了合理的证明,同时结合具体实例验证了定理的正确性。
2.
Constructing a unitary matrix for transformation of coordinates by means of quadratic form theory,the Hamiltonian of the 3D coordinate-momentum coupling harmonic oscillator is transformed into diagonalmatrix,it not only offer a general mathematic method for solving this kind of problems,but also have an active effect upon upgrading students ability to solve physics problems by mathematical theory.
利用二次型理论构造一个幺正矩阵进行表象变换,将|x〉表象中的三模坐标-动量耦合量子谐振子体系的哈密顿量对角化,这不仅提供了一种解决该类问题的一般数学方法,同时对培养和提升学生运用数学工具解决复杂物理问题的能力也具有积极的指导作用。
6) unitary evolution
幺正演化
1.
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。
补充资料：手征对称性
自旋为 1/2的粒子有两种独立的自旋状态。对两种状态的一种相对论不变的区分法称为手征，两种自旋状态称为左旋和右旋。对于以光速运动的零质量粒子，左旋和右旋的物理意义分别为粒子自旋方向与运动方向相反和相同。如果粒子所参与的相互作用在某一对称群的变换下具有不变性，则粒子波函数在这对称群的变换下按一定的规律变换。如果在某一对称群的变换下，左旋粒子与右旋粒子的变换规律不同，则称该对称群所体现的对称性为手征对称性。例如左旋（或右旋）粒子在群变换时按一定规律变换,而右旋(或左旋)粒子则不变,这时往往又称该对称群所体现的对称性为左旋(或右旋)手征对称性。严格的手征对称性下费密子的质量为零，左旋费密子与右旋费密子相互独立地运动。在手征对称性破缺时，费密子可以获得质量，左旋费密子与右旋费密子可以互相转变，耦合在一起运动。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条