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Self-Consistent Study of the Superconducting Gap in the Strontium-doped Lanthanum Cuprate 掺锶铜酸镧超导隙的自一致性研究
Pub Date : 2023-03-20 DOI: 10.11648/j.ijamtp.20230901.11
Pedro L. Contreras E., Dianela Osorio, A. Devi
This work is aimed at numerically investigating the behavior of the Fermi energy in Strontium-doped Lanthanum Cuprate, using a numerical zero temperature elastic scattering cross-section procedure in the unitary collision regime. The main task is to vary the zero temperature superconducting energy gap from its zero value in the normal state, to the highest value of 60 meV. We find that there are two different reduced phase space regimes for the first harmonic line node's order parameter. The first scenario considers that when the Fermi energy and the nearest hopping terms have the same order of magnitude, the physics can be described by a picture given by nonequilibrium statistical mechanics. A second scenario indicates, that when the Fermi energy parameter and the hopping term have different order of magnitude; the physical picture tends to be related to the nonrelativistic quantum mechanical degrees of freedom coming from quasi-stationary quantum energy levels, with a damping term seen in the probability density distribution function, that is described in the configuration space. Henceforth, it is concluded that the use of the zero temperature elastic scattering cross-section links the phase and configuration spaces through the inverse scattering lifetime, and helps to clarify the role of the degrees of freedom in Strontium-doped Lanthanum Cuprate. Finally, we think that the self-consistent numerical procedure with the reduced phase space, induces nonlocality in the inverse scattering lifetime.
本研究的目的是利用零温度弹性散射截面程序,在单一碰撞条件下,数值研究掺锶铜酸镧中费米能量的行为。主要任务是将零温度超导能隙从正常状态下的零值变化到60 meV的最大值。我们发现,第一次谐波线节点的阶参量有两种不同的化简相空间形式。第一个场景认为,当费米能量和最近的跳跃项具有相同的数量级时,物理可以用非平衡统计力学给出的图像来描述。第二种情况表明,当费米能量参数和跳频项具有不同的数量级时;物理图像倾向于与来自准稳态量子能级的非相对论性量子力学自由度有关,具有在组态空间中描述的概率密度分布函数中看到的阻尼项。由此得出结论,零温度弹性散射截面通过逆散射寿命将相空间和组态空间联系起来,并有助于阐明自由度在掺锶铜酸镧中的作用。最后,我们认为在相空间化简的情况下,自洽数值过程导致了逆散射寿命的非局域性。
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引用次数: 1
Some Properties of Multivalent Analytic Starlike Function Subordinated with Cosine Hyperbolic Function 余弦双曲函数从属的多价解析星形函数的一些性质
Pub Date : 2021-09-11 DOI: 10.11648/J.IJAMTP.20210703.13
Muhammad Azam, N. Ullah
Abdullah Alotaibi defined a starlike function connected with a cosine hyperbolic function in the year 2020. We establish some appropriate conditions for several features of multivalent analytic starlike function subordinated with cosine hyperbolic function in this article. We determine conditions on α are subordinated by Janowski function. We acquire some suitable conditions by selecting specific values for functions we get some adequate conditions for multivalent starlik function related with cosine hyperbolic. Over the last decade, starlike functions have grown in popularity in both literature and application. Our goal in this work is look at some practical challenges with q-starlike functions. Moreover, we will show that the class described in this research, as well as the results gained, generalizes numerous previously published papers. We need to add some fundamental Geometric function theory literature here to comprehend the notions employed in our work in a straightforward way. To do so, we'll start with the notation, which signifies the class of holomorphic or analytic functions in the holomorphic or analytic functions. Then the relationships must be stable. In addition, all univalent functions will belong to the subfamily. Furthermore, the possibility of subjections between analytic functions and, as shown by, as; the functions, are related by the connection of subjection, if there exists an analytic function with restrictions and such that in addition, if the function is in, we get The aim of this paper is to define a family of multivalent q-starlike functions associated with circular domains and to study some of its useful properties of multivalent analytic functions subordinated cosine hyperbolic function.
Abdullah Alotaibi在2020年定义了一个与余弦双曲函数相连的星形函数。本文建立了余弦双曲函数从属的多价解析星形函数的几个特征的适当条件。我们确定α上的条件隶属于Janowski函数。通过选取函数的特定值,得到了关于余弦双曲的多价星形函数的适当条件。在过去的十年中,星形函数在文献和应用中都越来越受欢迎。我们在这项工作中的目标是研究q-星形函数的一些实际挑战。此外,我们将表明,在这项研究中描述的类,以及所获得的结果,概括了许多以前发表的论文。我们需要在这里添加一些基本的几何函数理论文献,以便以一种直接的方式理解我们工作中使用的概念。为此,我们将从符号开始,它表示全纯或解析函数中的全纯或解析函数类。那么关系必须是稳定的。此外,所有的一元函数都属于这个亚族。更进一步,分析函数之间的主词的可能性,如所示:本文的目的是定义与圆域有关的一类多价q-星形函数族,并研究其隶属于余弦双曲函数的多价解析函数的一些有用性质。
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引用次数: 0
Analytical Solution vs. Numerical Solution of Heat Equation Flow Through Rod of Length 8 Units in One Dimension 一维长度为8单位杆的热流方程解析解与数值解
Pub Date : 2021-07-02 DOI: 10.11648/J.IJAMTP.20210702.12
Geleta Kinkino Meyu, Kedir Aliyi Koriche
The paper presented the basic treatment of the solution of heat equation in one dimension. Heat is a form of energy in transaction and it flows from one system to another if there is a temperature difference between the systems. Heat flow is the main concern of sciences which seeks to predict the energy transfer which may take place between material bodies as result of temperature difference. Thus, there are three modes of heat transfer, i.e., conduction, radiation and convection. Conduction can be steady state heat conduction, or unsteady state heat conduction. If the system is in steady state, temperature doesn’t vary with time, but if the system in unsteady state temperature may varies with time. However, if the temperature of material is changing with time or if there are heat sources or sinks within the material the situation is more complex. So, rather than to escape all problem, we are targeted to solve one problem of heat equation in one dimension. The treatment was from both the analytical and the numerical view point, so that the reader is afforded the insight that is gained from analytical solution as well as the numerical solution that must often be used in practice. Analytical we used the techniques of separation of variables. It is worthwhile to mention here that, analytical solution is not always possible to obtain; indeed, in many instants they are very cumber some and difficult to use. In that case a numerical technique is more appropriate. Among numerical techniques finite difference schema is used. In both approach we found a solution which agrees up to one decimal place.
本文给出了一维热方程解法的基本处理方法。热是能量的一种形式,如果系统之间存在温差,它就会从一个系统流向另一个系统。热流是科学关注的主要问题,它试图预测由于温差而可能在物质体之间发生的能量传递。因此,传热有三种方式,即传导、辐射和对流。传导可以是稳态热传导,也可以是非稳态热传导。当系统处于稳态时,温度不随时间变化,但当系统处于非稳态时,温度可能随时间变化。然而,如果材料的温度随时间而变化,或者材料内部有热源或散热器,情况就更复杂了。因此,我们不是要逃避所有的问题,而是要解决一维热方程的一个问题。处理是从分析和数值的观点,使读者能够提供的洞察力,从解析解以及必须经常在实践中使用的数值解。分析上我们使用了分离变量的技术。这里值得一提的是,解析解并不总是可能得到的;事实上,在很多时候,它们是非常多的,而且很难使用。在这种情况下,采用数值方法更为合适。数值方法中采用有限差分格式。在这两种方法中,我们都找到了一个与小数点后一位一致的解。
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引用次数: 1
Application of the Adomian Decomposition Method (ADM) to Solving the Systems of Partial Differential Equations Adomian分解法在求解偏微分方程组中的应用
Pub Date : 2021-03-30 DOI: 10.11648/J.IJAMTP.20210701.14
Justin Mouyedo Loufouilou, J. B. Yindoula, Gabriel Bissanga
Solving systems of partial differential equations (linear or nonlinear) with dirchelet boundary conditions has rarely made use of the Adomian decompositional method. The aim of this paper is to obtain the exact solution of some systems of linear and nonlinear partial differential equations using the adomian decomposition method.After having generated the basic principles of the general theory of this method, five systems of equations are solved, after calculation of the algorithm.Our results suggest that the use of the adomian method to solve systems of partial differential equations is efficient.However, further research should study other systems of linear or nonlinear partial differential equations to better understand the problem of uniqueness of solutions and boundary conditions.
求解具有直切边界条件的偏微分方程(线性或非线性)系统很少使用Adomian分解方法。本文的目的是利用adomian分解方法,求得一类线性和非线性偏微分方程组的精确解。在推导出该方法一般理论的基本原理后,求解了五个方程组,并对算法进行了计算。我们的结果表明,使用adomian方法求解偏微分方程组是有效的。但是,为了更好地理解解的唯一性和边界条件的唯一性问题,需要进一步研究其他线性或非线性偏微分方程组。
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引用次数: 1
Gravitational and Electromagnetic Field of an Isolated Positively Charged Particle 孤立带正电粒子的引力场和电磁场
Pub Date : 2021-03-12 DOI: 10.11648/J.IJAMTP.20200604.11
B. Borah
A particle which is positively charged with spherically symmetry and non-rotating in empty space is taken to find out a metric or line element. The particle is under the influence of both gravitational and electro-magnetic field and the time component of this metric is depend on the combine effect of these two fields. Therefore in this work especial attention is given in Einstein gravitational and Maxwell’s electro-magnetic field equations. Einstein field equations are individually considered for gravitational and electro-magnetic fields in empty space for an isolated charged particle and combined them like two classical waves. To solve this new metric initially Schwarzschild like solution is used. There after a simple elegant and systematic method is used to determine the value of space coefficient and time coefficient of the metric. Finally to solve the metric the e-m field tensor is used from Maxwell’s electro-magnetic field equations. Thus in the metric the values of space and time coefficient is found a new one. The space and time coefficient in the new metric is not same in the metric as devised by Reissner and Nordstrom, The new space and time coefficient gives such an information about the massive body that at particular mass of a body can stop electro-magnetic interaction. Thus the new metric able to gives us some new information and conclusions.
取一个带球对称正电且在空空间中不旋转的粒子来求度规或线素。粒子同时受到引力场和电磁场的影响,该度规的时间分量取决于这两个场的联合作用。因此,本文特别注意爱因斯坦的引力方程和麦克斯韦的电磁场方程。爱因斯坦场方程分别考虑了真空中一个孤立带电粒子的引力场和电磁场,并将它们像两个经典波一样结合起来。要解这个新度规,首先要用类史瓦西解。然后用一种简单、系统的方法确定度规的空间系数和时间系数的取值。最后利用麦克斯韦电磁场方程中的e-m场张量求解度规。从而在度量中找到了新的空间系数和时间系数。新度规中的时空系数与Reissner和Nordstrom设计的度规不同,新的时空系数给出了关于质量物体的信息,在特定质量的物体可以停止电磁相互作用。因此,新的度量可以给我们一些新的信息和结论。
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引用次数: 2
Theoretical Realization of a Two Qubit Quantum Controlled-NOT Logic Gate and a Single Qubit Quantum Hadamard Logic Gate in the Anti-Jaynes-Cummings Model 反詹尼斯-卡明斯模型中双量子位量子控制非逻辑门和单量子位量子哈达玛逻辑门的理论实现
Pub Date : 2021-03-04 DOI: 10.11648/J.IJAMTP.20210704.13
Christopher Mayero, Joseph Omolo, S. Okeyo
Quantum gates are fundamental in Quantum computing for their role in manipulating elementary information carriers referred to as quantum bits. In this paper, a theoretical scheme for realizing a quantum Hadamard and a quantum controlled-NOT logic gates operations in the anti-Jaynes-Cummings interaction process is provided. Standard Hadamard operation for a specified initial atomic state is achieved by setting a specific sum frequency and photon number in the normalized anti-Jaynes-Cummings qubit state transition operation with the interaction component of the anti-Jaynes-Cummings Hamiltonian generating the state transitions. The quantum controlled-NOT logic gate is realized when a single atomic qubit defined in a two-dimensional Hilbert space is the control qubit and two non-degenerate and orthogonal polarized cavities defined in a two-dimensional Hilbert space make the target qubit. With precise choice of interaction time in the anti-Jaynes-Cummings qubit state transition operations defined in the anti-Jaynes-Cummings sub-space spanned by normalized but non-orthogonal basic qubit state vectors, ideal unit probabilities of success in the quantum controlled-NOT operations is determined.
量子门是量子计算的基础,因为它们在操纵被称为量子比特的基本信息载体方面起着重要作用。本文给出了在反jines - cummings相互作用过程中实现量子Hadamard和量子控制- not逻辑门运算的理论方案。通过在归一化的反詹尼斯-卡明斯量子比特状态转换操作中设置特定的和频率和光子数,以及反詹尼斯-卡明斯哈密顿量的相互作用分量产生状态转换,可以实现指定初始原子状态的标准哈达玛操作。当在二维希尔伯特空间中定义的单个原子量子位元作为控制量子位元,在二维希尔伯特空间中定义的两个非简并正交极化腔作为目标量子位元时,实现了量子控制非逻辑门。在由归一化但非正交的基本量子比特状态向量张成的反jaynes - cummings子空间中定义的反jaynes - cummings量子比特状态转移操作中,通过精确选择相互作用时间,确定了量子控制非操作的理想单位成功概率。
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引用次数: 0
Soliton-Like Spherical Symmetric Solutions of the Nonlinear Spinor Field equations in General Relativity 广义相对论非线性旋量场方程的类孤子球对称解
Pub Date : 2019-12-25 DOI: 10.11648/J.IJAMTP.20190504.14
S. Massou, A. Adomou, J. Edou
In this research work, we opt for the static spherical symmetric metric. Thus, taking into account the own gravitational field of elementary particles, we have obtained exact static spheric symmetric solutions of the nonlinear spinor and gravitational fields equations. The nonlinear terms in the spinor lagrangian density characterize the self-interaction of a spinor field. We have investigated in detail equations with power and polynomial nonlinearities. In this case, we have obtained exact regular solutions which have a localized energy density and limited total energy (soliton-like solutions) only if the mass parameter in the spinor field equations is equal to zero. In additional to this, the total charge and the total spin are bounded. We have also shown that in the linear case, soliton-like solutions are absent. But in the flat space-time, the obtained solutions are soliton-like configurations. Therefore, the proper gravitational field of elementary particles, the geometrical properties of the metric and the nonlinear terms in the lagrangian density play a crucial role in the purpose to get the regular solutions with localized energy density and limited total energy.
在本研究中,我们选择静态球对称度规。因此,考虑到基本粒子自身的引力场,我们得到了非线性旋量和引力场方程的精确静态球面对称解。旋量拉格朗日密度中的非线性项表征了旋量场的自相互作用。我们详细地研究了幂非线性和多项式非线性方程。在这种情况下,只有当旋量场方程中的质量参数等于零时,我们才得到具有局域能量密度和有限总能量的精确正则解(类孤子解)。除此之外,总电荷和总自旋是有界的。我们也证明了在线性情况下,类孤子解是不存在的。但在平坦时空中,得到的解是类孤子构型。因此,基本粒子的固有引力场、度规的几何性质和拉格朗日密度中的非线性项对于得到局域能量密度和有限总能量的正则解起着至关重要的作用。
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引用次数: 7
Microscopic Manifestations of the Wave Nature and the Fifth Fundamental Field 波动性质的微观表现与第五基本场
Pub Date : 2019-12-07 DOI: 10.11648/J.IJAMTP.20190504.12
L. Moukala
In Quantum Mechanics, one knows that the wave function interpretation is probabilistic. We previously established that any particle scalar field is the cause of its existence. Here, one examined the plane solution regarding a moving particle in vacuum, through the relativistic formalism. It appeared the following. (i) The solution presents four alternatives, like in Dirac unified formalism; when searching stationary solutions of the system vacuum-particle or the system vacuum-antiparticle. (ii) Considering the former, each spinner component shows the interaction of one particle charge with three vacuum fermions of spin-½; each oriented along one space direction. Furthermore, this allows deducting the triple nature of any gauge fermion. (iii) Each solution case is definable with a same wave front width. This determination became possible from the vector companion of that wave function one introduced before. Here, this points out the existence of transverse time. (iv) Both functions let emphasizing the existence of a third fundamental field of long range, which is identifiable to the fundamental spin field. (v) This unites the particle spin and orbital momenta and bears in addition a magnetic-like field, which is yet unknown. (vi) According to the charge, a particle field is observable in wave phenomena, from the manifestations of its gauge fermions or gauge bosons; when ejected from their stationary states by a perturbation… At last, the results highlight the quantum composition of wave functions, the spin-field patency, and the wave nature manifestation from five differentiable fields.
在量子力学中,我们知道波函数的解释是概率的。我们之前已经确定,任何粒子的标量场都是其存在的原因。在这里,一个人通过相对论的形式主义检验了真空中运动粒子的平面解。事情是这样的。(i)解决方案有四种选择,如狄拉克统一形式主义;在寻找系统真空-粒子或系统真空-反粒子的固定解时。(ii)考虑前者,每个自旋分量表示一个粒子电荷与三个自旋为- 1 / 2的真空费米子的相互作用;每个都沿着一个空间方向。此外,这允许演绎任何规范费米子的三重性质。(iii)每个解情况都可以用相同的波前宽度来定义。从之前介绍过的波函数的伴生向量中可以确定。这里,它指出了横向时间的存在。(四)这两个函数都强调存在第三个长距离基本场,这是基本自旋场可以识别的。(v)这将粒子自旋和轨道动量结合起来,并附带一个尚不清楚的类磁场。(vi)根据电荷,粒子场在波动现象中是可观察到的,从它的规范费米子或规范玻色子的表现;最后,从五个可微场出发,重点讨论了波函数的量子组成、自旋场的开放以及波的性质表现。
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引用次数: 0
Forced Nutation for Rigid Earth Model with Different Theories 不同理论下刚性地球模型的强迫章动
Pub Date : 2019-09-23 DOI: 10.11648/J.IJAMTP.20190503.16
M. Soliman, H. Selim, I. A. Hassan
Where Earth is not strictly rigid body but can responds to any effects that tend to its rotation and shape, we will explain, in the present paper, the goal which is to define the forced nutation for a rigid Earth model using two different theories. We will formulate a first order Hamiltonian of a deformable Earth for its rotational motion around the Sun through the contribution of triaxial symmetry of the Earth. The formulation of the theory will be formed twice times. Firstly, deduce the tidal affect’s forces by Luni - Solar attraction coupling with the Earth’s geopotential force. Secondly, through the formulation, we will neglect the coupling between the different effects (the geopotential Earth force effect and the Luni - Solar attraction force), so, we will find the transform of the Hamiltonian for each force separately. The analytical solution for the formulated Hamiltonian will be derived for the two cases by using perturbation technique of Lie - Hori series. Once can get the analytical solution by getting the generation function, we will derive the nutation series analytically and numerically for each case and conclude over the results.
地球不是严格刚体,但可以响应任何倾向于其旋转和形状的影响,我们将在本文中解释,目标是使用两种不同的理论来定义刚性地球模型的强迫章动。我们将通过地球的三轴对称性的贡献,给出可变形地球绕太阳旋转运动的一阶哈密顿量。理论的提法将形成两次。首先,通过太阳引力与地球位势力的耦合推导出潮汐效应的力。其次,通过公式,我们将忽略不同作用之间的耦合(地球势能作用和鲁尼-太阳引力),因此,我们将分别找到每种力的哈密顿量的变换。利用李和利级数的摄动技术,导出了这两种情况下的哈密顿公式的解析解。一旦通过生成函数得到解析解,我们将对每种情况进行解析和数值推导章动级数,并对结果进行总结。
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引用次数: 0
A Proof on the Conjecture of Twin Primes 孪生素数猜想的一个证明
Pub Date : 2019-09-20 DOI: 10.11648/J.IJAMTP.20190503.15
Zhang Yue
Although the mathematicians all over the world offered hard explorations of more than one hundred years, the proof of using pure mathematical theories on the conjecture of twin primes has not born in the world. This paper is trying to apply computer program to prove that corresponding to infinite primes p, there are infinite p+2 primes. As a mathematical proof, the paper uses the concept of mapping to connect the computer program and the pure mathematical theory. With the requirement of a mathematical proof, in accord with the restriction of the integer of which the computer allows to take, an assumption is suggested, and on the basis of it, using the program of C language the paper presents, or regarding the C program as the mapping from infinite p primes to infinite p+2 primes, the paper proves that corresponding to infinite primes p, there are infinite p+2 primes; namely, the conjecture of twin primes is true.
尽管世界各国数学家进行了一百多年的艰苦探索,但世界上并没有出现用纯数学理论证明孪生素数猜想的方法。本文试图用计算机程序证明与无穷素数p相对应的有无穷个p+2个素数。作为一种数学证明,本文用映射的概念将计算机程序与纯数学理论联系起来。根据数学证明的要求,根据计算机允许取整数的限制,提出了一个假设,并在此基础上,用C语言编写程序,或把C语言程序看作无穷p素数到无穷p+2素数的映射,证明了无穷素数p对应有无穷p+2素数;也就是说,孪生素数的猜想是正确的。
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引用次数: 0
期刊
International Journal of Applied Mathematics and Theoretical Physics
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