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  • 实事求是的质疑是原始创新的正确道路

    Subjects: Physics >> General Physics: Statistical and Quantum Mechanics, Quantum Information, etc. submitted time 2023-08-01

    Abstract: The preprint platform established by the Chinese Academy of Sciences is not only an effective supplement to scientific journals, but also a special platform for innovation. The exploration for basic scientific principles is of great significance. Einstein said, "Science is not and never will be a finished book."  “Every major achievement brings new problems. In any development, new and serious difficulties arise over time.” Einstein's most respected mentor Lorentz said: "Nature is very complex, existing understanding is not the simplest, the most perfect", so "new ideas should be encouraged rather than suppressed by others"; "various basic theoretical approaches should be explored by different researchers at the same time". This paper holds that: neither humble nor overbearing speculation nor realistic questioning are the correct way of original innovation. The ability to be more tolerant of new ideas is a unique advantage of the preprint platform. This paper suggests that the current review system should be changed to a review system for papers that involve the fundamental foundations of physics, and inviting experts in related fields to write a comment for the preprint manuscript will help attract more scholars to participate in the debate. In doing so, it will help build the preprint platform from an online medium to a practical center for "rational questioning, engaging debate, deep thinking and driving innovation."
     

  • The comparison between Lorentz transformation and electrodynamics

    Subjects: Physics >> General Physics: Statistical and Quantum Mechanics, Quantum Information, etc. submitted time 2023-06-29

    Abstract: Einstein made it very clear that special relativity came from Maxwell electrodynamics; Feynman spoke extreme highly of Maxwell electrodynamics. Since both theories involve electromagnetic fields of uniformly moving charges, it is reasonable and necessary to compare Lorentz transformation with electrodynamics.  The results of comparison are as follows: the correct electromagnetic field of uniform moving charge is obtained by electrodynamics without any hypothesis, all the reasoning processes are in line with the accepted logic law and the accepted empirical facts, and the conclusion is rigorous and reliable; Lorentz transformation can also be used to find the electromagnetic field of uniform moving charge, but it uses two assumptions - "the principle of constancy of light speed" and "the principle of relativity", these two assumptions have logical errors, the resulting ruler and clock are virtual mathematical expressions, not real physical space-time.
     

  • The principle and method to detect the gravitational wave by a three-axis interferometer

    Subjects: Physics >> General Physics: Statistical and Quantum Mechanics, Quantum Information, etc. submitted time 2023-05-25

    Abstract: LIGO and VIRGO have already measured several gravitational waves, it is a historic breakthrough. However, the two optical arms of the interferometer are limited to the ground plane, so it is difficult to obtain the position of the mass source of the gravitational wave in three-dimensional space. In this paper, a three-dimensional detection scheme is proposed, which uses a three-axis interferometer to detect gravitational waves and their mass sources. In this paper, the interference equation of the three-axis interferometer is derived and a new principle of gravitational wave detection is given. According to the equations, the speed of the mass source that excites the gravitational wave and the coordinate of the mass source on the celestial sphere can be determined, which is of great significance for the study of the whole process of the excitation and propagation of the gravitational wave.
     

  • The light path difference observed by LIGO proves that the retarded gravitational waves are anisotropic

    Subjects: Physics >> General Physics: Statistical and Quantum Mechanics, Quantum Information, etc. submitted time 2023-05-18

    Abstract: In 2015, LIGO detected the first gravitational waves, thought to be the result of two black holes merging,it is a major  breakthrough in exploration for a century. The mainstream physical interpretation of the optical path difference recorded by the interferometer is that, due to the polarization characteristics of the quadrupole moment, the two optical arms of the Michelson interferometer are stretched and compressed respectively, resulting in different deformation, and then resulting in the optical path difference. This article proposes a different understanding. We have proved that the electromagnetic wave emitted by a moving source charge is anisotropic and travels at different speeds in different directions. Extending this idea to gravitational waves leads to a natural corollary: retarded gravitational waves from sources of moving mass are anisotropic, that travel at different speeds in different directions, resulting in a wave path difference. This physical picture is natural and clear, which seems more reasonable.
     

  • The speed of electromagnetic wave emitted by a moving source charge

    Subjects: Physics >> General Physics: Statistical and Quantum Mechanics, Quantum Information, etc. submitted time 2023-05-04

    Abstract: We have proved that the D 'Alembert wave equation in vacuum is derived under the condition that the source and the observer is relatively stationary. Therefore, “the source and the observer is relatively stationary" is a necessary condition for "the principle of constancy of electromagnetic wave speed ". It is inevitable to ask: if there is relative speed between source and observer, what should the propagation speed of electromagnetic wave be? According to the Lienard-Wiechert retarded potential theory, when there is a relative motion between the source and observer, the retarded potential will be related to this relative speed. It is pointed out in this paper that this is equivalent to the change of dielectric constant and permeability in vacuum, becoming equivalent dielectric and equivalent permeability. The calculation shows that the equivalent permittivity and the equivalent permeability are anisotropic in the vacuum with relative motion between source and observer. The result derived in this paper is that the propagation speed of electromagnetic wave is equal to the algebraic sum of the electromagnetic wave velocity at relative rest and the components of the relative motion along the propagation direction of the electromagnetic wave. This result accords with the human experience and the accepted logic law. It is natural and reasonable.

  • The method to measure the speed of magnetic field with electron gun and magnetometer

    Subjects: Physics >> General Physics: Statistical and Quantum Mechanics, Quantum Information, etc. submitted time 2023-04-18

    Abstract: The principle of constancy of light speed is the most important hypothesis of special relativity. According to Einstein's scientific law, all theories must conform to empirical facts, therefore, to find an accurate experimental method to measure the speed of electromagnetic field or electromagnetic wave is a major subject in physics. This paper presents an experimental method to measure the speed of magnetic field by electron beams with different energies and magnetometers set in different orientations. The core idea is to find out the corresponding time intervals between the exciting electron and the excited magnetic field. If the measured the difference of the speed of magnetic field is very small, it proves that the velocity of electromagnetic field is indeed independent of the velocity of source charge and source current, the principle of the constancy of light speed is valid, otherwise it proves that the principle of the constancy of light speed is not valid.

  • The physical picture to understand the propagation of electromagnetic wave acurately

    Subjects: Physics >> The Physics of Elementary Particles and Fields Subjects: Physics >> Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics submitted time 2023-04-10

    Abstract: In this paper, the whole process of derivation of D 'Alembert wave equation is reviewed. The most important step is to derive D 'Alembert wave equations of scalar potential and vector potential by using Gauss's law and Ampere's law. This paper emphasizes that Gauss's law is the differential form of Coulomb's law, where the charge source and the observer are relatively static; In Ampere's law, the carrier of current source and the observer are also relatively static. The conclusion of this paper is that both Maxwell's equations and D 'Alembert's wave equation are equations under the condition of source-observer relative resting, and the constant 'C' in D 'Alembert's wave equation is the propagation speed under the condition of source-observer relative resting in vacuum environment. Under such special conditions, the propagation space of electromagnetic wave is uniform and isotropic, so it is logical that the electromagnetic wave propagates at the same speed regardless of the distance and azimuth between source and observer, and regardless of the absolute motion of the laboratory on which planet the source and observer are located. The electromagnetic wave in vacuum is emitted from the charge source and the current source, and propagates to observers everywhere. The source-observer is relatively static,the propagation space of electromagnetic wave is uniform and isotropic, this is an accurate physical image, which is the physical basis for accurately understanding the principle of the constant speed of light.

  • 比较洛伦兹变换和推迟电磁场的独立实验

    Subjects: Physics >> The Physics of Elementary Particles and Fields Subjects: Physics >> Geophysics, Astronomy, and Astrophysics submitted time 2016-06-16

    Abstract:洛伦兹变换的时间膨胀是真实的物理效应还仅是数学的等效关系?本文提出一种独立实验方案,可在实验室坐标系比较和鉴别狭义相对论与 Lienard-Wiechert 推迟电磁场理论的物理真实性。 令一个高速运动电荷先后穿越两个相邻的皆配置有电场仪的屏蔽室;一方面可根据两种时空观分别计算出‘运动电荷的位置随时间变化’的理论曲线;另一方面可根据电场仪记录准确判断‘电荷位于第一个屏蔽室或第二个屏蔽室的时段’。将关于电荷位置的两条理论曲线与电场仪记录的实验曲线比较,即可判定何种理论符合自然实际。