arXiv subjects

Mei Xiaochun

Publications and source records attributed to Mei Xiaochun.

At least 19 recordsLinked to original sources

arXiv2011

The Precise Inner Solutions of Gravity field Equations of Hollow and Solid Spheres and the Theorem of Singularity

In the present calculation of the inner solution of gravity field equation with spherical symmetry, in order to avoid the singularity appearing in the center of sphere, we actually let the integral constant to be zero. It is proved in this paper that the constant can not be zero. The metric of inner gravity field of hollow sphere is calculated at first. Then let the inner radius of hollow sphere become zero, we obtain the metric of inner gravity field of solid sphere. Based on the definition of energy momentum tensor of general relativity, the gravity masses of hollow and solid spheres in curved space are calculated strictly. The results indicate that no matter what the masses and densities of hollow sphere and solid sphere are, space-time singularities would appear in the centers of spheres. Meanwhile, no matter what the mass and density are, the intensity of pressure at the center point of solid sphere can not be infinite. That is to say, the material can not collapse towards the center of so-called black hole. In stead, it may be that there exist the spherical surfaces of infinite pressure inside the hollow and solid spheres, and material would collapse toward the surfaces so that the common spheres are unsteady. At the center of solid sphere and on its neighboring region, pressure intensities would become negative values. There may be a region for hollow sphere in which pressure intensities would become negative values too. The results only indicate that the singularity black holes predicated by general relativity are caused by the descriptive method of curved space-time and can not exist in nature actually. If black holes exist really in the universe, they can only be the Newtonian black holes, not the Einstein's black holes.

physics.gen-ph↗

arXiv2010

The R-W Metric Has No Constant Curvature When Scalar Factor R(t) Changes With Time

The real physics meaning of constant k in the Robertson-Walker metric is discussed when scalar factor R(t) is relative to time. Based on the curvature formula of the Riemannian geometry strictly, the spatial curvature of the R-W metric is calculated. The result indicates that the spatial curvature of the R-W metric is not a constant when R(t) changes with time and the constant in the R-W metric k does not represent spatial curvature factor. It can only be considered as an adjustable parameter relative to the Hubble constant. The result is completely different from the current understanding which is based on specious estimation actually, in stead of strict calculation. In light of this result, many conclusions in the current cosmology, such as the values of the Hubble constant, dark material and dark energy densities, should be re-estimated. In this way, we may get rid of the current puzzle situation of cosmology thoroughly.

physics.gen-ph↗

arXiv2010

The Motion Equations of Cosmology Need Relativity Revision

The motion equation of standard cosmology, the Friedmann equation, is based on the stein's equations of gravitational fields. However, British physicist E. A. Milne pointed in 1943 that the same equation could be deduced simply based on the Newtonian theory of gravity. It means that the Friedmann equation, in stead of the motion equation of relativity, is actually the Newtonian one in essence. The reason is that two simplified conditions are used in the deduction of the Friedmann equation. One is the Robertson-Walker metric and another is static energy momentum tensor. It is proved that in light of the R-W metric, the velocity of light emitted by celestial bodies in the expansive universe would satisfy the Galileo's addition rule. So what the R-W metric describes is unsuitable to be taken as the space-time structure of relativity cosmology. On the other hand, because there are relative velocities between observer and material in the expensive universe actually, we should consider dynamic energy momentum tensor in cosmology. The Friedmann equations need relativity revision. In this way, some deductions of current cosmology, such as the values of Hubble constant, dark material and dark energy densities and so on, should be re-estimated. The possible form of relativity metric for cosmology is proposed at last. It is proved strictly based on the Einstein's equation of gravity that the space-time of the expansive universe can not be flat. In this way, by establishing cosmology on the really rational foundation of relativity, we may get rid of the current puzzle situation of cosmology thoroughly.

physics.gen-ph↗

arXiv2010

Restriction Condition of Gauge Transformation that Motion Equation of non-Abelian Gauge Field Must satisfy and Elimination of Higgs Mechanism

In the current theory of non-Abelian gauge field, we only claim the invariability of Lagrangian, without claim the invariability of the motion equation. This is inconsistent and irrational. It is proved that a restriction relation between gauge potentials and group parameters must be satisfied in order to ensure the gauge invariability of the motion equation of non-Abelian gauge field, and the restriction relation is equivalent to the Faddeev--Popov theory. The result leads to that the completely local gauge invariability is violated but there still exists the incompletely local gauge invariability. After the restriction relation is considered, the mass item of the non-Abelian gauge fields can be added into the Lagrangian and motion equation directly without violating gauge invariability. The corresponding W,T identity is obtained and the theory is still renormalizable. In this way, the Higgs mechanism becomes unnecessary. It means that we can reach a coincident theory without the hypothesis of the Higgs particles again. The description of the stander theory of particle physics can also be simplified greatly and the problem of CP violation in strong interaction can also be solved thoroughly.

physics.gen-ph↗

arXiv2010

The Current C, T Transformation Rules of Quantum Field Theory Must be Redefined

In light of the transformation defined in the current quantum field theory, electromagnetic interaction is unchanged under time reversal. However, this kind of time reversal only lets in the Hamiltonian of the coordinate space, without considering that the creation and annihilation processes of particles should also be reversed when the concrete problems are calculated in momentum space. In fact, according to the current transformation of quantum field theory, creation operator of spinor particle is still creation operator and annihilation operator is also still annihilation operator. This result does not represent the real meaning of time reversal. In the interaction process, a particle's creation operator should become the annihilation operator and its annihilation operator should become the creation operator after time reversal. It is proved that when the reversion of creation and annihilation processes is considered in momentum space, under the condition of high energy, a great symmetry violation of time reversal would be caused in some low order processes of electromagnetic interaction just as the Compton scattering in which the propagation lines of fermions are contained. This result contradicts with the experiments of particle physics and is impossible. Meanwhile, it is proved that the normalization processes of the third order vertex angles of electromagnetic interaction also violate time reversal symmetry, no matter in the coordinate space or in the momentum space. But the symmetry violation is small with a magnitude order about 10(-5). The similar problems exist in the current C transformation of quantum field theory. The C transformation of creation and annihilation operator can not be consistent with the C transformation of spinor particle's wave functions in momentum space. We can obtain the correct C transformation of creation and annihilation operator, but can not obtain the correct C transformation of wave functions in momentum space. Therefore, the current rules of C,T transformations in quantum field theory has serious defect and should be redefined.

physics.gen-ph↗

arXiv2010

A More Rational and Perfect Scheme for C, P, T Transformations as well as C, T and CP Violations in the Regularization and Renormalization Processes of High Order Perturbations

Based on the original meanings of C, P, T transformations, a more perfect and rational scheme is advanced. According to new scheme, the propagation function of Femion would change a negative sign under C, T transformations, while that of boson does not. When the C, P, T transformations of transition probabilities are calculated, the results are similar to the current theory if the renormalizations of high order processes are not considered. When mass renormalizations are taken into account, for some high order perturbation processes of electromagnetic interaction, C, T violations would be caused. Meanwhile, the renormalization process of a single third order vertex angle of electromagnetic interaction in momentum space also would violate P symmetry, which leads to parity non-conservation for some high order electromagnetic decays. But in the coordinate space for the sum of all third order vertex angle processes, P symmetry still holds. Under the united CPT transformation, the Hamiltonians of strong, weak and electromagnetic interactions in the coordinate space are invariable with a completely symmetrical form. The Compton scattering of positive electron is suggested to verify the existence of C violation in the high order mass renormalization processes of electromagnetic interaction. The T violation in renormalization process can be used to explain the reversibility paradox in the non-equilibrium evolution processes of macro-systems. The CP violation may also be used to explain the problem of positive and anti-material's asymmetry in our university.

physics.gen-ph↗

arXiv2009

The Calculations of Gravity Fields and Rotation Curves of Whirlpool Galaxies and Dark Material

The gravity fields and rotation curves of whirlpool galaxies with thin disc distribution of material are calculated numerically. It is proved that the gravity field of mass thin disc distribution is greatly different from that of spherically symmetrical distribution. As long as the Newtonian theory of gravity is used strictly, by the proper mass distributions of thin discs, the flat rotation curves of whirlpool galaxies can be explained well. The rotating curve of the Milky Galaxy is obtained which coincides with practical observation. In this way, it is unnecessary for us to suppose the existence of additional dark material in the illuminant discs of whirlpool galaxy again. Meanwhile, in the space outside the illuminant disc, the quantity of dark material needed to maintain the flatness of rotation curves is greatly decreased. By considering the observation fact that the quantity of non-luminous baryon material is 3~10 times more than luminous material, we can explain the flatness of rotation curves of whirlpool galaxies well without the hypotheses of non-baryon dark material. So it is unnecessary for us to suppose that non-baryon dark material is about 5 times more than baryon material in a single whirlpool galaxy, no mater whether non-baryon dark material exits or not.

physics.gen-ph↗

arXiv2008

Retarded Interaction of Electromagnetic field and Symmetry Violation of Time Reversal in Non-linear Optics

Based on Document (1), by considering the retarded interaction of radiation fields, the third order transition probabilities of stimulated radiations and absorptions of light are calculated. The revised formulas of nonlinear polarizations are provided. The results show that that the general processes of non-linear optics violate time reversal symmetry. The phenomena of non-linear optics violating time reversal symmetry just as sum frequency, double frequency, different frequencies, double stable states, self-focusing and self-defocusing, echo phenomena, as well as optical self-transparence and self absorptions and so on are analyzed.

physics.gen-ph↗

arXiv2008

Retarded Interaction of Radiation Field and Symmetry Violation of Time Reversal in the High order Stimulated Radiation and Absorption Processes of Light

It is proved that when the retarded effect (or multiple moment effect) of radiation fields is taken into account, the high order stimulated radiation and stimulated absorption probabilities of light are not the same so that time reversal symmetry would be violated, though the total Hamiltonian of electromagnetic interaction is still unchanged under time reversal. The reason to cause time reversal symmetry violation is that certain filial or partial transitive processes of bounding state atoms are forbidden or can not be achieved actually due to the law of energy conservation, the asymmetric actions of effective transition operators before and after time reversal, as well as the special states of atoms themselves. These restrictions would cause the symmetry violation of time reversal of other filial or partial transition processes which can be actualized really. The symmetry violation is also relative to the initial state asymmetries of bounding atoms before and after time reversal. For the electromagnetic interaction between non-bounding state atoms and radiation field, there is no this kind of symmetry violation of time reversal. In this way, the current formula of light stimulated radiation and absorption parameters with time reversal symmetry should be revised. The influence of time reversal symmetry violation on the foundational theory of laser is also discussed and the phenomena of non-population inversion and non-radiation transition can also be explained well. In this way, a more reliable foundation can be established for the theories of laser and nonlinear optics in which non-equilibrium processes are involved.

physics.gen-ph↗

arXiv2007

The Absolutism of Space and Time with Variable Scalars and Gravitational Theory as well as Cosmology Established in Flat Reference Frame (1)

The Einstein theories of space-time and gravity as well the stander cosmology are reconstructed thoroughly in this paper based on flat reference frame. The rational parts of the Einstein theories are reserved while the irrational parts including space-time paradoxes and singularities and so on are eliminated completely. A more rational the theory of space-time, gravitation and cosmology is established. By transforming the geodesic equation described by the Schwarzschild solution of the Einsteins equation of gravitational field into flat reference frame for of gravitational field, it is provdescription, the revised formulas of the Newtonian gravitation is obtained. Based on the formulas, all experiments which support general relativity can also be explained well, but the theory has no any space-time singularity and other strange characters which exist in general relativity. It is pointed that there exists logical difficulties to use the equivalent principle to explain spectrum gravitational redshift actually. The new formula of gravitational redshift and the revised Doppler formula of redshift when light source moves in gravitational field are deduced. Based on the Schwarzschild solution of the Einstein equation field, it is proved that the speed of light would change and the isotropy of light speed would be violated in gravitational field with spherical symmetry. It is suggested to use the method of the Michelson Morley interference to verify the change of light speed and the violation of isotropy in the gravitational field of the earth. This experiment can be considered as a new verification for general relativity in the weak gravitational field with spherical symmetry. The theory may also be used to explain so-called the Pioneer Anomaly which the Einstein theory of gravitation can not do.

physics.gen-ph↗

arXiv2007

The Absolutism of Space and Time with Variable Scalars and Gravitational Theory as well as Cosmology Established in Flat Reference Frame (2)

physics.gen-ph↗

arXiv2006

A Test to Verify the Speed Change of Light in the Gravitational Field of the Earth

Based on the Schwarzschild solution of the Einstein equation of gravitational field, it is proved that the speed of light speed would change and isotropy of light speed would be violated in gravitational field with spherical symmetry. On the surface of the earth, the speed of light vertical to the surface is 0.2m/s less than that parallel to the surface. It is suggested to use the method of the Michelson Morley interference to verify the change of light speed and the violation of isotropy in the gravitational field of the earth. In the proposed experiment, one arm of interferometer is vertical to the earth surface while another is parallel to the surface. When two arms are turned over 90 degree, the shift of about 0.07 interference stripe would be caused which can be observed directly. So this experiment can be considered as a new verification for general relativity in the gravitational field with spherical symmetry. If the experiment shows that gravitation would change the speed of light and violate the isotropy of light speed, the result would cause great effects on foundational physics, astrophysics and cosmolo

physics.gen-ph↗

arXiv2006

Rationality Problems of the Principles of Equivalence and General Relativity

It is pointed out that at present we only prove that inertial static mass and gravitational static mass are equivalent. We have not proved that inertial moving mass and gravitational moving mass are also equivalent. It is proved by the dynamic effect of special relativity that inertial moving mass and gravitational moving mass are not equivalent. Besides, it can be proved that the principle of general relativity is untenable. It is only an apparent felling of mankind actually. Therefore, there exists serious defect in the foundation of the Einsteins theory of gravitation. We need to renovate our basic idea of space-time and gravity.

physics.gen-ph↗

arXiv2006

Asymmetrical Path Interference Test of Light

The asymmetrical path interference test of light is put forward in the paper. In the test, two different results would arise under the same experimental conditions if light is regarded as wave or particle. Therefore, the test can help us to comprehend which concept, wave or particle, is more essential for micro-particles.

physics.gen-ph↗

arXiv2006

Several New Cases Violating Time Reversal Symmetry In the Processes of Particle Interactions

It is pointed that we now actually have no enough proofs to prove that time reversal symmetry is universally obeyed in the processes of particle interactions. The analyses show that the time reversal symmetry is obviously violated at least in the decay processes of particles, especially in the decay processes of strange particles, and some resonance states with only one middle resonance particle to appear, as well as the annihilation processes of particle pairs. So the phenomena of violating time reversal symmetry may exist commonly in the interaction processes between particles.

physics.gen-ph↗

arXiv2006

Absoluteness of Velocity Produced by Accelerating Process and Absolute Space-time Theory with Variable Scales

It is proved by means of the dynamical effects of special relativity that velocity caused by accelerating process is not a relative concept. The influence of accelerating process should be considered in space-time theory. Besides the Newtonian absolute space-time theory with invariable space-time scales and the Einstein relative space-time theory with variable space-time scales, there exists the third space-time theory, i.e., the absolute space-time theory with variable space-time scales. At present, special relativity is divided into two parts, kinematics and dynamics. In kinematics, force and acceleration are not considered so that space and time becomes relative concepts. This division is completely artificial and irrational. The rational space-time theory should be established on the foundation of dynamics consistently. The changing rules of space, time and mass with speed should be dependent of accelerating processes and with absolute significance. The real meaning of invariability principle of high speed should be that we can not make the speed of an object speed with rest mass reach and exceed the speed of light in vacuum by the method of accelerating object. It is proved that the absolutely resting reference frame exists. In order to eliminate multifarious space-time paradoxes in special relativity, and coincide with Big-bang cosmology, the absolutely resting frame is necessary. A method is put forward to look for the absolutely resting reference frame. The isotropy reference frame of cosmic microwave background radiation can be regarded as the absolutely resting reference frame actually at present.

physics.gen-ph↗

arXiv2005

Invariability Conditions of Motion Equations of non-Abelian Gauge Fields and Elimination of Higgs Mechanism

It is proved that in order to keep both the Lagrangian and the motion equation of non-Abelian gauge fields unchanged under the gauge transformation simultaneously, a certain restriction conditions should be established between the gauge potentials and the group parameters. The result is equivalent to the Faddeev--Popov theory. For non-Abelian gauge fields, it leads to the result that the gauge potentials themselves are unchanged under gauge transformations. In this way, the mass items can be added into the Lagrangian directly without violating gauge invariability and the theory is also renormalizable so that the Higgs mechanism becomes unnecessary. The description of gauge theory also becomes more symmetrical and simple.

physics.gen-ph↗

arXiv2003

Retarded Electromagnetic Interaction and Origin of Non-linear Phenomena in Ferroelectrics, Ferromagnetics and Optics

The non-linear relations between polarization strength and electric field strength for ferroelectrics, as well as magnetization strength and magnetic field strength for ferromagnetics, can be achieved by introducing retarded electromagnetic interactions. The electric and magnetic hysteretic loops, as well as polarization and magnetization curves, can be described well based on soft mode theory in the alternating electromagnetic fields of low and medium frequencies. The fundamental phenomenological formula in non-linear optics can also be obtained in high frequency fields. The results show that all of these non-linear phenomena originate from retarded electromagnetic interaction.

physics.gen-ph↗