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SCIREA Journal of Physics — Open Access Journal

SCIREA Journal of Physics is an international, scientific peer-reviewed open access journal published online by SCIREA.

Open Access free for readers, with article processing charges (APC) paid by authors or their institutions.

High visibility: Indexed in the Google Scholar and other databases.

Rapid publication: manuscripts are peer-reviewed and a first decision provided to authors approximately 20 days after submission; acceptance to publication is undertaken in 5 days.

Recognition of reviewers: reviewers who provide timely, thorough peer-review reports receive vouchers entitling them to a discount on the APC of their next publication in any SCIREA journal, in appreciation of the work done.

Archiving

Volume 6, Issue 5, October 2021

Open Access
Joko Pamungkas, Harry Budiharjo Sulistyarso, Indah Widiyaningsih, Hanqenina Damayanti
Abstract: Increasing oil recovery factor can be done by draining the residual oil in the reservoir (Sor), by using Microbial Enhanced Oil Recovery (MEOR). This research was conducted using “U-Champ” biosurfactants which derived from microorganisms that can reduce oil viscosity and interfacial tension (IFT) between oil and brine. The [...] Read more.
Abstract      ReferencesPDF (344 K)   September 5, 2021     8 Downloads    243 Views

Volume 6, Issue 4, August 2021

Open Access
Emmanuel Saucedo-Flores
Abstract: An in depth look to the quantum behavior of a particle in a unidimensional finite, square box of potential energy is presented. Wave function normalization constants are fully determined and are used to establish an expression to calculate the particle allowed energy eigenstates based in the confinement condition for each o [...] Read more.
Abstract      ReferencesPDF (1286 K)   June 21, 2021     16 Downloads    376 Views
Open Access
Petro Sаvenko
Abstract: A brief overview of the works of the author and his co-authors on the application of nonlinear analysis methods for solving the nonlinear inverse problems (synthesis problems) for optimizing the different types of radiating systems are presented in the paper. The synthesis problem are formulated in variational statements an [...] Read more.
Abstract      ReferencesPDF (2441 K)   August 29, 2021     8 Downloads    181 Views

Volume 6, Issue 3, June 2021

Open Access
V.A. Rudakov
Abstract: Critical notes on the interval invariant and Lorentz transformations are presented. Their internal inconsistency is shown when considering the same processes from different frames of reference. The results of Sagnac's experiments with a ring interferometer are discussed. It is concluded that the Lorentz transformations inco [...] Read more.
Abstract      ReferencesPDF (250 K)   May 24, 2021     28 Downloads    407 Views
Open Access
W.Z. Shangguan, Z.Cai, Z. Q. Huang, JiaWen Mo, XiangZhong Wei
Abstract: A new understanding to the origin of superconductivity in hydrogen-rich materials under high pressure is presented in this paper. Applying sufficiently high pressure to a material makes its constituent atoms get close enough so that the “close-shell inversion” effect takes place, which in turn results in superconducting sta [...] Read more.
Abstract      ReferencesPDF (407 K)   May 31, 2021     30 Downloads    338 Views

Volume 6, Issue 2, April 2021

Open Access
Stuart Boehmer
Abstract: We discuss what a black hole in nature really probably is: just an extremely massive and dense neutron star with no singular interior region or an actual event horizon; these are just mathematical abstractions which probably do not exist in reality. [...] Read more.
Abstract      ReferencesPDF (89 K)   May 22, 2021     17 Downloads    274 Views

Volume 6, Issue 1, February 2021

Open Access
Stuart Boehmer
Abstract: We solve the problem of rigid motion in special relativity in completeness, forswearing the use of the 4-D geometrical methods usually associated with relativity, for pedagogical reasons. We eventually reduce the problem to a system of coupled linear nonhomogeneous ordinary differential equations. We find that any rotation [...] Read more.
Abstract      ReferencesPDF (370 K)   April 19, 2021     40 Downloads    317 Views

Volume 5, Issue 6, December 2020

Open Access
Emmanuel Saucedo-Flores
Abstract: Over 20 physical definitions of the Sommerfeld or fine-structure constant α are derived using sine functions plots of a few H atom-related parameters; the presence of the particle-wave duality in most of the derived expressions is indicated. Five expressions for the electron charge to mass ratio are also established. An app [...] Read more.
Abstract      ReferencesPDF (1026 K)   December 8, 2020     138 Downloads    752 Views

Volume 5, Issue 5, October 2020

Open Access
Lei Qiang, Songyan Li
Abstract: This paper has reviewed the recent research progress on the application of thin-film transistors in pH sensors, specifically on aspects related to the structures and materials, including active channels and the top gate dielectrics. Results indicate that the pH sensitivity can be promoted by the utilization of specific stru [...] Read more.
Abstract      ReferencesPDF (213 K)   September 25, 2020     146 Downloads    700 Views
Open Access
Lei Qiang
Abstract: Interface defect states of polycrystalline silicon thin-film transistors (poly-Si TFTs) play important role in the degradation of subthreshold characteristics. In this paper, an investigation of interface states is taken on, results show that both the threshold voltage and the difference between the threshold vo [...] Read more.
Abstract      ReferencesPDF (240 K)   October 11, 2020     135 Downloads    691 Views
Open Access
Emmanuel Saucedo-Flores
Abstract: Abstract: New expressions in terms of the proton charge radius are derived for the Sommerfeld or fine-structure constant, the proton to electron mass ratio and the elementary particles Wirkungsquanta. Through the derivation of these expressions, it was found that a small correction factor was needed to be applied on the cur [...] Read more.
Abstract      ReferencesPDF (231 K)   October 11, 2020     128 Downloads    834 Views

Volume 5, Issue 4, August 2020

Open Access
Vitaly Antonovich Tolkachev
Abstract: Abstract: Quantum-mechanical microscopic reversibility of vibronic transitions and Boltzmann thermal distribution of the initial (starting) states substantiate method to obtain pure-electronic transition frequency from diffuse absorption or emission spectra. It is shown, that the information is obtainable immediately from l [...] Read more.
Abstract      ReferencesPDF (1031 K)   August 12, 2020     114 Downloads    611 Views
Open Access
Prof. Mikhail KUPRIKOV, Dr. Leonid PONYAEV, Dr. Nikita KUPRIKOV
Abstract: The analysis of the find Optimal Structure of the Large Aircraft and Airship for decrease of Sound/Noise Pressure Level inside and outside the Cabin Saloon are very actually today for Worldwide Ecology Program. The Method of Aircraft layout from the virtual mass center is given, which allows us to obtain the Aircraft layout [...] Read more.
Abstract      ReferencesPDF (285 K)   August 12, 2020     141 Downloads    601 Views

Volume 5, Issue 3, June 2020

Open Access
Jan Slowak
Abstract: The special theory of relativity deals with, inter alia, how two inertial reference systems refer to each other, how the coordinates of events in one of the two reference systems can be calculated using the events coordinates from the other reference system. For this, Lorentz's transformations are used which form the basis [...] Read more.
Abstract      ReferencesPDF (190 K)   August 12, 2020     148 Downloads    706 Views
Open Access
Jan Slowak
Abstract: What happens if we consider two inertial reference systems that communicate with each other with sound signals rather than light signals which are used in the theory of special relativity, SR? [...] Read more.
Abstract      ReferencesPDF (179 K)   August 12, 2020     115 Downloads    663 Views

Volume 5, Issue 2, April 2020

Open Access
W. L. Quan, Z. J. Fu, Y. J. Gu
Abstract: Recent experiments respectively performed at Linac Coherent Light Source and at Orion Laser evoke much attention on ionization potential depression (IPD) in dense plasma. In this paper, the validity of six IPD models in the warm dense region is examined, including the ion-sphere (IS) model, the Debye-Hückel (DH) model and t [...] Read more.
Abstract      ReferencesPDF (1881 K)   June 27, 2020     146 Downloads    775 Views

Volume 5, Issue 1, February 2020

Open Access
Zhaoyan Wu
Abstract: From a geometric perspective, we proved the following conclusions, that are against mainstream scholars’ viewpoint. (i) Vanishing of the covariant divergence of matter energy­ momentum flux density in entire spacetime is a conservation law of matter energy-momentum. It reads the net increase of matter energy-momentum in any [...] Read more.
Abstract      ReferencesPDF (363 K)   May 10, 2020     144 Downloads    868 Views

Volume 4, Issue 6, December 2019

Open Access
Liu Taixiang
Abstract: the model of proton, the model of neutron, the model of nucleus, the model of atom, the model of molecule, boundary conditions of a stable nucleus, the decay of proton, super-heavy nuclei. [...] Read more.
Abstract      ReferencesPDF (1864 K)   October 23, 2019     144 Downloads    1762 Views
Open Access
Liu Taixiang
Abstract: electron model, neutral field, polar field, the origin of mass, vortex-flux, electron pairs, intrinsic electric field, covariant electric field, room-temperature superconductivity. [...] Read more.
Abstract      ReferencesPDF (768 K)   October 23, 2019     152 Downloads    1643 Views
Open Access
Liu Taixiang
Abstract: Model of gravitational field, Field-domain, Critical field, Stationary attractive region, Stationary repulsive region, Covariant motion equation, Equation of the speed of light. [...] Read more.
Abstract      ReferencesPDF (1023 K)   November 7, 2019     146 Downloads    1515 Views
Open Access
Lisickiy K.E., Dolgov V.I., Lisickaya I.V.
Abstract: A new approach to constructing SPN block symmetric ciphers is presented, which allows random S-blocks to be used in ciphers without sacrificing strength.Its basis is an improved construction of a cyclic transformation constructed using the principles of controlled substitutions, when the results of previous substitution tra [...] Read more.
Abstract      ReferencesPDF (319 K)   November 25, 2019     161 Downloads    1003 Views
Open Access
Adib Akhmetnabievich Gareev
Abstract: Nowadays, the world is facing the depletion of developed reserves and exploitation of fields with poor reservoir features. These factors are forcing oil producers to use low-capacity electric centrifugal submersible pump units (ESP) with pumping pressure of over 2,000 m for oil extraction. The use of such ESP in oil product [...] Read more.
Abstract      ReferencesPDF (769 K)   December 17, 2019     119 Downloads    905 Views
Open Access
Sushil Kumar Choudhary, R.S Jadoun
Abstract: Electric discharge machining (EDM) process generally used for burrs free, less metallurgical damage, stress free and very precise machining and produces mould cavity, deep holes, complex shapes & size by arc erosion in all types of electro-conductive materials. In this process, the metal is removed from the work piece due t [...] Read more.
Abstract      ReferencesPDF (265 K)   December 21, 2019     158 Downloads    1258 Views

Volume 4, Issue 5, October 2019

Open Access
H. Van Cong, P. Blaise, O. Henri-Rousseau
Abstract: The effects of heavy doping and acceptor (donor) size on the electron (hole)-minority saturation current density J_Eo (J_Bo ), injected respectively into the heavily (lightly) doped crystalline silicon (Si) emitter (base) region of p^+-n junction, which can be applied to determine the performance of solar cells, being stron [...] Read more.
Abstract      ReferencesPDF (982 K)   August 10, 2019     199 Downloads    13992 Views
Open Access
E. Casuso, J. E. Beckman
Abstract: We present here an analytical approach to the theoretical model for the time evolution of angular momentum of galaxies presented previously in Casuso and Beckman(2015), where the Coriolis force acting on a galaxy situated at the sur-face of a rotating cosmic void could play an important role in addition to tidal torques amo [...] Read more.
Abstract      ReferencesPDF (448 K)   August 10, 2019     176 Downloads    1639 Views
Open Access
Dailin Li, Guilei Li, Baojun Wei, Dan Yang, Ning Wang, Huafeng Zhu, Hao Ni
Abstract: The contact measurement techniques are typically used in the field of object material classification. It has a lot of disadvantages, such as the complex operation and time-consuming. In this paper, a new non-contact object material identification method based on Convolutional neural networks (CNNs) and polarization imaging [...] Read more.
Abstract      ReferencesPDF (595 K)   August 21, 2019     180 Downloads    1573 Views
Open Access
Liu Taixiang
Abstract: In the Theory of System Relativity, we adopt the research methodology "from small to large" and propose the concepts of the shuon and the cnon based on the assumption of the quantum nature of matter; then, we use the cnon to gradually construct particle models for the photon, electron, proton, atom, and molecule and eventua [...] Read more.
Abstract      ReferencesPDF (712 K)   August 31, 2019     173 Downloads    2749 Views
Open Access
梁世铎
Abstract: 摘要:巴纳德星,ARICNS:视速率为110.8km/s,年自行值10.3角秒(1916年)。SIMBAD:视速率为106.8km/s,年自行值10.31角秒(2000年)。由此得出:2019年巴纳德星观测视速率为105.894km/s。 [...] Read more.
Abstract      ReferencesPDF (331 K)   October 23, 2019     167 Downloads    1813 Views

Volume 4, Issue 4, August 2019

Open Access
H. Van Cong, P. Blaise, O. Henri-Rousseau
Abstract: The effects of heavy doping and donor (acceptor) size on the hole (electron)-minority saturation current density J_Eo (J_Bo ), injected respectively into the heavily (lightly) doped crystalline silicon (Si) emitter (base) region of n^+-p junction, which can be applied to determine the performance of solar cells, being stron [...] Read more.
Abstract      ReferencesPDF (1289 K)   July 15, 2019     198 Downloads    2121 Views
Open Access
HAO Jing-Yuan, LI Dong, Ma Qinghua, ZHANG Xue-Mei
Abstract: A series of isothermal adsorption experimental data of long flame coal, fat coal, lean coal and lean coal in Ordos Basin are used to verify a temperature-pressure-adsorption equation, and the functional relationship between adsorption equilibrium pressure and temperature was discussed. The enthalpy of the gas adsorption pro [...] Read more.
Abstract      ReferencesPDF (566 K)   August 5, 2019     182 Downloads    1701 Views

Volume 4, Issue 3, June 2019

Open Access
ZHANG Xiachang, CAO Zhuo, WANG Zhan
Abstract: Paper batteries have unique application value in many fields because of the advantages of high flexibility and low cost brought by the roll to roll process. This article expounds the research and development history, principle and process characteristics of printed paper batteries, introduces paper battery's application are [...] Read more.
Abstract      ReferencesPDF (439 K)   May 5, 2019     320 Downloads    2650 Views
Open Access
O.B.Taghiyev, Т.Sh.Qashimova, К.О. Taghiyev
Abstract: Thio- and seleno- halates of rare-earth elements (Ca, Sr, Ba)Ga2(S, Se)4 are part of compounds with general formula МА2ШВ4VI(М – Ba, Sr, Ca; AIII- Ga, Al; B4VI – S, Se). Compounds type of МА2ШВ4VI were first obtained by authors [1], where sulphides and selenides are part of 12 analogous composites, which crystalize in ortho [...] Read more.
Abstract      ReferencesPDF (285 K)   June 4, 2019     237 Downloads    1998 Views

Volume 4, Issue 2, April 2019

Open Access
A.N. Volobuev
Abstract: The problems connected to propagation of a gravitational field are considered. The law of change of an electromagnetic radiation frequency in a gravitational field is shown. On the basis use of a quantum gravitational eikonal the energy of a single graviton is found. Refusal from a stresses tensor in structure of an energy- [...] Read more.
Abstract      ReferencesPDF (270 K)   April 7, 2019     263 Downloads    2038 Views
Open Access
Louis Ete Akpabio, Sekanam Louis Akpabio
Abstract: The Burgers’ equation was derived for studying the behaviour of Dust Acoustic (DA) shock wave for a four-component dusty plasma comprising charged dust grains of opposite polarity, super thermally (Kappa) distributed electrons and ions. The numerical solution of Burgers’ equation is analyzed. It is established that opposi [...] Read more.
Abstract      ReferencesPDF (369 K)   April 9, 2019     239 Downloads    2704 Views

Volume 4, Issue 1, February 2019

Open Access
S.V. Luniov, A.I. Zimych, P. F. Nazarchuk, V.Т. Maslyuk, O.V. Burban
Abstract: The effect of electron irradiation with the energy of 10 MeV on the electrical properties of n-Ge single crystals is investigated. Based on measurements of the Hall effect, the temperature dependences of the resistivity, concentration and mobility of current carriers for the range of 180–280 K have been obtained. It was sho [...] Read more.
Abstract      ReferencesPDF (239 K)   March 20, 2019     282 Downloads    1897 Views
Open Access
Chang Jae Lee
Abstract: A quantum harmonic oscillator with a frequency modulation is an extensively studied model, and has relevance to important physical processes. In this paper we consider response of the frequency modulation in terms of the time dependence of quasi energies and the deviation from the quantum virial theorem. Four modulation typ [...] Read more.
Abstract      ReferencesPDF (1074 K)   March 20, 2019     245 Downloads    1900 Views

Volume 3, Issue 2, April 2018

Open Access
Eduardo Flores, Jeffrey Scaturro
Abstract: Light displays particle and wave properties within the bounds of the inequality, K^2+V^2≤1, where K represents particle information and V represents corresponding wave information. Using two laser beams that cross and then diverge from each other we explore the inequality. Results, based on semiclassical analysis, are in co [...] Read more.
Abstract      ReferencesPDF (582 K)   August 2, 2018     462 Downloads    2289 Views
Open Access
Sergey M. Afonin
Abstract: In the general form for the equation of the electroelasticity the generalized structural-parametric model and the generalized matrix transfer function of the electroelastic actuator with the output parameters displacements are determined from the solutions of the wave equation with using the Laplace transform. The parametri [...] Read more.
Abstract      ReferencesPDF (438 K)   August 3, 2018     3057 Downloads    55399 Views

Volume 3, Issue 1, February 2018

Open Access
Timothy Sands
Abstract: This research paper describes a development to eliminate phase lag permitting a single commercially available sensor (Global Positioning System, GPS receiver) to provide full-state knowledge (including angular acceleration), eliminating the need for accelerometers, rate gyros, and other sensors. GPS position data is used to [...] Read more.
Abstract      ReferencesPDF (1550 K)   December 30, 2017     292 Downloads    2244 Views
Open Access
Arnold Abramov, Yuanfang Shang, Liuzhong Yin
Abstract: New approach to calculate both bound and continuum excitonic states in a quantum well are presented. Green functions technique for appropriate Schrödinger equation allowed transforms it to system of linear algebraic equations and to obtain a general numerical solution for excitonic wave function in a matrix form. The excito [...] Read more.
Abstract      ReferencesPDF (187 K)   January 2, 2018     289 Downloads    2025 Views
Open Access
Ignatovich V.K.
Abstract: Scattering of a scalar particle on a crystalline plane with quadratic cell and identical fixed scatterers is solved precisely. Contradiction of the standard scattering theory is pointed out. [...] Read more.
Abstract      ReferencesPDF (677 K)   January 7, 2018     311 Downloads    2063 Views
Open Access
Miranda Díaz Lázaro J.
Abstract: When linearly polarized light impinging on a lens, it will reflect and refract along the lines curves resulting from the interception of a plane (plane of polarization) with a sphere (lens surface) maintaining the orientation of refraction and reflection within the plane of polarization. This effect is significant [...] Read more.
Abstract      ReferencesPDF (651 K)   January 7, 2018     275 Downloads    2072 Views

Volume 2, Issue 3, June 2017

Open Access
Jeffrey S. Lee, Gerald B. Cleaver
Abstract: In this paper, it is shown that the Magnus effect cannot be a primary mechanism for the dispersion of shotgun pellets. The one-dimensional motion of objects through air, applied to shotgun pellets traveling a short distance, reveals that throughout the flight, the Reynold’s number is approximately constant. The distribution [...] Read more.
Abstract      ReferencesPDF (492 K)   August 1, 2017     321 Downloads    2472 Views

Volume 2, Issue 1, February 2017

Open Access
Wu Xinzhong
Abstract: Protective measurements offer an intriguing method for measuring the wave function of a single quantum system. With contributions from leading physicists and philosophers of physics-----including two of the original discoverers of this important method------ ‘Protective measurements and quantum reality’ edited by Shan Gao e [...] Read more.
Abstract      ReferencesPDF (275 K)   May 8, 2017     300 Downloads    2331 Views

Volume 1, Issue 2, December 2016

Open Access
Lena J-T Strömberg
Abstract: Assuming that time is determined by a present frequency, relations are derived based on the angular velocity of a noncircular orbit. Formats relating concepts of noncircular orbits with fix points of the sine circular map, so-called Arnold’s tongues, will be obtained. [...] Read more.
Abstract      ReferencesPDF (398 K)   December 21, 2016     388 Downloads    2543 Views
Open Access
Nasser Ojaroudi
Abstract: In this paper, a compact microstrip low-pass filter (LPF) for radar applications is proposed. The microstrip filter configuration consists of a transmission line with a pair of S-shaped stub with radial stub loaded resonators (RSLRs), and a ground plane with triple array modified stairwell defected ground structures (DGSs). [...] Read more.
Abstract      ReferencesPDF (452 K)   December 23, 2016     326 Downloads    2360 Views
Open Access
Wu Xinzhong
Abstract: The least action principle is the basic principle of the Newtonian mechanics and geometrical optics. Various forms of analytical mechanics are based on the principle of least action., including Lagrange mechanics, Hamiltonian mechanics and Hertz mechanics based on the principle of minimum curvature. Max Planck believed that [...] Read more.
Abstract      ReferencesPDF (582 K)   December 24, 2016     367 Downloads    2440 Views
Open Access
Monireh Nosrati Sahlan, Hamid Reza Marasi
Abstract: In this study, an effective technique upon compactly supported semi orthogonal cubic B-spline wavelets for solving nonlinear Volterra-Fredholm integral equations is proposed. Properties of B-spline wavelets and function approximation by them are first presented and the exponential convergence rate of the approximation, Ο(2- [...] Read more.
Abstract      ReferencesPDF (540 K)   December 26, 2016     309 Downloads    2517 Views

Volume 1, Issue 1, October 2016

Open Access
Angyang Yu
Abstract: The research of plastic deformation of metals attaches great importance to stacking fault energy (SFE). In this paper, we derive the expressions of four types (I1, I2, E and T2) of basal plane SFEs of hcp-Ti within the framework of the Ising model. Based on this model, alloying effects on the stacking fault energy (SFE) of [...] Read more.
Abstract      ReferencesPDF (319 K)   October 16, 2016     419 Downloads    2763 Views
Open Access
Vladimir Ignatovich
Abstract: The concept of the coherence length of the neutron is explored. The generally accepteddefinition of a Gaussian wave packet based on the method of the beam preparation, andthe singular de Broglie's wave packet are considered. Possible ways of measuring thecoherence length are discussed. [...] Read more.
Abstract      ReferencesPDF (363 K)   October 16, 2016     431 Downloads    2560 Views
Open Access
Lena J-T Strömberg
Abstract: The first eight terms in the Riemann hypothesis is analysed as harmonics with certain ratios to the ground level. The ratios were chosen from acoustic. To obtain the best fit, terms 5 and 7 was assumed to interact in a beat. [...] Read more.
Abstract      ReferencesPDF (520 K)   October 16, 2016     459 Downloads    2714 Views
Open Access
Lena J-T Strömberg
Abstract: Propagation and static distribution of light on noncircular orbits are modelled. The space where light embodies is determined with kinematics, such that the perpendicular velocity of the 'material'-space described as a noncircular orbit, is harmonic with amplitude fwre. Light propagation to discrete orbits may occur with a [...] Read more.
Abstract      ReferencesPDF (334 K)   October 16, 2016     366 Downloads    2491 Views
Open Access
V.K.Ignatovich, M.Utsuro
Abstract: The experimentally found small heating of the neutrons after transmission through thin foils can be explained by violation of energy conservation because of finite energy width of the neutron wave packet. The part of the wave packet subcritically transmitted through a foil has energy distribution higher than that of the inc [...] Read more.
Abstract      ReferencesPDF (277 K)   October 16, 2016     394 Downloads    2653 Views
Open Access
S. B. Doma, H. S. El-Gendy
Abstract: The ground-state nuclear wave functions, the binding energies, the root mean-square radii and the firstexcited-state energies of the 3H and 4He nuclei are investigated by applying the translation invariant shellmodel and using residual two-body interaction, given by the first author, together with a three-bodyinteraction in [...] Read more.
Abstract      ReferencesPDF (740 K)   November 2, 2016     396 Downloads    2754 Views
Open Access
Lena J-T Strömberg
Abstract: For noncircular orbits (nco), with f=3 and f=2, a fractal similar to the Koch-curve is constructed. Attraction and repulsion in a Koch boundary, are suggested, such that the fractal noncircular orbit may attract with all sublevels, or repulse likewise. [...] Read more.
Abstract      ReferencesPDF (349 K)   November 19, 2016     414 Downloads    2458 Views
Open Access
Yu. N. Zayko
Abstract: This article is devoted to the problem of light propagation in a space-time which curvature is due not to massive sources but to the electromagnetic field of the wave itself. Some methodological questions are discussed, such as an isotropy of metric, implementation of the Kalutza-Klein model, topology of space-time, etc [...] Read more.
Abstract      ReferencesPDF (353 K)   December 14, 2016     384 Downloads    2821 Views