**Commenced**in January 2007

**Frequency:**Monthly

**Edition:**International

**Paper Count:**137

# Search results for: ICT in physics

##### 137 De Broglie Wavelength Defined by the Rest Energy E0 and Its Velocity

**Authors:**
K. Orozović,
B. Balon

**Abstract:**

In this paper, we take a different approach to de Broglie wavelength, as we relate it to relativistic physics. The quantum energy of the photon radiated by a body with de Broglie wavelength, as it moves with velocity v, can be defined within relativistic physics by rest energy E₀. In this way, we can show the connection between the quantum of radiation energy of the body and the rest of energy E₀ and thus combine what has been incompatible so far, namely relativistic and quantum physics. So, here we discuss the unification of relativistic and quantum physics by introducing the factor k that is analog to the Lorentz factor in Einstein's theory of relativity.

**Keywords:**
de Brogli wavelength,
relativistic physics,
rest energy,
quantum physics.

##### 136 Grid Computing in Physics and Life Sciences

**Authors:**
Heinz Stockinger

**Abstract:**

**Keywords:**
Grid computing,
Web services,
physics,
bioinformatics

##### 135 The Physics of Gravity: A Hypothesis Based on Classical Physics

**Authors:**
I. V. Kuzminov

**Abstract:**

The alternative hypothesis of the physics of gravitation is put forward in this paper. The hypothesis is constructed on the laws of classical physics. The process of expansion of the Universe explains the physics of gravity. The expansion of the Universe induces the resistance of gyroscopic forces of electron’s rotation. The second component of gravity forces is the resistance arising from the second derivative of linear expansion. This hypothesis does not reject the existing foundation of settlement, particularly as it is empirically constructed. The forces of gravitation and inertia share a common nature, which has been recognized before. The presented hypothesis does not criticize existing theories of gravitation; rather, it explores a separate theme. It is important to acknowledge that the expansion of the Universe exhibits isotropic characteristics. The proposed hypothesis provides a fundamental direction for further research. It is worth noting that this article does not aim to encompass all possible aspects of future investigations.

**Keywords:**
Gyroscopic forces,
the unity of the micro- and macrocosm,
the expansion of the universe,
the second derivative of expansion.

##### 134 Development of a New CFD Multi-Coupling Tool Based on Immersed Boundary Method: toward SRM Analysis

**Authors:**
Ho Phu TRAN,
Frédéric PLOURDE

**Abstract:**

**Keywords:**
Compressible Flow,
Immersed Boundary Method,
Multi-disciplinary physics,
Solid Rocket Motors.

##### 133 The Didactic Transposition in Brazilian High School Physics Textbooks: A Comparative Study of Didactic Materials

**Authors:**
Leandro Marcos Alves Vaz

**Abstract:**

**Keywords:**
Magnetism of matter,
teaching of physics,
didactic transposition,
Brazilian physics books.

##### 132 Axiomatic Systems as an Alternative to Teach Physics

**Authors:**
Liliana M. Marinelli,
Cristina T. Varanese

**Abstract:**

In the last few years, students from higher education have difficulties in grasping mathematical concepts which support physical matters, especially those in the first years of this education. Classical Physics teaching turns to be complex when students are not able to make use of mathematical tools which lead to the conceptual structure of Physics. When derivation and integration rules are not used or developed in parallel with other disciplines, the physical meaning that we attempt to convey turns to be complicated. Due to this fact, it could be of great use to see the Classical Mechanics from an axiomatic approach, where the correspondence rules give physical meaning, if we expect students to understand concepts clearly and accurately. Using the Minkowski point of view adapted to a two-dimensional space and time where vectors, matrices, and straight lines (worked from an affine space) give mathematical and physical rigorosity even when it is more abstract. An interesting option would be to develop the disciplinary contents from an axiomatic version which embraces the Classical Mechanics as a particular case of Relativistic Mechanics. The observation about the increase in the difficulties stated by students in the first years of education allows this idea to grow as a possible option to improve performance and understanding of the concepts of this subject.

**Keywords:**
Axiom,
classical physics,
physical concepts,
relativity.

##### 131 A Physics-Based Model for Fast Recovery Diodes with Lifetime Control and Emitter Efficiency Reduction

**Authors:**
Chengjie Wang,
Li Yin,
Chuanmin Wang

**Abstract:**

**Keywords:**
Emitter efficiency,
lifetime control,
P-i-N diode,
physics-based model

##### 130 The Impact of Physics Taught with Simulators and Texts in Brazilian High School: A Study in the Adult and Youth Education

**Authors:**
Leandro Marcos Alves Vaz

**Abstract:**

The teaching of physics in Brazilian public schools emphasizes strongly the theoretical aspects of this science, showing its philosophical and mathematical basis, but neglecting its experimental character. Perhaps the lack of science laboratories explains this practice. In this work, we present a method of teaching physics using the computer. As alternatives to real experiments, we have the trials through simulators, many of which are free software available on the internet. In order to develop a study on the use of simulators in teaching, knowing the impossibility of simulations on all topics in a given subject, we combined these programs with phenomenological and/or experimental texts in order to mitigate this limitation. This study proposes the use of simulators and the debate using phenomenological/experimental texts on electrostatic theme in groups of the 3rd year of EJA (Adult and Youth Education) in order to verify the advantages of this methodology. Some benefits of the hybridization of the traditional method with the tools used were: Greater motivation of the students in learning, development of experimental notions, proactive socialization to learning, greater easiness to understand some concepts and the creation of collaborative activities that can reduce timidity of part of the students.

**Keywords:**
Physics teaching,
simulators,
youth and adult education,
experimentation,
electrostatic.

##### 129 Beginning Physics Experiments Class Using Multi Media in National University of Laos

**Authors:**
T. Nagata,
S. Xaphakdy,
P. Souvannavong,
P. Chanthamaly,
K. Sithavong,
C. H. Lee,
S. Phommathat,
V. Srithilat,
P. Sengdala,
B. Phetarnousone,
B. Siharath,
X. Chemcheng,
T. Yamaguchi,
A. Suenaga,
S. Kashima

**Abstract:**

**Keywords:**
NUOL,
JICA,
KOICA,
Physics experiment materials,
smart phone,
Moodle,
IT center,
Science for Lao.

##### 128 Revising the Student Experiment Materials and Practices at the National University of Laos

**Authors:**
Syhalath Xaphakdy,
Toshio Nagata,
Saykham Phommathat,
Pavy Souwannavong,
Vilayvanh Srithilat,
Phoxay Sengdala,
Bounaom Phetarnousone,
Boualay Siharath,
Xaya Chemcheng

**Abstract:**

The National University of Laos (NUOL) invited a group of volunteers from the Japan International Cooperation Agency (JICA) to revise the physics experiments to utilize the materials that were already available to students. The intension was to review and revise the materials regularly utilized in physics class. The project had access to limited materials and a small budget for the class in the unit; however, by developing experimental textbooks related to mechanics, electricity, and wave and vibration, the group found a way to apply them in the classroom and enhance the students teaching activities. The aim was to introduce a way to incorporate the materials and practices in the classroom to enhance the students learning and teaching skills, particularly when they graduate and begin working as high school teachers.

**Keywords:**
NUOL,
JICA,
physics experiment materials,
small budget,
mechanics,
electricity.

##### 127 High School Stem Curriculum and Example of Laboratory Work That Shows How Microcomputers Can Help in Understanding of Physical Concepts

**Authors:**
Jelena Slugan,
Ivica Ružić

**Abstract:**

We are witnessing the rapid development of technologies that change the world around us. However, curriculums and teaching processes are often slow to adapt to the change; it takes time, money and expertise to implement technology in the classroom. Therefore, the University of Split, Croatia, partnered with local school Marko Marulić High School and created the project "Modern competence in modern high schools" as part of which five different curriculums for STEM areas were developed. One of the curriculums involves combining information technology with physics. The main idea was to teach students how to use different circuits and microcomputers to explore nature and physical phenomena. As a result, using electrical circuits, students are able to recreate in the classroom the phenomena that they observe every day in their environment. So far, high school students had very little opportunity to perform experiments independently, and especially, those physics experiment did not involve ICT. Therefore, this project has a great importance, because the students will finally get a chance to develop themselves in accordance to modern technologies. This paper presents some new methods of teaching physics that will help students to develop experimental skills through the study of deterministic nature of physical laws. Students will learn how to formulate hypotheses, model physical problems using the electronic circuits and evaluate their results. While doing that, they will also acquire useful problem solving skills.

**Keywords:**
ICT in physics,
curriculum,
laboratory activities,
STEM.

##### 126 Modeling Method and Application in Digital Mockup System towards Mechanical Product

**Authors:**
Huaiyu Zhang

**Abstract:**

**Keywords:**
DMU,
VR,
virtual environment,
virtual object,
physics modeling,
behavior modeling

##### 125 Search for Flavour Changing Neutral Current Couplings of Higgs-up Sector Quarks at Future Circular Collider (FCC-eh)

**Authors:**
I. Turk Cakir,
B. Hacisahinoglu,
S. Kartal,
A. Yilmaz,
A. Yilmaz,
Z. Uysal,
O. Cakir

**Abstract:**

**Keywords:**
FCC,
FCNC,
Higgs Boson,
Top Quark.

##### 124 Investigating the Invalidity of the Law of Energy Conservation Based on Waves Interference Phenomenon Inside a Ringed Waveguide

**Authors:**
M. Yusefzad

**Abstract:**

Law of energy conservation is one of the fundamental laws of physics. Energy is conserved, and the total amount of energy is constant. It can be transferred from one object to another and changed from one state to another. However, in the case of wave interference, this law faces important contradictions. Based on the presented mathematical relationship in this paper, it seems that validity of this law depends on the path of energy wave, like light, in which it is located. In this paper, by using some fundamental concepts in physics like the constancy of the electromagnetic wave speed in a specific media and wave theory of light, it will be shown that law of energy conservation is not valid in every condition and in some circumstances, it is possible to increase energy of a system with a determined amount of energy without any input.

**Keywords:**
Power,
law of energy conservation,
electromagnetic wave,
interference,
Maxwell’s equations.

##### 123 Real-Time Physics Simulation Packages: An Evaluation Study

**Abstract:**

This paper includes a review of three physics simulation packages that can be used to provide researchers with a virtual ground for modeling, implementing and simulating complex models, as well as testing their control methods with less cost and time of development. The inverted pendulum model was used as a test bed for comparing ODE, DANCE and Webots, while Linear State Feedback was used to control its behavior. The packages were compared with respect to model creation, solving systems of differential equation, data storage, setting system variables, control the experiment and ease of use. The purpose of this paper is to give an overview about our experience with these environments and to demonstrate some of the benefits and drawbacks involved in practice for each package.

**Keywords:**
DANCE,
Inverted Pendulum,
ODE,
Simulation
Packages,
Webots.

##### 122 A Unification and Relativistic Correction for Boltzmann’s Law

**Authors:**
Lloyd G. Allred

**Abstract:**

The distribution of velocities of particles in plasma is a well understood discipline of plasma physics. Boltzmann’s law and the Maxwell-Boltzmann distribution describe the distribution of velocity of a particle in plasma as a function of mass and temperature. Particles with the same mass tend to have the same velocity. By expressing the same law in terms of energy alone, the author obtains a distribution independent of mass. In summary, for particles in plasma, the energies tend to equalize, independent of the masses of the individual particles. For high-energy plasma, the original law predicts velocities greater than the speed of light. If one uses Einstein’s formula for energy (*E=mc ^{2}*), then a relativistic correction is not required.

**Keywords:**
Cosmology,
EMP,
Euclidean,
plasma physics,
relativity.

##### 121 Modeling of Heat and Mass Transfer in Soil Plant-Atmosphere. Influence of the Spatial Variability of Soil Hydrodynamic

**Authors:**
Aouattou Nabila,
Saighi Mohamed,
Fekih Malika

**Abstract:**

**Keywords:**
Hydraulic properties,
Modeling,
Unsaturated zone,
Transfer,
Water

##### 120 Researches Concerning Photons as Corpuscles with Mass and Negative Electrostatic Charge

**Authors:**
Ioan Rusu

**Abstract:**

**Keywords:**
Electrostatic,
electron,
proton,
photon,
radiation.

##### 119 Crystalline Model Approach for Studying the Nuclear Properties of Light Nuclei

**Abstract:**

A study of the structure of the nucleus with the analogy by solid-state physics has been developed. We have used binding energy to calculate R (a parameter that is proportional to the radius of the nucleus) for deuteron, alpha, and ^{8}Be. The calculated parameter r calculated from solid state physics produces a probe for calculation the nuclear radii. ^{8}Be has special attention as it is radioactive nucleus and the latest nucleus to be calculated from crystalline model approach. The distribution of nucleons inside the nucleus is taken to be tetrahedral for ^{16}O. The model has failed to expect the radius of ^{9}Be which is an impression about the modification should be done on the model at near future. A comparison between our calculations and those from literature has been made, and a good agreement has been obtained.

**Keywords:**
The structure of the nucleus,
binding energy,
crystalline model approach,
nuclear radii,
tetrahedral for 16O.

##### 118 A Functional Interpretation of Quantum Theory

**Authors:**
Hans H. Diel

**Abstract:**

**Keywords:**
Computability,
Foundation of Quantum Mechanics,
Measurement Problem,
Models of Physics.

##### 117 Picture of the World by the Second Law of Thermodynamics

**Authors:**
I. V. Kuzminov

**Abstract:**

According to its content, the proposed article is a collection of articles with comments and additions. All articles, in one way or another, have a connection with the Second Law of Thermodynamics. The content of the articles is given in a concise form. The articles were published in different journals at different times. Main topics are presented: gravity, biography of the Earth, physics of global warming-cooling cycles, multiverse. The articles are based on the laws of classical physics. Along the way, it should be noted that the Second Law of Thermodynamics can be formulated as the Law of Matter Cooling. As it cools down, the processes of condensation, separation, and changes in the aggregate states of matter occur. In accordance with these changes, a picture of the world is being formed. Also, the main driving force of these processes is the inverse temperature dependence of the forces of gravity. As matter cools, the forces of gravity increase. The actions of these phenomena in the compartment form a picture of the world.

**Keywords:**
Gravitational forces,
cooling of matter,
second law of thermodynamics,
planetary model of the atom.

##### 116 Teaching Light Polarization by Putting Art and Physics Together

**Authors:**
Fabrizio Logiurato

**Abstract:**

Light Polarization has many technological applications, and its discovery was crucial to reveal the transverse nature of the electromagnetic waves. However, despite its fundamental and practical importance, in high school, this property of light is often neglected. This is a pity not only for its conceptual relevance, but also because polarization gives the possibility to perform many brilliant experiments with low cost materials. Moreover, the treatment of this matter lends very well to an interdisciplinary approach between art, biology and technology, which usually makes things more interesting to students. For these reasons, we have developed, and in this work, we introduce a laboratory on light polarization for high school and undergraduate students. They can see beautiful pictures when birefringent materials are set between two crossed polarizing filters. Pupils are very fascinated and drawn into by what they observe. The colourful images remind them of those ones of abstract painting or alien landscapes. With this multidisciplinary teaching method, students are more engaged and participative, and also, the learning process of the respective physics concepts is more effective.

**Keywords:**
Light polarization,
optical activity,
multidisciplinary education,
science and art.

##### 115 Exp-Function Method for Finding Some Exact Solutions of Rosenau Kawahara and Rosenau Korteweg-de Vries Equations

**Authors:**
Ehsan Mahdavi

**Abstract:**

In this paper, we apply the Exp-function method to Rosenau-Kawahara and Rosenau-KdV equations. Rosenau-Kawahara equation is the combination of the Rosenau and standard Kawahara equations and Rosenau-KdV equation is the combination of the Rosenau and standard KdV equations. These equations are nonlinear partial differential equations (NPDE) which play an important role in mathematical physics. Exp-function method is easy, succinct and powerful to implement to nonlinear partial differential equations arising in mathematical physics. We mainly try to present an application of Exp-function method and offer solutions for common errors wich occur during some of the recent works.

**Keywords:**
Exp-function method,
Rosenau Kawahara equation,
Rosenau Korteweg-de Vries equation,
nonlinear partial differential
equation.

##### 114 Current Status of 5A Lab6 Hollow Cathode Life Tests in Lanzhou Institute of Physics, China

**Authors:**
Yanhui Jia,
Ning Guo,
Juan Li,
Yunkui Sun,
Wei Yang,
Tianping Zhang,
Lin Ma,
Wei Meng,
Hai Geng

**Abstract:**

**Keywords:**
LaB6,
hollow cathode,
thruster,
lifetime test,
electric
propulsion.

##### 113 Biography of the Earth in the Light of the Laws of Classical Physics

**Authors:**
I. V. Kuzminov

**Abstract:**

The proposed article is an analytical review of previously published articles in the series "Physics of Gravity", "The Picture of the World by Second Law of Thermodynamics" and others. The article shows the key role of the forces of gravity and the action of the second law of thermodynamics in shaping the picture of the world. In other words, the second law of thermodynamics can be called the law of matter cooling. The action in the compartment of the inverse temperature dependence of the forces of gravity and the second law of thermodynamics is carried out by the processes of separation, condensation, phase transitions, and transformation of matter. On the basis of the proposed concept, along the way, completely new versions of the development of events in the biography of the Earth are put forward. For example, new versions of the origin of planets, the origin of continents and others are being put forward. This article contains a list of articles and videos that are somehow related to the proposed topic. Articles and videos are presented in English and Russian.

**Keywords:**
Gravity,
the second law of thermodynamics,
electron rotation,
inverse temperature dependence,
inertia forces,
centrifugal forces.

##### 112 Predictions of Dynamic Behaviors for Gas Foil Bearings Operating at Steady-State Based on Multi-Physics Coupling Computer Aided Engineering Simulations

**Authors:**
Tai Yuan Yu,
Pei-Jen Wang

**Abstract:**

A simulation scheme of rotational motions for predictions of bump-type gas foil bearings operating at steady-state is proposed. The scheme is based on multi-physics coupling computer aided engineering packages modularized with computational fluid dynamic model and structure elasticity model to numerically solve the dynamic equation of motions of a hydrodynamic loaded shaft supported by an elastic bump foil. The bump foil is assumed to be modelled as infinite number of Hookean springs mounted on stiff wall. Hence, the top foil stiffness is constant on the periphery of the bearing housing. The hydrodynamic pressure generated by the air film lubrication transfers to the top foil and induces elastic deformation needed to be solved by a finite element method program, whereas the pressure profile applied on the top foil must be solved by a finite element method program based on Reynolds Equation in lubrication theory. As a result, the equation of motions for the bearing shaft are iteratively solved via coupling of the two finite element method programs simultaneously. In conclusion, the two-dimensional center trajectory of the shaft plus the deformation map on top foil at constant rotational speed are calculated for comparisons with the experimental results.

**Keywords:**
Computational fluid dynamics,
fluid structure interaction multi-physics simulations,
gas foil bearing,
load capacity.

##### 111 Consideration of Magnetic Lines of Force as Magnets Produced by Percussion Waves

**Authors:**
Angel Pérez Sánchez

**Abstract:**

Considering magnetic lines of force as a vector magnetic current was introduced by convention around 1830. But this leads to a dead end in traditional physics, and quantum explanations must be referred to explain the magnetic phenomenon. However, a study of magnetic lines as percussive waves leads to other paths capable of interpreting magnetism through traditional physics. The concept was explored by examining the behavior of two parallel electric current cables, which attract each other when the current goes in the same direction, and its application at a microscopic level inside magnets. Consideration of magnetic lines as magnets themselves would mean a paradigm shift in the study of magnetism and open the way to provide solutions to mysteries of magnetism until now only revealed by quantum mechanics. This groundbreaking study discovers how a magnetic field is created, as well as reason how magnetic attraction and repulsion work, understand how magnets behave when splitting them, and reveal the impossibility of a Magnetic Monopole. All of this is presented as if it were a symphony in which all the notes fit together perfectly to create a beautiful, smart, and simple work.

**Keywords:**
Magnetic lines of force,
magnetic field,
magnetic attraction and repulsion,
magnet split,
magnetic monopole,
magnetic lines of force as magnets,
magnetic lines of force as waves.

##### 110 Performance of Neural Networks vs. Radial Basis Functions When Forming a Metamodel for Residential Buildings

**Authors:**
Philip Symonds,
Jon Taylor,
Zaid Chalabi,
Michael Davies

**Abstract:**

**Keywords:**
Neural Networks,
Radial Basis Functions,
Metamodelling,
Python machine learning libraries.

##### 109 Status Report of the GERDA Phase II Startup

**Authors:**
Valerio D’Andrea

**Abstract:**

**Keywords:**
Gerda,
double beta decay,
germanium,
LNGS.

##### 108 Non-Singular Gravitational Collapse of a Homogeneous Scalar Field in Deformed Phase Space

**Authors:**
Amir Hadi Ziaie

**Abstract:**

**Keywords:**
Gravitational collapse,
non-commutative geometry,
spacetime singularity,
black hole physics.