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Wyświetlanie 1-15 z 37
Tytuł:
To the synthesis of classical and quantum physic
Autorzy:
Etkin, V. A.
Powiązania:
https://bibliotekanauki.pl/articles/1177473.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Schrödinger equation
nonequilibrium thermodynamics
photoeffect
quantum machanics
quantums of light
radiation laws
spectral series
wave as quantum
Opis:
The possibility has been validated to adjust fundamental differences between classical mechanics and quantum mechanics from the position of the wave theory of matter structure. A derivation of the Planck radiation law has been offered proceeding from the assumption the wave is a true quantum of radiation. The principles of photoeffect have been explained from the positions of classical phisycs and supplemented with consideration of the photoelectric yield. The law of forming spectral series has been obtained with no involvement of quantum numbers and no assumption of electron orbit-to-orbit transition. A deterministic derivation of the Schrödinger stationary wave equation has been given as excluding the necessity of its probability interpretation. The possibility has been shown to construct in unified manner mechanics of macro- and microprocesses considering discretness of wave processes.
Źródło:
World Scientific News; 2018, 102; 101-115
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mindfulness, Consciousness and Quantum Physics
Autorzy:
Di Sia, Paolo
Powiązania:
https://bibliotekanauki.pl/articles/1177977.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Consciousness
Entanglement
Mind
Mindfulness
Quantum Physics
Retrocausality
Well-being
Opis:
The relation between quantum physics and higher brain functions, including the consciousness, is in recent years a top subject of deep discussions from a scientific, philosophical, psychological and existential point of view. Reality is in continuous motion, life is continuously becoming, a movement of propagating energy waves. The quantum revolution undermined the solid nature of reality, opening the door to the primary role of mind, and proposing scenarios with unexpected features. In this paper interesting aspects of quantum physics are considered, with inevitable repercussions on our lives, which can decisively influence our actions and future. These findings underline the importance of building a cognitive resilience with mindfulness training, for improving the ability to regulate emotions, attention to the true surrounding reality, mood and well-being in life.
Źródło:
World Scientific News; 2018, 96; 25-34
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Doppler Factor and Quantum Electrodynamics Basics in Laser-Driven Light Sailing
Autorzy:
Tambunga, G.J.
Powiązania:
https://bibliotekanauki.pl/articles/412315.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Quantum Electrodynamics
Doppler Factor
Laser-Driven Light Sailing
Opis:
Basic concepts in Quantum Electrodynamics (QED) and the doppler factor were applied to laser-driven light sailing, where this combination was not considered before. QED indicates that a reflection is an absorption and an emission of discreet energy, and the doppler factor indicates a change in velocity of a reflector would result in the reflector observing a change in wavelength from a source. Applying these concepts results in the reflectors available discrete energy states not being filled, after the reflector changes its velocity. Changes in the apparatus of the laser-driven light sail and changes in the current understanding of the transfer of momentum from light to matter for effective laser-driven light sailing are suggested.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 14; 10-14
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Propagators in quantum mechanics
Autorzy:
Hernández-Galeana, A.
Rivera-Rebolledo, J.
López-Bonilla, J.
López-Vázquez, R.
Powiązania:
https://bibliotekanauki.pl/articles/1177837.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Green’s functions
Propagators in quantum mechanics
Opis:
We consider one-dimensional non-relativistic quantum mechanics to exhibit that the propagators (Green’s functions) for free particle, linear potential and harmonic oscillator, are obtainable from purely classical means.
Źródło:
World Scientific News; 2018, 99; 249-253
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quantum Factorization of Integers 21 and 91 using Shor’s Algorithm
Autorzy:
Ardhyamath, Poornima
Naghabhushana, N. M.
Ujjinimatad, Rohitha
Powiązania:
https://bibliotekanauki.pl/articles/1070857.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Euclidean Algorithm
Factorization
GCD
Quantum Fourier Transform
Shor’s Algorithm
Opis:
In this paper we focused on the factorization of integer in detail using well known Shor’s algorithm and its quantum part realization. The algorithm finds prime factors any integer more efficiently than any known classical algorithm. It is based on prior knowledge of the answer to the factorization problem. Algorithm includes finding gcd using polynomial time Euclidean algorithm, determination of unknown period from quantum computer and continued fraction expansion approach. Factorization of two integers 21 and 91 are shown in this paper with all steps. Quantum part of the factorization described mathematically.
Źródło:
World Scientific News; 2019, 123; 102-113
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A Gauge Model for Gravity and considerations on the Asymmetry of Time and the SU (2) Mass Gap
Autorzy:
Kabe, Koustubh
Powiązania:
https://bibliotekanauki.pl/articles/1178329.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Gauge theory
general relativity
gravity
loop quantum gravity
mass gap
quantum field theory
quantum gravity
string theory
super gravity (SUGRA)
super symmetry (SUSY)
time
time asymmetry
Opis:
A new formulation of the Hamiltonian formalism of general relativity is developed based on the adiabatic variation of the Hamiltonian constraint. This new formulation consists of complex valued anti-Hermitian 1- called the Berry gauge potentials. These are then used to develop the complex Berry-Einstein-Yang-Mills curvature 2- . The Berry-Yang-Mills field equations are then developed and interpreted in a novel manner to incorporate quantum temporal strings in the non-perturbative formalism. This is however just highlighted in this paper and will be pursued in another paper. Since, the holonomy phase construed is that of Lorentz rotation we perceive a new quantum structure of the space-time namely that of causality. The future light cones are soldered internally to the tensor fields naturally so that the Berry-Ehresmann connection defines a quantum gauge field of causality. This field evokes the causal structure attributed to space-time as gauge degrees of freedom of quantum space ― a fluid of future light cones. This symmetry being of the gauge field type has three generators i.e., three gauge bosons― all heavy and therefore attracted by gravity. Thus causality is a local gauge degree of freedom of gravity. Once the theory is developed, the problem of the mass gap is considered for our gauge field. It seems that the problem is solved in this paper.
Źródło:
World Scientific News; 2017, 81, 2; 198-220
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wave as a real quantum of radiation
Autorzy:
Etkin, V. A.
Powiązania:
https://bibliotekanauki.pl/articles/1182770.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
ambient medium modulation
non-equilibrium thermodynamics
non-trivial consequences
radiant flux
radiation law
stationary process
wave as a quantum
Opis:
This article is intended to show that from the standpoint of non-equilibrium thermodynamics the radiation law may be approached without resort to the thermal equilibrium conditions, quantum-mechanical considerations and Planck’s constant. In this case the radiation appears to be a process of ambient medium modulation with the oscillation frequencies intrinsic in the radiator with subsequent transfer of this excitation through the medium. In this case the excited wave, but not the particle named as photon, becomes the real quantum of radiation. The intensity of this quantum is found and the possibility is shown to thus overcome a number of the existing difficulties in comprehending and explaining the optical phenomena observed.
Źródło:
World Scientific News; 2017, 66; 293-300
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Strain distributions in group IV and III-V semiconductor quantum dots
Autorzy:
Wijewardena Gamalath, K. A. I. L.
Fernando, M.A.I.P.
Powiązania:
https://bibliotekanauki.pl/articles/411953.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
quantum dot
strain distribution
hydrostatic strain
biaxial strain
Opis:
A theoretical model was developed using GreenˇŚs function with an anisotropic elastic tensor to study the strain distribution in and around three dimensional semiconductor pyramidal quantum dots formed from group IV and III-V material systems namely, Ge on Si, InAs on GaAs and InP on AlP. A larger positive strain in normal direction which tends to zero beyond 6nm was observed for all three types while the strains parallel to the substrate were negative. For all the three types of quantum dots hydrostatic strain and biaxial strain along x and z directions were not linear but described a curve with a maximum positive value near the base of the quantum dot. The hydrostatic strain in x-direction is mostly confined within the quantum dot and practically goes to zero outside the edges of the quantum dot. For all the three types, the maximum hydrostatic and biaxial strains occur in x-direction around �{1nm and around 2nm in z-direction. The negative strain in x-direction although realtively weak penetrate more deeper to the substrate than hydrostatic strain.The group IV substrate gave larger hydrostatic and biaxial strains than the group III-V semiconductor combinations and InAs /GaAs was the most stable. The results indicated that the movements of atoms due to the lattice mismatch were strong for group III-V.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 2; 36-48
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An Axiomatic Approach to Quantum Mechanics
Autorzy:
Rajakaruna, M. A. I. S.
Wijewardena Gamalath, K. A. I. L.
Powiązania:
https://bibliotekanauki.pl/articles/1076342.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Du Bois Raymond Lemma
Fisher Information
Quantum Mechanics
Schrödinger’s Wave Equation
Variational Principle
Opis:
We have shown that the Schrödinger wave equation can be explained and derived from fundamental postulates that are based on the conservation of probability, significance of measurements at infinity and nature’s tendency of maintaining a system as unbiased as possible. As a reasonable measure for the local randomness, Fisher information is considered. The presented approach provides an axiomatic derivation for the Schrödinger wave equation, avoiding imperfect models borrowed from classical mechanics such as direct application of the energy conservation, statistical mechanics or vibrating string models.
Źródło:
World Scientific News; 2019, 116; 209-221
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Deutsch-Jozsa Algorithm for Three Fermions System
Autorzy:
Saleh, Mezher B.
George, Loay E.
Kadhum, Kadhum J.
Powiązania:
https://bibliotekanauki.pl/articles/1193013.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Boolean function
Deutsch’s problem
Dutsch-Jozsa algorithm
Hadamard transform
Quantum Bits (Fermions)
Quantum Gates
Opis:
One of the most important quantum algorithms is Dutsch-Jozsa algorithm. It is one of the most basic ways to demonstrate the power of quantum computation. In this research a system consists of three electron (fermions) in state |0˃ and one in state |1˃ the Hadamard transform was applied on all states. Then, the black box is applied to compute f. Finally it has been applied the Hadamard gate. It was proved this quantum information processing system can solve Deutsch’s problem with one evaluation of the function f while the classical system requires (2n/2 + 1 = 5) evaluations.
Źródło:
World Scientific News; 2016, 28; 41-56
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Actual picture of the law of universal gravitation and the quantum gravity theory describing the real state of the universe
Autorzy:
Borowski, T.
Powiązania:
https://bibliotekanauki.pl/articles/412595.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
classical gravity theory
quantum gravity theory
dark matter
Copernicus
Newton
Opis:
This paper presents the real sense of the classical and quantum theory of gravitation as a component of the actual picture of the universe where the volume, as the size of the expanding universe, approaches infinity, while the total of material masses goes to zero. At present, these two standard theories describe the phenomenon of gravitation but do not explain the very mechanism and the cause of this process. This constant and real lack of information on that subject is consistent with natural laws and the same with the laws of physics, which were already experimentally determined by Werner Heisenberg in 1927. The paper also presents the causes of inability to explain up to the present the actual picture of the essence of the universe.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 11; 44-53
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On the Quantum Theory of Impact Phenomenon for the Conditions of Elastic Deformation of Impacted Body
Autorzy:
Pluta, Z.
Hryniewicz, T.
Powiązania:
https://bibliotekanauki.pl/articles/412030.pdf
Data publikacji:
2013
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
impact
Quantum (potential)
potential field
energy
Principle of mechanical energy conservation
space-time
dynamics
Opis:
The work contains some of the elements of adequate quantum theory of impact phenomenon. These elements form the prelude to verification of the existent non-adequate theory of the impact phenomenon. At first a correct definition of impact has been formulated. For comparison, the interpretation of the elastic impact according to the existent knowledge is given. Then, taking advantage of the new correctly formulated the principle of mechanical energy conservation, the energetic states of impacting body have been described. Basing on this, the formula on dynamic deflection has been derived. This formula is adequate in character and fully corresponds with investigated reality.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2013, 7, 1; 45-59
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Fundamental Holographic Uncertainty Principle and its Primary Applications
Autorzy:
Kabe, Koustubh
Powiązania:
https://bibliotekanauki.pl/articles/1191787.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
holographic principle
holographic uncertainty principle
Heisenberg uncertainty principle
Landauer’s Principle
blackhole entropy
loop quantum gravity
area operator
quantum geometry
general relativity
corrected blackhole horizon
Opis:
The fundamental holographic principle is first proposed, then demonstrated in its validity and viability through a thought experiment and then finally derived. The Heisenberg uncertainty relations are shown to follow from this fundamental relation. The quantum blackhole entropy is then demonstrated using this holographic uncertainty relation along with the application of the Landauer’s principle for the thermodynamic erasure of a bit yielding a formula with a logarithmic correction. The blackhole entropy is found to be half the value normally delivered by any other method. So, it is proposed that there is a real relevant physical horizon at the twice the Schwarzschild radius dubbed the holographic information geometric horizon.
Źródło:
World Scientific News; 2016, 50; 33-48
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electronic structures of CdSe quantum dots embedded in ZnSe
Autorzy:
Jayawardhana, M. R. P. I.
Wijewardena Gamalath, K. A. I. L.
Powiązania:
https://bibliotekanauki.pl/articles/1178287.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
LCAO method
Quantum dot
Sparse matrices
adjacency matrix
folded spectrum method
optical matrix elements
strain effects
valence band offset
Opis:
The electronic structures and optical matrix elements of CdSe semiconductor quantum dots of near cubical, hemispherical and cylindrical shape embedded in ZnSe were calculated. Bulk Hamiltonian matrices were obtained using the empirical tight binding method including spin-orbital coupling and relativistic effects. All quantum dots were simulated in reciprocal space and the number of atoms in each quantum dot was kept nearly equal for the comparison purpose. An adjacency matrix was produced which indicates the adjacencies of unit cells and the bulk Hamiltonian was included for each adjacency point in order to obtain the quantum dot Hamiltonians. The strain effects, valence band offset and spin orbital coupling were included in the calculations. The quantum dot Hamiltonian was solved to obtain the highest and lowest eigenvalues from which the electronic structure was obtained. Then eigenvalues near integers ranging from the lowest eigenvalue to highest eigenvalue was generated for the point.
Źródło:
World Scientific News; 2017, 86, 3; 205-225
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Introduce of Generalized Uncertainty Principle
Autorzy:
Sadatian, S. D.
Powiązania:
https://bibliotekanauki.pl/articles/412014.pdf
Data publikacji:
2014
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Quantum Gravity
Uncertainty principle
Symmetry Breaking
Poincare alghebra
Opis:
We study and explain the uncertainty principle. We've discussed how to reform the uncertainty principle. In this regards, we have used the mechanisms of noncommutative algebra for obtain a generalized uncertainty principle. Following, Due to modified relationship uncertainty, we consider some application of these relation.
Źródło:
International Letters of Chemistry, Physics and Astronomy; 2014, 20, 1; 10-20
2299-3843
Pojawia się w:
International Letters of Chemistry, Physics and Astronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 37

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