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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:
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:
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:
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:
Mach’s Principle and Particle-antiparticle pairs: A Heuristic Stable Wormhole Mechanism for Swift Dynamics in Spacetime, Non-locality and Time Travel
Autorzy:
Kabe, Koustubh
Powiązania:
https://bibliotekanauki.pl/articles/1190209.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Mach’s principle
non-classical spacetimes
particle-antiparticle pairs
wormholes
spacetime quantum tunneling
quantum particle dynamics
non-locality
Opis:
The following paper is purely hypothetical in nature in that it is based on pure hypothesis and mathematical physics. The effect of Mach’s principle on the quantum regime has been studied especially with reference to the quantum mechanical vacuum and the Hawking radiation. A new concept of history dependent “energy reservoir” has been introduced as a consequence of Mach’s principle and associated with every free quantum particle-antiparticle pairs, based on Feynman’s idea of sum over histories of a particle and application of Mach’s principle to the quantum regime. A new H-field-anti-H-field has been associated with this reservoir that is shown to have a repulsive gravitational effect. It is in principal possible that these fields constructs a wormhole in spacetime taken as a (non-)classical one. This is in accord with the fact that wormholes cannot be constructed by classical means for all observable matter with positive energy. The large distance traversed by a particle in curved space in a very short time scale has been treated as a barrier penetration problem. The tunnel effect is produced by the associated H-field via the wormhole mechanism. An expression has been derived for the transmission coefficient for the potential (distance) barrier. The time scale of travel from one event situated to another event situated , where is very large, being very small, to any stationary or inertial observer in his proper frame the particle will appear to travel with velocities ( being the velocity of light in vacuo space). From this it implicitly follows that the particle will have traveled from a time co-ordinate corresponding to to another time co-ordinate corresponding to the co-ordinate i.e. the particle will appear to have violated causality of spacetime and traveled in time.
Źródło:
World Scientific News; 2016, 44; 168-180
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:
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:
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:
Some Physical Properties of Copper Oxide Thin Films Prepared by Electrolysis Method
Autorzy:
Oudah, Mustafa H.
Mazin, H. Hasan
Abd, Ahmed N.
Powiązania:
https://bibliotekanauki.pl/articles/1065248.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
copper oxide
drop-casting method
electrolysis
quantum size effect
thin films
Opis:
The aim of this paper is to study the properties of copper oxide thin films prepared by electrolysis method and deposited on glass substrates by drop-casting method at different annealing temperatures. Copper oxide colloidal was successfully prepared by electrolysis method. The X-ray diffraction confirms the polycrystalline structure of the films. Atomic force microscopy shows that the increase in the annealing temperature improves the surface morphology, increases the grain size and removes the cracks. The best optical transmittance was for the film annealed at 200 ºC. The bandgap decreases from 3.35 eV to 3.15 eV as a result of increasing the annealing temperature. The wide bandgap that obtained in this study is due to quantum size effect.
Źródło:
World Scientific News; 2019, 135; 59-70
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Condensed Geometry II: New Constraints, Temporal Confinement Phase and Structure and Interpretation of Space and Time
Autorzy:
Kabe, Koustubh
Powiązania:
https://bibliotekanauki.pl/articles/1190218.pdf
Data publikacji:
2016
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Ashtekar variables
Loop Quantum Gravity
surface states
phase transitions
string theory
Opis:
In this paper we basically intend to deductively study aspects and physical behavior of time in the Quantum Mechanical and Loop Quantum Gravity regime and the physical interpretations therein. The implicit gauge invariance of the vortical time is deduced. A new form of the Hamiltonian constraint is produced and the corresponding Vector or Diffeomorphism constraint is also introduced, the Gauss constraint being found to be the same as that in the original. The new consequences are discussed. The paper presents fresh new ideas and interpretations as well as perspectives on the spatial as well as the now introduced temporal aspects of Loop Quantum Gravity. In this we basically intend to deductively study aspects and physical behavior of Time in the Quantum Mechanical and Loop quantum gravity regime and the physical interpretations therein. In what follows, we provide a systematic mathematico-physical treatment of the vortical aspect of quantum gravity or a test quantum system, relative to space, as the time for that system. The implicit gauge invariance of the vortical time is deduced. A general theory of implicit and explicit gauge invariance is proposed. The gauging out of the acausality gauge degree of freedom is deduced and the causal direction of time is shown to nucleate out as a self ordered criticality due to a “tweaking” field which is shown to be a form of magnetic phase transition. This magnetic phase arising in the Kodama holomorphic wave functional universe, arises naturally due to the Ashtekar “magnetic” field in general. Also the wave-particle duality of gravity/ geometry as a quantum system is interpreted in terms of the physical role played by time. The long standing problem of the interpretation of the quantum mechanical time-inverse temperature has apriori been resolved with a heuristic interpretation. As an epilogue, the Pauli theorem on time as an operator has been discussed along with the standard proof.
Źródło:
World Scientific News; 2016, 44; 236-256
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modelling of Exciton-Polaritons
Autorzy:
De Silva, L. M. S.
Wijewardena Gamalath, K. A. I. L.
Powiązania:
https://bibliotekanauki.pl/articles/1166216.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
AlGaAs/AlAs
CdSe/ZnS
Exciton-polaritons
GaAs
distributed Bragg reflectors
microcavity
quantum well
Opis:
To study the generation of exciton polaritons in a quantum well embedded in a semiconductor Fabry-Pérot microcavity with distributed Brag reflectors, a simple semi-classical auxiliary differential equation based model is proposed. The solutions are obtained using FDTD method considering only the excitations from ground to next excited states and one single QW resonance. The simulations are presented for GaAs quantum well in Al0.1Ga0.9As microcavity and a ZnS quantum well embedded in CdSe microcavity with 12 DBR layers on either side. Model is proved to be stable and agrees with properties of polarization associated with polariton dispersion. Results show that GaAs is a better quantum well material to generate polaritons than CdSe.
Źródło:
World Scientific News; 2018, 106; 194-213
2392-2192
Pojawia się w:
World Scientific News
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:
Particle localization via measurement induced entanglement
Autorzy:
Vasura Jayaweera, K. K. Y.
Wijewardena Gamalath, K. A. I. L.
Powiązania:
https://bibliotekanauki.pl/articles/1059506.pdf
Data publikacji:
2019
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Fluffy-Bunny entanglement
Quantum entanglement
photons
position probability density
relative position
scattering angle
spatial localization
variance
Opis:
To explore the boundary between quantum and classical physics in the context of quantum entanglement, the particle localization via measurement induced entanglement on photons incident onto a distinguishable, massive non-interacting two-particle system was studied. The specific case of how particles acquire well defined spatial localization when light is scattered off and detected was considered. The localization process studied both qualitatively and quantitatively was observed to be valid for particles which were initially localized as well as initially completely delocalized. The localization scheme was also observed to be extremely sensitive to its initial conditions. Furthermore, a difference in the localization scheme in terms of the number of scattering events was observed between monochromatic photons and photons with variable frequencies. From all these results it was apparent that we can interpret the uniquely quantum features of entanglement in terms of classicality.
Źródło:
World Scientific News; 2019, 128, 2; 234-254
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hamilton-Jacobi/ Canonical Phase Transitions of Ashtekar LQG-Polyakov Strings: World Sheet Dynamics as Regelation through the d = 3 + 1 Spacetime
Autorzy:
Kabe, Koustubh
Powiązania:
https://bibliotekanauki.pl/articles/1179195.pdf
Data publikacji:
2017
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Ashtekar connectio-dynamics
Loop Quantum Gravity
Nambu-Goto action
Polyakov path integral
phase transitions
string theory
Opis:
The following paper takes up an Ashtekar connectio-dynamics and algebraic quantum field theoretic treatment of a relativistic quantum string without SUSY and hence in four spacetime dimensions treats the Polyakov dynamics of a relativistic quantum string given explicitly by the Polyakov path integral in terms of a “canonical” phase transition where the string is imagined as a thread regelating through the “ice cube” of spacetime.
Źródło:
World Scientific News; 2017, 83; 206-211
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Time at the Level of a High Speed Moving Object
Autorzy:
Spacey, John
Powiązania:
https://bibliotekanauki.pl/articles/1193284.pdf
Data publikacji:
2021
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
General Relativity
Quantum Mechanics
astronomy
astrophysics
black-hole
cosmology
dark Matter and dark Energy
galaxies
gravity
negative space-time
Opis:
I think that far-away travels into Space are possible in the way that it is possible to find again people on our Earth, after the return of a very long travel into Space, not aged, like the people who have traveled inside the spacecraft. Current physics does not allow this and I have developed the following Theory which would thus complement the current Theory of General Relativity when we go to the limits of the reasoning. Current Theories like General Relativity or Quantum Mechanics are not impacted when the reasoning is not pushed to the limits. My reasoning at the limits just complements current Theories when the parameters take extreme values and thus the logic of current physics is respected.
Źródło:
World Scientific News; 2021, 153, 1; 1-42
2392-2192
Pojawia się w:
World Scientific News
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 20

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