Results 11 to 20 of about 197,019 (229)

The Pure State Space of Quantum Mechanics as Hermitian Symmetric Space [PDF]

open access: yes, 2002
The pure state space of Quantum Mechanics is investigated as Hermitian Symmetric Kaehler manifold. The classical principles of Quantum Mechanics (Quantum Superposition Principle, Heisenberg Uncertainty Principle, Quantum Probability Principle) and ...
A. Manià   +16 more
core   +2 more sources

Limitations on the superposition principle: superselection rules in non-relativistic quantum mechanics [PDF]

open access: yes, 1998
The superposition principle is a very basic ingredient of quantum theory. What may come as a surprise to many students, and even to many practitioners of the quantum craft, is tha superposition has limitations imposed by certain requirements of the ...
A L Salas-Brito   +22 more
core   +2 more sources

A General Argument Against the Universal Validity of the Superposition Principle [PDF]

open access: yes, 2000
We reconsider a well known problem of quantum theory, i.e. the so called measurement (or macro-objectification) problem, and we rederive the fact that it gives rise to serious problems of interpretation.
Angelo Bassi   +13 more
core   +3 more sources

Time: Temperature superposition principle: Application of WLF equation in polymer analysis and composites

open access: yesZaštita Materijala, 2014
Polymers are the most studied viscoelastic material. The shorter times (high frequencies) corresponding to lower temperatures and long times (low frequencies) to high temperatures. This represents the quantitatively applied time-temperature superposition
Chad Smithson   +3 more
doaj   +1 more source

Linear Superposition as a Core Theorem of Quantum Empiricism

open access: yesUniverse, 2022
Clarifying the nature of the quantum state |Ψ⟩ is at the root of the problems with insight into counter-intuitive quantum postulates. We provide a direct—and math-axiom free—empirical derivation of this object as an element of a vector space ...
Yurii V. Brezhnev
doaj   +1 more source

Analytical beampattern synthesis for symmetric nonuniform linear array based on superposition principle

open access: yesElectronics Letters, 2023
In this letter, an analytical method for the beampattern synthesis of symmetric nonuniform array is proposed. This method consists of two steps. In the first step, it acquires a real symmetric excitation by the convex optimization method to attain a ...
Fei Shi, Mengkai Hu, Xiuquan Dou
doaj   +1 more source

The theory of calculation of reinforced concrete structures and the principles of the Eurocode

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2021
The theory of calculating reinforced concrete is analyzed. As we known reinforced concrete with enormous volumes of application and huge financial costs, due to the great complexity of its nonlinear properties, has a surprisingly unscientific theory of ...
Rudolf S. Sanzharovskiy   +2 more
doaj   +1 more source

Time-moisture superposition principle in creep behavior of white oak with various earlywood vessel locations

open access: yesMaderas: Ciencia y Tecnología, 2023
Creep behavior of wood plays a fundamental role in precision processing of wood. In this work, experimental creep tests have been conducted to determine the influence of earlywood vessel location and moisture content on creep behavior of white oak ...
Yuge Zhang   +5 more
doaj   +3 more sources

FUNDAMENTAL ERROR OF THE THEORY OF DURABLE RESISTENCE AND STANDARDS FOR REINFORCED CONCRETE

open access: yesInternational Journal for Computational Civil and Structural Engineering, 2018
This article identifies and investigates the errors in the foundations of the modern theory of creep of reinforced concrete caused by the use of the principle of superposition, which is an extensive interpretation of the principle (scheme) of the linear ...
Rudolf S. Sanzharovsky   +2 more
doaj   +1 more source

Quantum Superposition Principle and Geometry

open access: yes, 2006
If one takes seriously the postulate of quantum mechanics in which physical states are rays in the standard Hilbert space of the theory, one is naturally lead to a geometric formulation of the theory.
A. Corichi   +5 more
core   +1 more source

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