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Study on the Fundamental Principle of Quantum Mechanics

Zhang ChengGang

Published Jun 1, 2021• 0 citations
OpenAlex

Abstract

This paper investigates Born’s statistical interpretation and the processes in which the Schrodinger equation are constructed, and delves into the fundamental principles of quantum mechanics. In addition, several examples and the foundation of quantum mechanics are discussed from a new perspective.

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Quantum mechanics, a cornerstone of modern physics, elucidates the behavior of particles at the most fundamental level. This paper delves into the foundational aspects and diverse interpretations of quantum mechanics, shedding light on its enigmatic principles and implications. Beginning with a comprehensive overview of the mathematical framework underlying quantum mechanics, including wave functions, operators, and probabilistic interpretations, the study explores key foundational principles such as superposition, uncertainty, and entanglement. Moreover, it critically examines various interpretations of quantum mechanics, including the Copenhagen interpretation, many-worlds interpretation, and pilot-wave theory, elucidating their philosophical underpinnings and empirical consequences. Through a synthesis of theoretical analysis and empirical evidence, this paper navigates the intricate landscape of quantum mechanics, offering insights into its profound implications for our understanding of reality.
Abstract Chapter 9 begins laying a foundation for quantum statistical mechanics with a discussion of relevant topics in quantum mechanics. The fundamental postulates of quantum mechanics are reviewed, beginning with the definition of a quantum state and the introduction of the concept of a state vector in a Hilbert space. The representation of observables as Hermitian operators on Hilbert space vectors is described; it is shown that the eigenvalues of Hermitian operators are real and, therefore, constitute possible outcomes of measurements made on these observables. The notions compatible and non-compatible observables and implication for the measurement problem are presented. The time-dependent Schrödinger equation is introduced as generating the time-evolution of the state vector, and it is shown how to cast the Schrödinger equation into a coordinate basis to yield the wave equation of quantum mechanics. Coordinate and momentum bases and their properties are desribed. Several analytically solvable quantum systems are presented as illustrative examples. The chapter concludes with a discussion of spin and the treatment identical particles
In this work, we propose an alternative formulation for the description of quantum dynamics based on a displacement interpretation of the Schrödinger equation. Startingfrom a generalized wave propagation framework, we show that the Schrödinger equation can be recovered in a form that admits a displacement-type interpretation ofthe wave function. Within this formulation, we derive a momentum-related relation, referred to as the Schrödinger momentum equation, which provides an effective description of quantumpropagation. This relation allows for a unified discussion of several foundational aspects of quantum mechanics, including interference phenomena, coherence anddecoherence, and quantum correlations. The proposed framework is deterministic and explicitly nonlocal, and remains consistent with established experimental observations. In addition, we examine theimplications of this formulation for the interpretation of the Heisenberg Uncertainty Principle, showing that uncertainty-type relations can be naturally obtained within thisapproach while preserving measurement-dependent limitations. Overall, the present work offers a complementary perspective on quantum mechanics that may contribute to ongoing discussions on its conceptual foundations.
We present critical arguments against individual interpretation of Bohr’s complementarity and Heisenberg’s uncertainty principles. Statistical interpretation of these principles is discussed in the contextual framework. We support the possibility to use Statistical Contextual Realist Interpretation of quantum formalism. In spite of all no-go theorems (e.g., von Neumann, Kochen and Specker,..., Bell,...), recently (quant-ph/0306003 and 0306069) we constructed a realist basis of quantum mechanics. In our model both classical and quantum spaces are rough images of the fundamental prespace. Quantum mechanics cannot be reduced to classical one. Both classical and quantum representations induce reductions of prespace information. ”Often we enter the unknown edifice of a new scientific discipline through a lesser gate that leads us into a side passage. It may take us a long while to find our way to the main portal and to view the whole structure in its proper perspective”. E. Schrödinger 1