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Branching Worlds: Quantum Mechanics and Hugh Everett's Many-Worlds Interpretation

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This thesis attempts to explain Everettian quantum mechanics from the ground up, such that those with little to no experience in quantum physics can understand it. First, we introduce the history of quantum theory, and some concepts that make u

This thesis attempts to explain Everettian quantum mechanics from the ground up, such that those with little to no experience in quantum physics can understand it. First, we introduce the history of quantum theory, and some concepts that make up the framework of quantum physics. Through these concepts, we reveal why interpretations are necessary to map the quantum world onto our classical world. We then introduce the Copenhagen interpretation, and how many-worlds differs from it. From there, we dive into the concepts of entanglement and decoherence, explaining how worlds branch in an Everettian universe, and how an Everettian universe can appear as our classical observed world. From there, we attempt to answer common questions about many-worlds and discuss whether there are philosophical ramifications to believing such a theory. Finally, we look at whether the many-worlds interpretation can be proven, and why one might choose to believe it.

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2021-05

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Entanglement, Locality, and Hidden Variables

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The purpose of this paper is to provide an analysis of entanglement and the particular problems it poses for some physicists. In addition to looking at the history of entanglement and non-locality, this paper will use the Bell Test as

The purpose of this paper is to provide an analysis of entanglement and the particular problems it poses for some physicists. In addition to looking at the history of entanglement and non-locality, this paper will use the Bell Test as a means for demonstrating how entanglement works, which measures the behavior of electrons whose combined internal angular momentum is zero. This paper will go over Dr. Bell's famous inequality, which shows why the process of entanglement cannot be explained by traditional means of local processes. Entanglement will be viewed initially through the Copenhagen Interpretation, but this paper will also look at two particular models of quantum mechanics, de-Broglie Bohm theory and Everett's Many-Worlds Interpretation, and observe how they explain the behavior of spin and entangled particles compared to the Copenhagen Interpretation.

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2021-05

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Wave-Particle Duality of Light

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Wave-particle duality is concerned with the dual nature of light. Specifically, the particle and wave nature of light. The particle nature of light is the little packages of photons that make up light, and the wave nature of light is

Wave-particle duality is concerned with the dual nature of light. Specifically, the particle and wave nature of light. The particle nature of light is the little packages of photons that make up light, and the wave nature of light is the wave pattern that light follows. An example of a way that light behaves like a particle is that it can’t go through walls like sound can. Light also can behave like a wave when we observe the interference pattern of light. This dual nature of light is important because nothing else known in the universe behaves and can be described in the way that light is. Getting to the consensus that light is both a particle and a wave has been a heated debate for decades, and to this day imagining what light truly is, is not humanly possible due to our lack of experience with a wave-particle nature. This thesis explores the history of the debates on the nature of light, and how the modern view was accomplished.

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2022-05

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Quantum Physics and the Double-Slit Experiment

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Our work explores a fascinating experiment in physics and science, the Double-Slit Experiment. We cover the mystery of this experiment, representing the wave and particle nature of photons, electrons, and quantum elements. We recount the history of quantum physics, an

Our work explores a fascinating experiment in physics and science, the Double-Slit Experiment. We cover the mystery of this experiment, representing the wave and particle nature of photons, electrons, and quantum elements. We recount the history of quantum physics, an unknown field for most people due to its detachment from the world we see. Finally, we explore the capability of the human eye to detect light in its quantum state, closing the gap between us and quantum physics.

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2022-05