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Is an electron a charge cloud? A reexamination of Schrödinger's charge density hypothesis

Gao, Shan (2013) Is an electron a charge cloud? A reexamination of Schrödinger's charge density hypothesis. [Preprint]

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Abstract

This article re-examines Schrödinger's charge density hypothesis, according to which the charge of an electron is distributed in the whole space, and the charge density in each position is proportional to the modulus squared of the wave function of the electron there. It is demonstrated that the charge distribution of a quantum system can be measured by protective measurements as expectation values of certain observables, and the results as predicted by quantum mechanics confirm Schrödinger's original hypothesis. Moreover, the physical origin of the charge distribution is also investigated. It is argued that the charge distribution of a quantum system is effective, that is, it is formed by the ergodic motion of a localized particle with the charge of the system.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Gao, Shansgao7319@uni.sydney.edu.au
Keywords: Schrödinger, electron cloud, charge cloud, charge density hypothesis, protective measurement, ergodic motion, particles
Subjects: Specific Sciences > Chemistry
Specific Sciences > Physics > Fields and Particles
Specific Sciences > Physics > Quantum Mechanics
Specific Sciences > Sociology
Depositing User: Mr. Shan Gao
Date Deposited: 22 Apr 2013 19:10
Last Modified: 22 Apr 2013 19:10
Item ID: 9696
Subjects: Specific Sciences > Chemistry
Specific Sciences > Physics > Fields and Particles
Specific Sciences > Physics > Quantum Mechanics
Specific Sciences > Sociology
Date: 21 March 2013
URI: http://philsci-archive.pitt.edu/id/eprint/9696

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