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  1. On Uffink's Alternative Interpretation of Protective Measurements.Shan Gao - unknown
    Protective measurement is a new measuring method introduced by Aharonov, Anandan and Vaidman. By a protective measurement, one can measure the expectation value of an observable on a single quantum system, even if the system is initially not in an eigenstate of the measured observable. This remarkable feature of protective measurements was challenged by Uffink. He argued that only observables that commute with the system's Hamiltonian can be protectively measured, and a protective measurement of an observable that does not commute (...)
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  • On Uffink's Criticism of Protective Measurements.Shan Gao - 2013 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 44 (4):513-518.
    Protective measurement is a new measuring method introduced by Aharonov, Vaidman, and Anandan, with the aim of measuring the expectation value of an observable on a single quantum system, even if the system is initially not in an eigenstate of the measured observable. According to these authors, this feature of protective measurements favors a realistic interpretation of the wave function. These claims were challenged by Uffink. He argued that only observables that commute with the system's Hamiltonian can be protectively measured, (...)
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  • Reply to Gao's “On Uffink's Criticism of Protective Measurements”.Jos Uffink - 2013 - Studies in History and Philosophy of Modern Physics 44 (4):519-523.
    Gao presents a critical reconsideration of a paper I wrote on the subject of protective measurement. Here, I take the occasion to reply to his objections. In particular, I retract my previous claim to have proven that in a protective measurement, the observable being measured on a system must commute with the system's Hamiltonian. However, I do maintain the viability of the interpretation I offered for protective measurements, as well as my analysis of a thought experiment proposed by Aharonov, Anandan (...)
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  • Interpreting Quantum Mechanics in Terms of Random Discontinuous Motion of Particles.Shan Gao - unknown
    This thesis is an attempt to reconstruct the conceptual foundations of quantum mechanics. First, we argue that the wave function in quantum mechanics is a description of random discontinuous motion of particles, and the modulus square of the wave function gives the probability density of the particles being in certain locations in space. Next, we show that the linear non-relativistic evolution of the wave function of an isolated system obeys the free Schrödinger equation due to the requirements of spacetime translation (...)
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  • Reply to Gao’s ”Comment on ”How to Protect the Interpretation of the Wave Function Against Protective Measurements”.Jos Uffink - unknown
    Shan Gao recently presented a critical reconsideration of a paper I wote on the subject of protective measurement. Here, I take the occasion to reply to his objections.
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  • Is the Electron's Charge 2e? A Problem of the de Broglie-Bohm Theory.Shan Gao - unknown
    It is shown that the de Broglie-Bohm theory has a potential problem concerning the charge distribution of a quantum system such as an electron. According to the guidance equation of the theory, the electron's charge is localized in a position where its Bohmian particle is. But according to the Schrödinger equation of the theory, the electron's charge is not localized in one position but distributed throughout space, and the charge density in each position is proportional to the modulus square of (...)
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  • Problems of the De Broglie-Bohm Theory.Shan Gao - unknown
    It is shown that the de Broglie-Bohm theory has a potential problem concerning the mass and charge distributions of a quantum system such as an electron. According to the de Broglie-Bohm theory, the mass and charge of an electron are localized in a position where its Bohmian particle is. However, protective measurement indicates that they are not localized in one position but distributed throughout space, and the mass and charge density of the electron in each position is proportional to the (...)
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