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A one-world formulation of quantum mechanics

机译:量子力学的单世界公式

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摘要

Hugh Everett thought it was preposterous to accept the Schrodinger equation as a fundamental law of quantum physics, but then assert that it is usually violated in any observation of quantum phenomena. Demanding that the Schrodinger equation always holds led him to the 'many worlds' interpretation. To avoid this conclusion, I propose that the Schrodinger equation is not fundamental, but that one should instead regard as primary a von Neumann version of the equation which lets the density matric evolve unitarily, but where conclusions reached concerning measurements always involve the non-unitary step of tracing out environmental degrees of freedom which always exist even if the system in question is the entire observable universe.
机译:休·埃弗里特(休)埃弗里特(Hugh Everett)认为接受薛定inger方程作为量子物理学的基本定律是荒谬的,但随后断言在任何对量子现象的观察中通常都会违反该定律。要求薛定inger方程始终成立的要求使他产生了“许多世界”的解释。为避免得出这一结论,我建议说薛定inger方程不是基本的,而应该以冯·诺依曼方程为基础,使密度矩阵统一发展,但有关测量得出的结论总是涉及非统一的追踪环境自由度的步骤,即使所讨论的系统是整个可观察的宇宙,环境自由度也始终存在。

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