Recently some photon models of a Wigner’s friend experiment have led investigators to suggest that objective reality does not exist, and to publish articles with such claims. The public is not equipped to evaluate th...Recently some photon models of a Wigner’s friend experiment have led investigators to suggest that objective reality does not exist, and to publish articles with such claims. The public is not equipped to evaluate the severe limitations of these experiments. The separation of Wigner from the experiment and use of only reversible coherent processes for the friend allow operations that are not possible in ordinary reality according to the latest quantum research. We suggest directly testing the implied claim that objective reality, including incoherent objects with irreversible non-destructive memory, can be held in superposition. We suspect that it will fail, but provide for a graduated approach that may discover something about the conditions for superposition collapse. To this end, we design a thought experiment to model the objective world, investigating under what conditions experimenters in the same world (ensemble member) will be able to record a result and find it does not appear to change. This is not an investigation of hidden variables. To model the objective world, incoherent and irreversible processes must be included. To test for superposition, coherence has to be established. These seem to present a contradiction. The thought experiment suggests new places to look other than size for the origin of objective reality, casts doubt on the Many-Worlds interpretation, and provides a method of testing it.展开更多
为完善砌体结构的抗震设计方法,需要在有限的试验数据的基础上,借助可维护的仿真分析程序,研究其地震倒塌过程的机理。基于离散单元法(Discrete Element Method,DEM),编制了模拟砌体结构地震倒塌过程的计算模块。按照面向对象的思想,对...为完善砌体结构的抗震设计方法,需要在有限的试验数据的基础上,借助可维护的仿真分析程序,研究其地震倒塌过程的机理。基于离散单元法(Discrete Element Method,DEM),编制了模拟砌体结构地震倒塌过程的计算模块。按照面向对象的思想,对计算过程所需的大量数据进行了分割、抽象和封装,使数据结构和被模拟的真实结构之间保持了良好的逻辑对应。通过消息传递的方式,实现了求解过程的并行化。在保持数据结构一致的基础上,使用图形标准OpenGL(Open Graphic Library)编制了三维动态图形模块。通过以上工作开发了完整、可维护的程序,并对砌体结构模型的振动台倒塌试验进行了仿真分析。结果说明该程序能够完成强地震作用下砌体结构空间倒塌反应的定量分析,可用于探讨结构倒塌机理。展开更多
文摘Recently some photon models of a Wigner’s friend experiment have led investigators to suggest that objective reality does not exist, and to publish articles with such claims. The public is not equipped to evaluate the severe limitations of these experiments. The separation of Wigner from the experiment and use of only reversible coherent processes for the friend allow operations that are not possible in ordinary reality according to the latest quantum research. We suggest directly testing the implied claim that objective reality, including incoherent objects with irreversible non-destructive memory, can be held in superposition. We suspect that it will fail, but provide for a graduated approach that may discover something about the conditions for superposition collapse. To this end, we design a thought experiment to model the objective world, investigating under what conditions experimenters in the same world (ensemble member) will be able to record a result and find it does not appear to change. This is not an investigation of hidden variables. To model the objective world, incoherent and irreversible processes must be included. To test for superposition, coherence has to be established. These seem to present a contradiction. The thought experiment suggests new places to look other than size for the origin of objective reality, casts doubt on the Many-Worlds interpretation, and provides a method of testing it.
文摘为完善砌体结构的抗震设计方法,需要在有限的试验数据的基础上,借助可维护的仿真分析程序,研究其地震倒塌过程的机理。基于离散单元法(Discrete Element Method,DEM),编制了模拟砌体结构地震倒塌过程的计算模块。按照面向对象的思想,对计算过程所需的大量数据进行了分割、抽象和封装,使数据结构和被模拟的真实结构之间保持了良好的逻辑对应。通过消息传递的方式,实现了求解过程的并行化。在保持数据结构一致的基础上,使用图形标准OpenGL(Open Graphic Library)编制了三维动态图形模块。通过以上工作开发了完整、可维护的程序,并对砌体结构模型的振动台倒塌试验进行了仿真分析。结果说明该程序能够完成强地震作用下砌体结构空间倒塌反应的定量分析,可用于探讨结构倒塌机理。
