Monday, May 25, 2015

quantum interpretations - What is the splitting structure of a state in thermal equilibrium in MWI?


What is the splitting structure of a state in thermal equilibrium in the many worlds interpretation? This is a mixed state, but we can perform a purification of it by doubling the system and forming a pure entangled state between both systems. Can any pure state always admit a natural splitting structure?




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...