Tru Physics

Tag: Inertial Frame

  • Unruh Effect

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    Introduction The Unruh effect is a theoretical prediction in quantum field theory and is one of the results showing the deep connections between quantum physics, thermodynamics, and relativity. Proposed by William G. Unruh in 1976, it suggests that an accelerating observer will be in a thermal state – in other words, they will observe a…

  • Inertial Frame

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    Introduction An inertial frame of reference, in physics, is a frame of reference in which Newton’s first law of motion — the law of inertia — holds true. That is, in an inertial frame, an object not acted upon by a net external force moves with a constant velocity. Defining Inertial Frame By definition, an…