What Happens to the Twins in the Twin Paradox with Acceleration?

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SUMMARY

The Twin Paradox involves two twins, one traveling at relativistic speeds while the other remains stationary. Due to the effects of acceleration and deceleration, the traveling twin experiences time dilation, resulting in them being younger than the stationary twin upon reunion. This phenomenon does not conform to the principles of Special Relativity (SR) in inertial frames, as the traveling twin's journey includes non-inertial phases. Understanding the implications of acceleration is crucial to grasping the resolution of the paradox.

PREREQUISITES
  • Understanding of Special Relativity (SR)
  • Familiarity with time dilation concepts
  • Knowledge of inertial vs. non-inertial reference frames
  • Basic grasp of acceleration and its effects on time perception
NEXT STEPS
  • Study the effects of acceleration in General Relativity
  • Explore time dilation calculations in relativistic physics
  • Investigate the implications of non-inertial frames on time perception
  • Review existing literature on the Twin Paradox and its interpretations
USEFUL FOR

Students of physics, educators explaining relativity, and anyone interested in the complexities of time travel and relativistic effects.

Leaping antalope
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My teacher told me that the Twin Paradox is actually a "paradox", it does not follow the rule of SR since it is not an "inertial system", the whole process involves acceleration and deacceration...
What confuses me here is that what will happen to the twins? If SR doesn't apply here, will the twins be the same age after one has been traveling with high speed (almost c) for a long time?
 
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There are lots of other threads about this (e.g. this one). You should read those first, and ask questions about the things you don't understand in the explanations we've already offered.
 
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Thanks~ I will read them
 

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