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The formal definition of proper time involves describing the path through spacetime that represents a clock, observer, or test particle, and the metric structure of that spacetime. Proper time is the pseudo-Riemannian arc length of world lines in four-dimensional spacetime.
Proper time is also called clock time, or process time, and it is a measure of the amount of physical process that a system undergoes. For example, proper time for an ordinary mechanical clock is recorded by the number of rotations of the hands of the clock.
Dec 4, 2019 · Proper time is the clock you carry with you and it is measured from your frame of reference. If you are on a craft traveling at 0.99999 the speed of light to alpha Centauri it will take you about 4.3 years to get there from earth. If you return immediately the round trip will take you about 8.6 years in your time (proper time to you).
Definition: Proper Time. The proper time is an invariant quantity that can be determined from the spacetime interval. Another name I like to use for proper time is wristwatch time*, because it is the time interval measured by an inertial observer who is present at both events.
Feb 11, 2016 · The proper time noted by convetion τ (tau) is by definition the time measured by an observer in their own rest frame, i.e the time between two events as measured in a frame where the events stay in the same position.
4 days ago · Quick Reference. The time as measured by any observer from a clock at their location that is stationary with respect to them. In the theory of relativity, time is said to be proper to each observer.
Find the proper time interval (the time interval in the rest frame of the particle) between events O and B. (b) Assume a particle moves along the path ORB from O to B. Describe the motion in the inertial frame in which the space-time diagram is drawn.
