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/content/aapt/journal/tpt/54/5/10.1119/1.4947152
1.
1.Edward S. Lowry, “The clock paradox,” Am. J. Phys. 31, 59 (Jan. 1963).
http://dx.doi.org/10.1119/1.1969239
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2.T. M. Helliwell, Introduction to Special Relativity (Allyn and Bacon, Inc., Boston, 1966), p. 165.
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3.Leo Levi, “The ‘twin paradox’ revisited,” Am. J. Phys. 35, 968 (Oct. 1967).
http://dx.doi.org/10.1119/1.1973659
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4.Donald Hall, “Intuition, time dilation, and the twin paradox,” Phys. Teach. 16, 209 (April 1978).
http://dx.doi.org/10.1119/1.2339888
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5.R. H. Good, “Uniformly accelerated reference frame and twin paradox,” Am. J. Phys. 50, 232 (March 1982).
http://dx.doi.org/10.1119/1.12862
6.
6.Using ct instead of t results in both axes being measured in meters, for example, and the speed of light is depicted by lines of slope ±1 in spacetime diagrams, as is our usual convention.
http://aip.metastore.ingenta.com/content/aapt/journal/tpt/54/5/10.1119/1.4947152
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/content/aapt/journal/tpt/54/5/10.1119/1.4947152
2016-05-01
2016-09-29

Abstract

The resolution to the classic twin paradox in special relativity rests on the asymmetry of acceleration. Yet most students are not exposed to a satisfactory analysis of what exactly happens during the acceleration phase that results in the nonaccelerated observer's more rapid aging. The simple treatment presented here offers both graphical and quantitative solutions to the problem, leading to the correct result that the acceleration-induced age gap is 2 years when the one-way distance is expressed in light-years and velocity

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