Computer Science
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009adspr..43..164s&link_type=abstract
Advances in Space Research, Volume 43, Issue 1, p. 164-166.
Computer Science
Scientific paper
We propose a test of the gravitational time dilation in general relativity by long term clock comparison between two stations separated in height. The geopotential difference between the two National time keeping centers in China, Lintong (A) and Beijing (B) is around 4000 geopotential unit, which corresponds to the height difference of 400 m. Two clocks CA and CB are fixed at stations A and B, respectively, which are synchronized at beginning by a portable clock C in a short time period with go-back synchronization approach. After one month, the clock C is again transported between A and B, comparing the records of the keeping time by clocks CA and CB, respectively. Calculations show that, after one month, the difference of the time durations between the clocks CA and CB is around 121 ns, if general relativity is correct.
Chao Dingbo
Liu Jinnan
Ning Jinsheng
Shen Wenbin
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