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Cosmic string passage through the Earth and consequent global earthquake

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Abstract

Effects invoked by the passage of the cosmic string through the Earth are investigated. The cosmic string induces global oscillations of the Earth whose amplitude and acceleration both linearly depend on the string line density. For the line density maximally allowed by the cosmic observations, the oscillations are perceivable even to human beings and may cause serious damages to the environment. On the other hand, the string with much smaller line density causes no visible effects. Yet, the sophisticated accelerograph is sensitive to a line density down to ten orders of magnitude smaller than the cosmologically relevant value.

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Notes

  1. The authors thank to people in the Earthquake Research Institute at the University of Tokyo for letting us know this fact (in private communication).

  2. http://kepler.nasa.gov/.

  3. http://www.lpi.usra.edu/lunar/missions/apollo/apollo_15/.

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Acknowledgements

The authors thank to Teruyuki Kato and people in the Earthquake Research Institute at the University of Tokyo for letting us know many aspects of the Earthquake. We also thank to Toshikazu Shigeyama and Yousuke Itoh for useful comments. This work is supported by Grant-in-Aid for Scientific Research on Innovative Areas No. 25103505 (TS) from The Ministry of Education, Culture, Sports, Science and Technology (MEXT).

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Authors and Affiliations

  1. Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto, 606-8502, Japan

    H. Motohashi

  2. Research Center for the Early Universe (RESCEU), Graduate School of Science, The University of Tokyo, Tokyo, 113-0033, Japan

    H. Motohashi & T. Suyama

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  1. H. Motohashi
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  2. T. Suyama
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Correspondence to H. Motohashi.

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Motohashi, H., Suyama, T. Cosmic string passage through the Earth and consequent global earthquake. Astrophys Space Sci 348, 565–569 (2013). https://doi.org/10.1007/s10509-013-1591-2

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  • DOI: https://doi.org/10.1007/s10509-013-1591-2

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