자기장을 이용한 중력의 시공간 변형에 대한 실험적 연구
An Experimental Approach to Study the Effect of Gravity on Spacetime by using Magnetic Filed
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The curvature of spacetime represented by Einstein field equation has many physical implications, including gravity. As light is deflected by the curvature of spacetime, a magnetic field will also be influenced by the curved spacetime. A permanent magnet is generally known to maintain its persistent magnetic field on the ground as long as there is no external magnetic interference. However, a series of experiments find that there are noticeable changes in the magnetic fields distribution while the permanent magnet rotates. The magnetic field lines of the permanent magnet are deflected towards Earth’s centre, implying a possibility that we can use magnetic field, a more efficient tool than a satellite, to measure the curvature of spacetime. However, comparing the experimental results of this study with theoretically obtained values of the curvature of spacetime remains a vast area of research for future studies.
Abstract
The curvature of spacetime represented by Einstein field equation has many physical implications, including gravity. As light is deflected by the curvature of spacetime, a magnetic field will also be influenced by the curved spacetime. A permanent magnet is generally known to maintain its persistent magnetic field on the ground as long as there is no external magnetic interference. However, a series of experiments find that there are noticeable changes in the magnetic fields distribution while the permanent magnet rotates. The magnetic field lines of the permanent magnet are deflected towards Earth’s centre, implying a possibility that we can use magnetic field, a more efficient tool than a satellite, to measure the curvature of spacetime. However, comparing the experimental results of this study with theoretically obtained values of the curvature of spacetime remains a vast area of research for future studies.
참고문헌 (17)
- Einstein A., "The Foundation of the General Theory of Relativity", Annalen der Phys, 354(7), pp.769~ (1916)
- Turner MSW, "Making Sense of the New Cosmology", International Journal of Modern Physics A, 17(S1), pp.180~196 (2001)
- Dyson FW, "A Determination of the Deflection ofLight by the Sun's Gravitational Field", Philosophical Transactions of the Royal Society, 220A, pp.291~333 (1920)
- Kennefick D., "Testing Relativity from the 1919 Eclipse-a Question of Bias", Physics Today, pp.37~42 (2009)
- Holberg J.B., "the Measurement of the Gravitational Redshift", Journal for the History of Astronomy, 41(1), pp.41~64 (2010)
- Einstein A., "Lens-Like Action of a Star by the Deviation of Light in the Gravitational Field", Science, 84(2188), pp.506~507 (1936)
- van der Wel A, "Discovery of a Quadruple Lens in CANDELS with a Record Lens Redshift", Astrophysical Journal Letters, 777, pp.L17~ (2013)
- Wong K., "Discovery of a Strong Lensing Galaxy Embedded in a Cluster at z= 1.62", Astrophysical Journal Letters, 789, pp.L31~ (2014)
- Gould A., "Deflection of Light by the Earth", Astrophysical Journal, Part 2 – Letters, 414(1), pp.37~40 (1993)
- "NASA - Gravity Probe B: The Relativity Mission"[URL]
- "NASA Gravity Probe Confirms Two Einstein Theories"[URL]
- Everitt CWF, "Gravity Probe B: Final Results of a Space Experiment to Test General Relativity", Physical Review Letters, 106, pp.221101~ (2011)
- Red'kov VM, "Maxwell Equations in Riemannian Space-time, Geometrical Modeling of Medias", Nonlinear Dynamics and Applications, 13, pp.207~228 (2006)
- Lichnerowicz A., "Waves and Shock Waves in Curved Space-Time" (1994), Springer
- Leonhardt U, "Geometry and Light:The science of invisibility" (2012), Courier Corporation
- Sim C. G., "An Experimental Study to Examine the Curved Spacetime Using Magnetic Fields", PSIJ, 18(3) (2018)
