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LETTER TO THE EDITOR

On the possibility of measuring the Earth's gravitomagnetic force in a new laboratory experiment

Lorenzo Iorio 2003 Class. Quantum Grav. 20 L5-L9   doi: 10.1088/0264-9381/20/1/102  Help

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Lorenzo Iorio
Dipartimento di Fisica dell' Università di Bari, via Amendola 173, 70126, Bari, Italy

Abstract. In this letter we propose, in a preliminary way, a new Earth-based laboratory experiment aimed at the detection of the gravitomagnetic field of the Earth. It consists of the measurement of the difference between the circular frequencies of two rotators moving along identical circular paths, but in opposite directions, on a horizontal friction-free plane in a vacuum chamber placed at the South Pole. The accuracy to our knowledge of the Earth's rotation from VLBI and the possibility of measuring the rotators' periods over many revolutions should allow for the feasibility of the proposed experiment.

PACS number: 04.80.Cc

Print publication: Issue 1 (7 January 2003)
Received 2 September 2002
Published 9 December 2002

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