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Article Dans Une Revue The European Physical Journal D : Atomic, molecular, optical and plasma physics Année : 2000

Quantum theory of fluctuations in a cold damped accelerometer

Jean-Michel Courty
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Serge Reynaud
Pierre Touboul
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Résumé

We present a quantum network approach to real high sensitivity measurements. Thermal and quantum fluctuations due to active as well as passive elements are taken into account. The method is applied to the analysis of the capacitive accelerometer using the cold damping technique, developed for fundamental physics in space by ONERA and the ultimate limits of this instrument are discussed. It is confirmed in this quantum analysis that the cold damping technique allows one to control efficiently the test mass motion without degrading the noise level.

Dates et versions

hal-00001626 , version 1 (26-05-2004)

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Francesca Grassia, Jean-Michel Courty, Serge Reynaud, Pierre Touboul. Quantum theory of fluctuations in a cold damped accelerometer. The European Physical Journal D : Atomic, molecular, optical and plasma physics, 2000, 8, pp.101-110. ⟨hal-00001626⟩
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