A 25 T dipole pulsed magnet to study the magnetic birefringence of vacuum:: the BMV project

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作者
Askenazy, S [1 ]
Billette, J [1 ]
Dupré, P [1 ]
Ganau, P [1 ]
Mackowski, J [1 ]
Marquez, J [1 ]
Pinard, L [1 ]
Portugall, O [1 ]
Ricard, D [1 ]
Rikken, GLJA [1 ]
Rizzo, C [1 ]
Trenec, G [1 ]
Vigué, J [1 ]
机构
[1] CNRS, Lab Natl Champs Magnet Pulses, UPS, INSAT,UMS 5642, F-31432 Toulouse 4, France
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O59 [应用物理学];
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摘要
The existence of a magnetic birefringence of vacuum is one of the most important predictions of quantum electrodynamics, which has not yet been verified. In this contribution, we present a new project, the BMV (Birefringence Magnetique du Vide) project, a collaboration between different Grenoble, Lyon and Toulouse institutes. The proposed experimental set-up, compared to previous attempts, should improve the signal level by about two orders of magnitude. Keystones of the proposed set-up are rt very sensitive ellipsometer and a specially designed 1.5 m long 25 T pulsed magnet, which is under development in Toulouse, France.
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页码:115 / 122
页数:8
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