Dielectric Haloscopes: A New Way to Detect Axion Dark Matter

被引：310

作者：

Caldwell, Allen ^{[1
]}

Dvali, Gia ^{[1
,2
,3
]}

Majorovits, Bela ^{[1
]}

Millar, Alexander ^{[1
]}

Raffelt, Georg ^{[1
]}

Redondo, Javier ^{[1
,4
]}

Reimann, Olaf ^{[1
]}

Simon, Frank ^{[1
]}

Steffen, Frank ^{[1
]}

机构：

[1] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, Fohringer Ring 6, D-80805 Munich, Germany

[2] Ludwig Maximilians Univ Munchen, Theresienstr 37, D-80333 Munich, Germany

[3] NYU, CCPP, 550 1St Ave, New York, NY 10003 USA

[4] Univ Zaragoza, Pedro Cerbuna 12, E-50009 Zaragoza, Spain

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 118卷 / 09期

基金：

欧盟地平线“2020”;

关键词：

STRONG CP PROBLEM; INVISIBLE-AXION; COSMIC AXIONS; SEARCHES;

D O I：

10.1103/PhysRevLett.118.091801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose a new strategy to search for dark matter axions in the mass range of 40-400 mu eV by introducing dielectric haloscopes, which consist of dielectric disks placed in a magnetic field. The changing dielectric media cause discontinuities in the axion-induced electric field, leading to the generation of propagating electromagnetic waves to satisfy the continuity requirements at the interfaces. Large-area disks with adjustable distances boost the microwave signal (10-100 GHz) to an observable level and allow one to scan over a broad axion mass range. A sensitivity to QCD axion models is conceivable with 80 disks of 1 m(2) area contained in a 10 T field.

引用

页数：6

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