Single-Atom Transistor as a Precise Magnetic Field Sensor

被引：9

作者：

Jachymski, Krzysztof ^{[1
,2
]}

Wasak, Tomasz ^{[3
]}

Idziaszek, Zbigniew ^{[3
]}

Julienne, Paul S. ^{[4
,5
]}

Negretti, Antonio ^{[6
,7
]}

Calarco, Tommaso ^{[8
,9
]}

机构：

[1] Univ Stuttgart, Inst Theoret Phys 3, Pfaffenwaldring 57, D-70550 Stuttgart, Germany

[2] Univ Stuttgart, Ctr Integrated Quantum Sci & Technol IQST, Pfaffenwaldring 57, D-70550 Stuttgart, Germany

[3] Univ Warsaw, Fac Phys, Pasteura 5, PL-02093 Warsaw, Poland

[4] Univ Maryland, Joint Quantum Inst, College Pk, MD 20742 USA

[5] Natl Inst Stand & Technol, College Pk, MD 20742 USA

[6] Univ Hamburg, Zentrum Opt Quantentechnol, Luruper Chaussee 149, D-22761 Hamburg, Germany

[7] Univ Hamburg, Hamburg Ctr Ultrafast Imaging, Luruper Chaussee 149, D-22761 Hamburg, Germany

[8] Univ Ulm, Inst Complex Quantum Syst, D-89069 Ulm, Germany

[9] Univ Ulm, Ctr Integrated Quantum Sci & Technol IQST, D-89069 Ulm, Germany

来源：

PHYSICAL REVIEW LETTERS | 2018年 / 120卷 / 01期

关键词：

TONKS-GIRARDEAU GAS; ULTRACOLD COLLISIONS; ELECTRON; SCATTERING; DIAMOND; PHYSICS; LATTICE; SPIN;

D O I：

10.1103/PhysRevLett.120.013401

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Feshbach resonances, which allow for tuning the interactions of ultracold atoms with an external magnetic field, have been widely used to control the properties of quantum gases. We propose a scheme for using scattering resonances as a probe for external fields, showing that by carefully tuning the parameters it is possible to reach a 10(-5) G (or nT) level of precision with a single pair of atoms. We show that, for our collisional setup, it is possible to saturate the quantum precision bound with a simple measurement protocol.

引用

页数：6

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