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Related papers: In-situ magnetometry for experiments with atomic q…

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We demonstrate a minimally-destructive in situ technique for measuring and stabilizing slowly-drifting magnetic fields in ultracold-atom experiments. While conventional magnetic-field sensors such as Hall, giant magnetoresistive, or…

Ultra-low noise magnetic field is essential for many branches of scientific research. Examplesinclude experiments conducted on ultra-cold atoms, quantum simulations, as well as precisionmeasurements. In ultra-cold atom experiments…

Applied Physics · Physics 2019-05-27 Xiao-Tian Xu , Zong-Yao Wang , Rui-Heng Jiao , Chang-Rui Yi , Wei Sun , Shuai Chen

We present a protocol to achieve double quantum magnetometry at large static magnetic fields. This is a regime where sensitive sample parameters, such as the chemical shift, get enhanced facilitating their characterization. In particular,…

Quantum Physics · Physics 2022-06-15 C. Munuera-Javaloy , I. Arrazola , E. Solano , J. Casanova

Continuous weak or fuzzy measurement of the Rabi oscillation of a two level atom subjected to a $\pi-$pulse of a resonant light field is simulated numerically. We thereby address the question whether it is possible to measure characteristic…

Quantum Physics · Physics 2007-05-23 J. Audretsch , Th. Konrad , M. Mensky

We describe the development of a simple atomic magnetometer using $^{87}$Rb vapor suitable for Earth magnetic field monitoring. The magnetometer is based on time-domain determination of the transient precession frequency of the atomic…

Atomic Physics · Physics 2015-06-05 L. Lenci , S. Barreiro , P. Valente , H. Failache , A. Lezama

We present an all-optical method to measure and compensate for residual magnetic fields present in a cloud of ultracold atoms trapped in an optical dipole trap. Our approach leverages the increased loss from the trapped atomic sample…

Atomic Physics · Physics 2024-04-18 Suthep Pomjaksilp , Sven Schmidt , Aaron Thielmann , Thomas Niederprüm , Herwig Ott

Atomic magnetometry was performed at Earth's magnetic field over a free-space distance of ten meters. Two laser beams aimed at a distant alkali-vapor cell excited and detected the $^{87}$Rb magnetic resonance, allowing the magnetic field…

Atomic Physics · Physics 2015-06-11 Brian Patton , Oscar Versolato , D. Chris Hovde , Eric Corsini , James Higbie , Dmitry Budker

Some of the most sensitive methods of measuring magnetic fields utilize interactions of resonant light with atomic vapor. Recent developments in this vibrant field are improving magnetometers in many traditional areas such as measurement of…

Atomic Physics · Physics 2015-06-26 D. Budker , M. V. Romalis

We present a technique for measuring microwave (MW) field based on Rabi resonances induced by the interaction of atoms with a phase-modulated MW field. A theoretical model of field measurement is used to calculate Rabi frequency.…

Atomic Physics · Physics 2017-05-18 Fuyu Sun , Dong Hou , Qingsong Bai , Xianhe Huang , Jie Ma , Xiaofeng Li

Ultracold gases provide micrometer size atomic samples whose sensitivity to external fields may be exploited in sensor applications. Bose-Einstein condensates of atomic gases have been demonstrated to perform excellently as magnetic field…

Superconductivity · Physics 2013-05-29 T. K. Koponen , J. Pasanen , P. Törmä

In cold atomic gases the interactions between the atoms are directly controllable through external magnetic fields. The magnetic field control is typically performed indirectly by stabilizing the current through a pair of Helmholtz coils,…

Scanning-probe magnetometry is a valuable experimental tool to investigate magnetic phenomena at the micro- and nanoscale. We theoretically analyze the possibility of measuring magnetic fields via the electrical current flowing through…

Mesoscale and Nanoscale Physics · Physics 2017-02-01 Gábor Széchenyi , András Pályi

We propose and experimentally investigate a scheme for observing Feshbach resonances in atomic quantum gases in situ and with a high temporal resolution of several ten nanoseconds. The method is based on the detection of molecular ions,…

Atomic Physics · Physics 2020-03-25 M. Eisele , R. A. W. Maier , C. Zimmermann

Time-domain observations of coherent oscillations between quantum states in mesoscopic superconducting systems were so far restricted to restoring the time-dependent probability distribution from the readout statistics. We propose a new…

Superconductivity · Physics 2009-11-07 Ya. S. Greenberg , A. Izmalkov , M. Grajcar , E. Il'ichev , W. Krech , H. -G. Meyer

Time-domain observations of coherent oscillations between quantum states in mesoscopic superconducting systems have so far been restricted to restoring the time-dependent probability distribution from the readout statistics. We propose a…

Superconductivity · Physics 2009-11-10 Ya. S. Greenberg

Accurately measuring magnetic fields is essential for magnetic-field sensitive experiments in fields like atomic, molecular, and optical physics, condensed matter experiments, and other areas. However, since many experiments are conducted…

Instrumentation and Detectors · Physics 2023-05-31 Ziting Chen , Kin To Wong , Bojeong Seo , Mingchen Huang , Mithilesh K. Parit , Haoting Zhen , Jensen Li , Gyu-Boong Jo

The ability to directly measure the momentum distribution of quantum gases is both unique to these systems and pivotal in extracting many other important observables. Here we use Raman transitions to measure the momentum distribution of a…

Quantum Gases · Physics 2020-01-15 Constantine Shkedrov , Gal Ness , Yanay Florshaim , Yoav Sagi

An atom interferometer using a Bose-Einstein condensate of $^{87}$Rb atoms is utilized for the measurement of magnetic field gradients. Composite optical pulses are used to construct a spatially symmetric Mach-Zehnder geometry. Using a…

We experimentally investigated Rabi resonance-based continuously frequency-tunable microwave (MW) magnetic field detection using a single hybrid vapor cell filled with cesium and rubidium atoms. The multispecies atomic systems, with their…

Atomic Physics · Physics 2018-11-14 Fuyu Sun , Zhiyuan Jiang , Jifeng Qu , Zhenfei Song , Jie Ma , Dong Hou , Xiaochi Liu

Efficient detection of magnetic fields is central to many areas of research and has important practical applications ranging from materials science to geomagnetism. High sensitivity detectors are commonly built using direct…

Mesoscale and Nanoscale Physics · Physics 2013-01-07 Mustafa Bal , Chunqing Deng , Jean-Luc Orgiazzi , Florian Ong , Adrian Lupascu
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