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The spatial resolution of imaging magnetometers has benefited from scanning probe techniques. The requirement that the sample perturbs the scanning probe through a magnetic field external to its volume limits magnetometry to samples with…

Quantum Physics · Physics 2017-04-05 J. van Bree , M. E. Flatté

Axion-like particles (ALPs) are predicted to mediate exotic interactions between spin and mass. We propose an ALP-searching experiment based on the levitated micromechanical oscillator, which is one of the most sensitive sensors for…

Quantum Physics · Physics 2021-03-09 Fang Xiong , Tong Wu , Yingchun Leng , Rui Li , Changkui Duan , Xi Kong , Pu Huang , Zhengwei Li , Yu Gao , Xing Rong , Jiangfeng Du

We report the results of a search for axionlike dark matter using nuclear magnetic resonance (NMR) techniques. This search is part of the multi-faceted Cosmic Axion Spin Precession Experiment (CASPEr) program. In order to distinguish…

We present a novel numerical scheme for simulating the motion of relativistic charged particles in magnetospheres of compact objects, typically filled with highly magnetized collisionless plasmas. The new algorithm is based on a dynamic…

High Energy Astrophysical Phenomena · Physics 2020-11-04 Fabio Bacchini , Bart Ripperda , Alexander A. Philippov , Kyle Parfrey

We experimentally demonstrate a method for measuring correlations of wideband magnetic signals with spatial resolution below the optical diffraction limit. Our technique employs two nitrogen-vacancy (NV) centers in diamond as nanoscale…

Atom interferometers deployed in space are excellent tools for high precision measurements, navigation, or Earth observation. In particular, differential interferometric setups feature common-mode noise suppression and enable reliable…

We demonstrate a novel quantum sensor for measuring non-magnetic spin-dependent interactions. This sensor utilizes $^{131}$Xe, $^{129}$Xe, and $^{85}$Rb which are continuously polarized transverse to a pulsed bias field. The transverse…

Atomic Physics · Physics 2019-12-12 Daniel A. Thrasher , Susan S. Sorensen , Thad G. Walker

We have developed an inelastic wave scattering based colliding-probe bi-atomic magnetometer theory. We show a propagation growth blockade in single probe based magnetic field sensing schemes, revealing the root cause of strong suppression…

Quantum Physics · Physics 2022-03-15 Lu Deng

We present a NMR pulse double-irradiation method which allows one to separate magnetic from quadrupolar contributions in the spin-lattice relaxation. The pulse sequence fully saturates one transition while another is observed. In the…

Materials Science · Physics 2009-10-31 A. Suter , M. Mali , J. Ross , D. Brinkmann

A rotating dusty plasma apparatus was constructed to provide the possibility of experimental emulation of extremely high magnetic fields by means of the Coriolis force, observable in a co-rotating measurement frame. We present collective…

Plasma Physics · Physics 2014-06-02 Peter Hartmann , Zoltán Donkó , Torben Ott , Hanno Kählert , Michael Bonitz

We describe a room-temperature alkali-metal atomic magnetometer for detection of small, high frequency magnetic fields. The magnetometer operates by detecting optical rotation due to the precession of an aligned ground state in the presence…

Atomic Physics · Physics 2010-10-12 M. P. Ledbetter , V. M. Acosta , S. M. Rochester , D. Budker , S. Pustelny , V. V. Yashchuk

We propose a scheme to generate double electromagnetically induced transparency and optimal cross-phase modulation for two slow, copropagating pulses with matched group velocities in a single species of atom, namely 87 Rb. A single pump…

Quantum Physics · Physics 2007-05-23 Zeng-Bin Wang , Karl-Peter Marzlin , Barry C. Sanders

We study the suppression of nonlinear interactions in resonant macroscopic quantum devices in the case of the solid-state ring laser gyroscope. These nonlinear interactions are tuned by vibrating the gain medium along the cavity axis. Beat…

We measure the statistical polarization of quadrupolar nuclear spins in a sub-micrometer (0.6 um^3) particle of GaAs using magnetic resonance force microscopy. The crystalline sample is cut out of a GaAs wafer and attached to a…

Mesoscale and Nanoscale Physics · Physics 2016-11-25 Fei Xue , D. P. Weber , P. Peddibhotla , M. Poggio

A shift of paradigm to obtain (sub-)Kelvin environment is currently on-going with the democratization of cryogen-free cryocoolers, boosted by their easy-to-use and continuous operation without the need of liquid helium whose cost and…

Other Condensed Matter · Physics 2025-10-06 Mathieu Taupin , Kamel Dougdag , Djamel Ziane , Francois Couedo

Nuclear Magnetic Resonance (NMR) is an intriguing quantum-mechanical effect that is used for daily life medical diagnostics and chemical analysis alike. Numerous advancements have contributed to the success of the technique, including…

Chemical Physics · Physics 2020-04-28 Andrey N. Pravdivtsev , Frank D. Sönnichsen , Jan-Bernd Hövener

Nitrogen vacancy (NV) centers in diamond are atom-scale defects with long spin coherence times that can be used to sense magnetic fields with high sensitivity and spatial resolution. Typically, the magnetic field projection at a single…

Bolometric experiments searching for rare events usually require an extremely low radioactive background to prevent spurious signals from mimicking those of interest, spoiling the sensitivity of the apparatus. In such contexts, radioactive…

Instrumentation and Detectors · Physics 2018-03-28 P. Carniti , L. Cassina , A. Giachero , C. Gotti , G. Pessina

Spin polarized atomic ensembles can be used for the precise measurement of magnetic field. Conventional atomic magnetometers have demonstrated high sensitivities, albeit at low detection bandwidth, fundamentally limited by the Larmor…

We place new limits on potential T- and P- violating monopole-dipole interactions between unpolarized nucleons and neutrons using dual species magnetic resonance in polarzed Xe gas. Free-induction decay transients with relaxation times ~20…

Atomic Physics · Physics 2013-09-11 M. Bulatowicz , R. Griffith , M. Larsen , J. Mirijanian , T. G. Walker , C. B. Fu , E. Smith , W. M. Snow , H. Yan
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