159 citations · 2.7k across the 90 of their papers we have counts for
27 papers · 1 filter
Floquet engineering of spin-spin interactions in a hybrid atomic system
Daniel Gavilan-Martin, Grzegorz Łukasiewicz, Vincent Schäfer +8
We demonstrate dynamical control of the effective spin-spin interaction, dominated by Fermi-contact interaction, in a hybrid spin system via parametric modulation. We show that, in…
Search for a solar-bound axion halo using the Global Network of Optical Magnetometers for Exotic physics searches
Tatum Z. Wilson, Derek F. Jackson Kimball, Samer Afach +50
We report on a search for a gravitationally bound solar axion halo using data from the Global Network of Optical Magnetometers for Exotic physics searches (GNOME), a worldwide arra…
Universal determination of comagnetometer response to spin couplings
Mikhail Padniuk, Emmanuel Klinger, Grzegorz Lukasiewicz +6
We propose and demonstrate a general method to calibrate the frequency-dependent response of self-compensating noble-gas-alkali-metal comagnetometers to arbitrary spin perturbation…
Frequency-scanning considerations in axionlike dark matter spin-precession experiments
Yuzhe Zhang, Deniz Aybas Tumturk, Hendrik Bekker +4
Galactic dark matter may consist of axionlike particles (ALPs) that can be described as an "ultralight bosonic field" oscillating at the ALP Compton frequency. The ALP field can be…
Remote Detection Optical Magnetometry
Alexander M. Akulshin, Dmitry Budker, Felipe Pedreros Bustos +5
Sensitive magnetometers have been applied in a wide range of research fields, including geophysical exploration, bio-magnetic field detection, ultralow-field nuclear magnetic reson…
Ultrasensitive atomic comagnetometer with enhanced nuclear spin coherence
Kai Wei, Tian Zhao, Xiujie Fang +7
Achieving high energy resolution in spin systems is important for fundamental physics research and precision measurements, with alkali-noble-gas comagnetometers being among the bes…
Optimization of nuclear polarization in an alkali-noble gas comagnetometer
Emmanuel Klinger, Tianhao Liu, Mikhail Padniuk +6
Self-compensated comagnetometers, employing overlapping samples of spin-polarized alkali and noble gases (for example K-He) are promising sensors for exotic beyond-the-standard…
Heading-error-free optical atomic magnetometry in the Earth-field range
Rui Zhang, Dimitra Kanta, Arne Wickenbrock +2
Alkali-metal atomic magnetometry is widely used due to its high sensitivity and cryogen-free operation. However, when operating in geomagnetic field, it suffers from heading errors…
New Constraints on Exotic Spin-Velocity-Dependent Interactions
Kai Wei, Wei Ji, Changbo Fu +4
Experimental searches for new, "fifth" forces are attracting a lot of attention because they allow to test theoretical extensions to the standard model. Here, we report a new exper…
Satellite-assisted laser magnetometry with mesospheric sodium
Tong Dang, Emmanuel Klinger, Felipe Pedreros Bustos +3
Magnetic field sensing provides crucial insights into various geophysical phenomena such as atmospheric currents, crustal magnetism, and oceanic circulation. In this paper, a metho…
Stand-off magnetometry with directional emission from sodium vapors
Rui Zhang, Emmanuel Klinger, Felipe Pedreros Bustos +4
Stand-off magnetometry allows measuring magnetic field at a distance, and can be employed in geophysical research, hazardous environment monitoring, and security applications. Stan…
Magnetic sensing at zero field with a single nitrogen-vacancy center
Till Lenz, Arne Wickenbrock, Fedor Jelezko +2
Single nitrogen-vacancy (NV) centers are widely used as nanoscale sensors for magnetic and electric fields, strain and temperature. Nanoscale magnetometry using NV centers allows f…
Sensitive magnetometry in challenging environments
Kai-Mei C. Fu, Geoffrey Z. Iwata, Arne Wickenbrock +1
State-of-the-art magnetic field measurements performed in shielded environments with carefully controlled conditions rarely reflect the realities of those applications envisioned i…
Oscillating nuclear electric dipole moments inside atoms
Victor V. Flambaum, Dmitry Budker, Arne Wickenbrock
Interaction with the axion dark matter (DM) field generates an oscillating nuclear electric dipole moment (EDM) with a frequency corresponding to the axion's Compton frequency. Wit…
Evidence for degenerate mirrorless lasing in alkali metal vapor: forward beam magneto-optical experiment
Aram Papoyan, Svetlana Shmavonyan, Aleksandr Khanbekyan +6
We report an experimental observation of degenerate mirrorless lasing in forward direction under excitation of a dilute atomic Rb vapor with a single linearly polarized cw laser li…
All-Optical Spin Locking in Alkali-Vapor Magnetometers
Guzhi Bao, Dimitra Kanta, Dionysios Antypas +5
The nonlinear Zeeman effect can induce splittings and asymmetries of magnetic-resonance lines in the geophysical magnetic-field range. We demonstrate a scheme to suppress the nonli…
Searching for axion stars and Q-balls with a terrestrial magnetometer network
D. F. Jackson Kimball, D. Budker, J. Eby +6
Light (pseudo-)scalar fields are promising candidates to be the dark matter in the Universe. Under certain initial conditions in the early Universe and/or with certain types of sel…
Hybrid optical pumping of K and Rb atoms in a paraffin coated vapor cell
Wenhao Li, Xiang Peng, Dmitry Budker +4
Dynamic hybrid optical pumping effects with a radio-frequency-field-driven nonlinear magneto-optical rotation (RF NMOR) scheme are studied in a dual-species paraffin coated vapor c…
Suppression of nonlinear Zeeman effect and heading error in earth-field-range alkali-vapor magnetometers
Guzhi Bao, Arne Wickenbrock, Simon Rochester +1
The nonlinear Zeeman effect can induce splitting and asymmetries of magnetic-resonance lines in the geophysical magnetic field range. This is a major source of "heading error" for…
Application of Spin-Exchange Relaxation-Free Magnetometry to the Cosmic Axion Spin Precession Experiment
Tao Wang, Derek F. Jackson Kimball, Alexander O. Sushkov +7
The Cosmic Axion Spin Precession Experiment (CASPEr) seeks to measure oscillating torques on nuclear spins caused by axion or axion-like-particle (ALP) dark matter via nuclear magn…
Characterization of high-temperature performance of cesium vapor cells with anti-relaxation coating
Wenhao Li, Mikhail Balabas, Xiang Peng +4
Vapor cells with antirelaxation coating are widely used in modern atomic physics experiments due to the coating's ability to maintain the atoms' spin polarization during wall colli…
Compact setup for the production of Rb Bose-Einstein condensates in a hybrid trap
Raffaele Nolli, Michela Venturelli, Luca Marmugi +2
We present a compact experimental apparatus for Bose-Einstein condensation of Rb in the state. A pre-cooled atomic beam of Rb is obtained by…
Light shift averaging in paraffin-coated alkali vapor cells
Elena Zhivun, Arne Wickenbrock, Julia Sudyka +3
Light shifts are an important source of noise and systematics in optically pumped magnetometers. We demonstrate that the long spin coherence time in paraffin-coated cells leads to…
Magnetic induction tomography using an all-optical Rb atomic magnetometer
Arne Wickenbrock, Sarunas Jurgilas, Albert Dow +2
We demonstrate Magnetic Induction Tomography (MIT) with an all-optical atomic magnetometer. Our instrument creates a conductivity map of conductive objects. Both shape and size of…