English
Related papers

Related papers: Magnetometric sensitivity optimization for nonline…

200 papers

We report the design and performance of a non-magnetic drift stable optically pumped cesium magnetometer with a measured sensitivity of 35 fT at 200 s integration time and stability below 50 fT between 70 s and 600 s. To our knowledge this…

Applied Physics · Physics 2022-05-04 M. Rosner , D. Beck , P. Fierlinger , H. Filter , C. Klau , F. Kuchler , P. Rößner , M. Sturm , D. Wurm , Z. Sun

Sensors based on spin qubits in 2D crystals offer the prospect of nanoscale sensing volumes, where the close proximity of the sensor and source could provide access to otherwise inaccessible signals. For AC magnetometry, the sensitivity and…

Materials Science · Physics 2024-03-14 Charlie J. Patrickson , Simon Baber , Blanka B. Gaál , Andrew J. Ramsay , Isaac J. Luxmoore

Ultra-sensitive measurement of the magneto-optical rotation, due to interaction of linearly-polarized light passing through room-temperature Rb 85 atoms, in response to change in longitudinal magnetic field (\delta B_z ) is demonstrated…

Instrumentation and Detectors · Physics 2019-04-04 T. J. Vineeth Francis , Rashmi Ranjan Suna , P. K. Madhu , Nirmal K. Viswanathan , G. Rajalakshmi

In this work, we report nuclear magnetic resonance (NMR) combined with density functional theory (DFT) studies of the transition metal dichalcogenide ZrTe$_2$. The measured NMR shift anisotropy reveals a quasi-2D behavior connected to a…

Strongly Correlated Electrons · Physics 2020-10-28 Yefan Tian , Nader Ghassemi , Joseph H. Ross

We report on a precision measurement of the $D$ line tune-out wavelength of $^{87}$Rubidium in the hyperfine ground state $|F=1, m_F=0,\pm1 \rangle$ manifold at 790 nm, where the scalar ac Stark shifts of the $D_1$ and the $D_2$ lines…

Quantum Physics · Physics 2016-02-24 Felix Schmidt , Daniel Mayer , Michael Hohmann , Tobias Lausch , Farina Kindermann , Artur Widera

Magnetically induced (MI) transitions (F${}_{g}$ = 1 $\rightarrow$ F${}_{e}$= 3) of ${}^{87}$Rb D${}_{2}$ line are among the most promising atomic transitions for applications in laser physics. They reach their maximum intensity in the…

Atomic Physics · Physics 2023-05-10 Ara Tonoyan , Armen Sargsyan , Rodolphe Momier , Claude Leroy , David Sarkisyan

We investigate ferromagnetic resonance (FMR) modulation in $d$-wave superconductor (SC)/ferromagnetic insulator (FI) bilayer systems theoretically. The modulation of the Gilbert damping in these systems reflects the existence of nodes in…

Mesoscale and Nanoscale Physics · Physics 2022-05-06 Yuya Ominato , Ai Yamakage , Takeo Kato , Mamoru Matsuo

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 cell. By pumping K atoms and probing $^{87}$Rb atoms, we…

Atomic Physics · Physics 2017-11-22 Wenhao Li , Xiang Peng , Dmitry Budker , Arne Wickenbrock , Bo Pang , Rui Zhang , Hong Guo

Magnetic nanoparticles of gamma-Fe2O3 coated by organic molecules and suspended in liquid and solid matrices, as well as a non-diluted magnetic fluid have been studied by electron magnetic resonance (EMR) at 77-380 K. Slightly asymmetric…

Materials Science · Physics 2009-11-11 N. Noginova , F. Chen , T. Weaver , E. P. Giannelis , A. B. Bourlinos , V. A. Atsarkin

The impurity-induced antiferromagnetic ordering of the doped Haldane magnet Pb(Ni{1-x}Mg{x})2V2O8 (0 < x <0.06) was studied by electron spin resonance (ESR) on ceramic samples in the frequency range 9-110 GHz. Below the N\'{e}el temperature…

Strongly Correlated Electrons · Physics 2009-11-07 A. I. Smirnov , V. N. Glazkov , H. -A. Krug von Nidda , A. Loidl , L. N. Demianets , A. Ya. Shapiro

Spin-exchange relaxation free alkali-metal magnetometers typically operate in the regime of high optical density, presenting challenges for simple and efficient optical pumping and detection. We describe a high-sensitivity Rb magnetometer…

Atomic Physics · Physics 2009-03-16 V. Shah , M. V. Romalis

We present a novel method for probing the alignment of the molecular axis of an ultracold, nonpolar dimer. These results are obtained using diatomic $^{87}\textrm{Rb}_2$ molecules in the vibrational ground state of the lowest triplet…

Atomic Physics · Physics 2015-01-15 Markus Deiß , Björn Drews , Benjamin Deissler , Johannes Hecker Denschlag

We discuss nuclear spin comagnetometers based on ultra-low-field nuclear magnetic resonance in mixtures of miscible solvents, each rich in a different nuclear spin. In one version thereof, Larmor precession of protons and ${\rm ^{19}F}$…

We report on Fourier spectroscopy experiments performed with near-surface nitrogen-vacancy centers in a diamond chip. By detecting the free precession of nuclear spins rather than applying a multipulse quantum sensing protocol, we are able…

Quantum Physics · Physics 2016-05-18 J. M. Boss , K. Chang , J. Armijo , K. Cujia , T. Rosskopf , J. R. Maze , C. L. Degen

Dynamic nonlinear magneto-optical-rotation signals with frequency- and amplitude-modulated laser light have been observed and investigated with a spherical glass cell of 3-mm diameter containing Cs metal with inner walls coated with…

Atomic Physics · Physics 2009-11-11 M. V. Balabas , D. Budker , J. Kitching , P. D. D. Schwindt , J. E. Stalnaker

We review instrumentation for nuclear magnetic resonance (NMR) in zero and ultra-low magnetic field (ZULF, below 0.1 $\mu$T) where detection is based on a low-cost, non-cryogenic, spin-exchange relaxation free (SERF) $^{87}$Rb atomic…

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 nonlinear Zeeman effect all optically based on spin locking. Spin…

High-sensitivity magnetometry is of critical importance to the fields of biomagnetism and geomagnetism. However, the magnetometry for the low-frequency signal detection meets the challenge of sensitivity improvement, due to multiple types…

Quantum Physics · Physics 2022-04-18 Yijin Xie , Caijin Xie , Yunbin Zhu , Ke Jing , Yu Tong , Xi Qin , Haosen Guan , Chang-Kui Duan , Ya Wang , Xing Rong , Jiangfeng Du

We report on our 51V-NMR study of static and dynamical magnetic properties in the quasi-one-dimensional antiferromagnet BaCo2V2O8. Although the NMR spectrum shows well-defined antiferromagnetic (AF) order in the N\'eel ground state, the AF…

Strongly Correlated Electrons · Physics 2015-06-11 Yukiichi Ideta , Yu Kawasaki , Yutaka Kishimoto , Takashi Ohno , Yoshitaka Michihiro , Zhangzhen He , Yutaka Ueda , Mitsuru Itoh

We demonstrate the sensitivity of transverse-field muon spin rotation (TF-muSR) to static charge-density-wave (CDW) order in the bulk of 2H-NbSe2. In the presence of CDW order the quadrupolar interaction of the 93Nb nuclei with the local…

Superconductivity · Physics 2015-05-06 C. Gomez , D. Braam , S. Tezok , J. E. Sonier