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Dislocations are one-dimensional (1D) topological line defects where the lattice deviates from the perfect crystal structure. The presence of dislocations transcends condensed matter research and gives rise to a diverse range of emergent…

We present a method for measurements of electric dipole moments on (sub)-mm size (basalt) particles levitated in an acoustic trap and centered within a plate capacitor. If an electric field is applied the particles oscillate with specific…

Instrumentation and Detectors · Physics 2022-02-07 F. Chioma Onyeagusi , Jens Teiser , Niclas Schneider , Gerhard Wurm

Using trapped ions in an entangled state we propose detecting a magnetic dipole of a single atom at distance of a few $\mu$m. This requires a measurement of the magnetic field gradient at a level of about 10$^{-13}$ Tesla/$\mu$m. We discuss…

Quantum Physics · Physics 2015-06-05 F. Schmidt-Kaler , R. Gerritsma

Diffraction-based methods have become an invaluable tool for the detailed assessment of residual strain and stress within experimental mechanics. These methods typically measure a component of the average strain within a gauge volume. It is…

Applied Physics · Physics 2019-02-25 J. N. Hendriks , C. M. Wensrich , A. Wills , V Luzin , A. W. T Gregg

Electric field measurement in plasmas permits quantitative comparison between the experiment and the simulation in this study. An electro-optic (EO) sensor based on Pockels effect is demonstrated to measure wave electric fields in the…

This paper presents a new method to determine all components of the electric field gradient tensor and orientation of the hyperfine magnetic field axis in the absorber Cartesian frame for M\"ossbauer spectroscopy for nuclear transitions…

Instrumentation and Detectors · Physics 2018-12-05 Krzysztof R. Szymański

Strain has a strong effect on the properties of materials and the performance of electronic devices. Their ever shrinking size translates into a constant demand for accurate and precise measurement methods with very high spatial resolution.…

We report on the observation of the reststrahl band assisted photocurrents in epitaxial graphene on SiC excited by infrared radiation. The peculiar spectral dependence for frequencies lying within the reststrahl band of the SiC substrate…

We show that far field diffraction image of spontaneously scattered Stokes photons can be used for detection of spin entanglement and for metrology of fields gradients in cold atomic ensembles. For many-body states with small or maximum…

Quantum Physics · Physics 2013-04-04 Hongyi Yu , Wang Yao

The integration of photonic components into surface ion traps provides a scalable approach for trapped-ion quantum computing, sensing, and metrology, enabling compact systems with enhanced stability and precision. However, the introduction…

Quantum Physics · Physics 2025-04-01 Guochun Du , Elena Jordan , Tanja E. Mehlstäubler

The single stretched-wire method is commonly used to measure the magnetic field strength and magnetic axis in an accelerator magnet. The integrated voltage at the connection terminals of the wire is a measure for the flux linked with the…

Accelerator Physics · Physics 2020-06-18 Stephan Russenschuck

We demonstrate an optically pumped $^{87}$Rb magnetometer in a microfabricated vapor cell based on a zero-field dispersive resonance generated by optical modulation of the $^{87}$Rb ground state energy levels. The magnetometer is operated…

Instrumentation and Detectors · Physics 2015-06-19 Ricardo Jimenez-Martinez , Svenja Knappe , John Kitching

Electric-field noise from the surfaces of ion-trap electrodes couples to the ion's charge causing heating of the ion's motional modes. This heating limits the fidelity of quantum gates implemented in quantum information processing…

Atomic Physics · Physics 2017-01-18 D. A. Hite , K. S. McKay , S. Kotler , D. Leibfried , D. J. Wineland , D. P. Pappas

We present a detailed spectroscopic investigation of a thermal $^{87}$Rb atomic vapour in a magnetic field of 1.5~T in the Voigt geometry. We fit experimental spectra for all Stokes parameters with our theoretical model \textit{ElecSus} and…

Atomic Physics · Physics 2021-01-12 Francisco S. Ponciano-Ojeda , Fraser D. Logue , Ifan G. Hughes

The decoherence of trapped-ion quantum gates due to heating of their motional modes is a fundamental science and engineering problem. This heating is attributed to electric-field noise arising from the trap-electrode surfaces. In this work,…

Atomic Physics · Physics 2017-03-15 E. Kim , A. Safavi-Naini , D. A. Hite , K. S. McKay , D. P. Pappas , P. F. Weck , H. R. Sadeghpour

It is well known that the neutrino masses affect the shape of the energy spectrum of tritium beta-decay electrons. However, experiments have yet to measure that distortion. The Project 8 experiment proposes to measure the spectral…

Nuclear Experiment · Physics 2011-10-12 N. S. Oblath

In the first part of the present work, the correction to photon emission rate of an oscillating two-level atom in the presence of electromagnetic quantum vacuum field has been investigated for two different configurations: (i) Atom is…

Quantum Physics · Physics 2020-01-29 F. Chegini , F. Kheirandish , M. R. Setare

We demonstrate Faraday spectroscopy with high duty cycle and sampling rate using atoms confined to a blue-detuned optical trap. Our trap consists of a crossed pair of high-charge-number hollow laser beams, which forms a dark, box-like…

Quantum Physics · Physics 2009-11-13 Matthew L. Terraciano , Mark Bashkansky , Fredrik Fatemi

Vector field measurement is demonstrated with an all-optical scalar atomic magnetometer using intrinsic parameters related to its scalar operation. The Bell-Bloom type atomic magnetometer measures the Larmor precession of cesium atoms…

Atomic Physics · Physics 2021-02-02 Rui Zhang , Rahul Mhaskar , Ken Smith , Easswar Balasubramaniam , Mark Prouty

Zinc oxide (ZnO) is the most important material for the fabrication of modern varistors (variable resistors). It is known that the highly nonlinear current-voltage relationship of ZnO varistors is due to effects taking place at the grain…

Materials Science · Physics 2010-03-30 Jan Harloff
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