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Related papers: Liquid-state nuclear spin comagnetometers

200 papers

Present protocols for obtaining the ultimate magnetic sensitivity of optically pumped magnetometers (OPMs) utilizing alkali-metal ensembles rely on uncorrelated atoms in stretched states. A new approach for calculating the spin projection…

Quantum Physics · Physics 2024-02-23 K. Mouloudakis , V. Koutrouli , I. K. Kominis , M. W. Mitchell , G. Vasilakis

The study of nuclear magnetic resonance and nuclear spin-lattice relaxation was conducted in an asymmetrically doped to $n\sim1.8\times10^{11}$ cm$^{-2}$ 16 nm AlAs quantum well grown in the $[001]$-direction. Dynamic polarization of…

Mesoscale and Nanoscale Physics · Physics 2016-12-22 A. V. Shchepetilnikov , D. D. Frolov , Yu. A. Nefyodov , I. V. Kukushkin , D. S. Smirnov , L. Tiemann , C. Reichl , W. Dietsche , W. Wegscheider

Detecting and controlling nuclear spin nano-ensembles is crucial for the further development of nuclear magnetic resonance (NMR) spectroscopy and for the emerging solid state quantum technology. Here we present the fabrication of a…

Motivated by a recent proposal by O. P. Sushkov and co-workers to search for a P,T-violating Schiff moment of the $^{207}$Pb nucleus in a ferroelectric solid, we have carried out a high-field nuclear magnetic resonance study of the…

Other Condensed Matter · Physics 2013-01-15 L. -S. Bouchard , A. O. Sushkov , D. Budker , J. J. Ford , A. S. Lipton

Spin transfer observables for the strangeness-production reaction Antiproton-Proton -> Antilambda-Lambda have been measured by the PS185 collaboration using a transversely-polarized frozen-spin target with an antiproton beam momentum of…

It is predicted that nuclear spin conversion in molecules can be efficiently controlled by strong laser radiation resonant to rovibrational molecular transition. The phenomenon can be used for substantial enrichment of spin isomers, or for…

Chemical Physics · Physics 2009-11-06 P. L. Chapovsky

The magnetic state of the single-component molecular compound, [Cu(tmdt)$_{2}$], is investigated by means of $^{1}$H-NMR. An abrupt spectral broadening below 13 K and a sharp peak in nuclear spin-lattice relaxation rate, $T_{1}^{-1}$, at 13…

Strongly Correlated Electrons · Physics 2012-05-31 Rina Takagi , Kazuya Miyagawa , Kazushi Kanoda , Biao Zhou , Akiko Kobayashi , Hayao Kobayashi

We report the results of an experimental search for ultralight axion-like dark matter in the mass range 162 neV to 166 neV. The detection scheme of our Cosmic Axion Spin Precession Experiment (CASPEr) is based on a precision measurement of…

We describe a series of laboratory experiments that can be performed with the Quantum Control apparatus sold by TeachSpin, which uses pulsed NMR techniques to observe the precession of protons in a liquid water sample. With a uniform…

Physics Education · Physics 2025-08-15 Kenneth G. Libbrecht

Proton decay detection could put in evidence physics beyond the Standard Model (BSM). In this context, multiple projects are searching for such events. We focused our work on two of the expected decay modes, $p \rightarrow \pi^+ +…

High Energy Physics - Phenomenology · Physics 2025-04-25 Denis Barbu , Mihaela Parvu , Ionel Lazanu

In response to recent proton spin relaxation-time measurements on NiCu(pba)(H$_2$O)$_3$$\cdot$2H$_2$O with ${pba}=1,3{-propylenebis(oxamato)}$, which is an excellent one-dimensional ferrimagnetic Heisenberg model system of spin-$(1,{1/2})$,…

Strongly Correlated Electrons · Physics 2009-10-31 Shoji Yamamoto

We demonstrate bias control of the hyperfine coupling between a single electron in an InAs quantum dot and the surrounding nuclear spins monitored through the positively charged exciton X+ emission. In applied longitudinal magnetic fields…

Mesoscale and Nanoscale Physics · Physics 2013-08-19 J. Nilsson , L. Bouet , A. J. Bennett , T. Amand , R. M. Stevenson , I. Farrer , D. A. Ritchie , S. Kunz , X. Marie , A. J. Shields , B. Urbaszek

Magnetic resonance with ensembles of electron spins is nowadays performed in frequency ranges up to 240 GHz and in corresponding magnetic fields of up to 10 T. However, experiments with single electron and nuclear spins so far only reach…

The nitrogen-vacancy (NV) center is an emerging platform for constructing inertial sensors. Its native nitrogen spin can serve as a gyroscope using Ramsey interferometry protocols. The sensitivities of these nuclear-spin-based NV gyroscopes…

Quantum Physics · Physics 2025-02-03 Johnathan Kuan , Gregory D. Fuchs

We study a large ensemble of nuclear spins interacting with a single electron spin in a quantum dot under optical excitation and photon detection. When a pair of applied laser fields satisfy two-photon resonance between the two ground…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Dimitrije Stepanenko , Guido Burkard , Geza Giedke , Atac Imamoglu

Time-resolved Kerr rotation measurements were performed in InGaAs/GaAs quantum wells nearby a doped Mn delta layer. Our magneto-optical results show a typical time evolution of the optically-oriented electron spin in the quantum well.…

A new method for detecting the magnetic resonance of electronic spins at low temperature is demonstrated. It consists in measuring the signal emitted by the spins with a superconducting qubit that acts as a single-microwave-photon detector,…

The nuclear spin is a prime candidate for quantum information applications due to its weak coupling to the environment and inherently long coherence times. However, this weak coupling also challenges the addressability of the nuclear spin.…

Quantum Physics · Physics 2025-12-15 Hester G. Vennema , Cristina Mier , Evert W. Stolte , Leonard Edens , Jinwon Lee , Sander Otte

We report on the dynamics of the Rabi oscillation and the Larmor precession of $^{15}$N nuclear spin using nonselective short microwave pulses for initialization of $^{15}$N nuclear spins. We observe the Larmor precession of $^{15}$N…

Quantum Physics · Physics 2023-06-14 Yusuke Azuma , Shintaro Nomura , Hideyuki Watanabe , Satoshi Kashiwaya

We experimentally investigate the coherence properties of a qubit stored in the Zeeman substates of the 5S1/2, F=1 hyperfine ground level of a single optically trapped Rb-87 atom. Larmor precession of a single atomic spin-1 system is…

Quantum Physics · Physics 2015-05-28 Wenjamin Rosenfeld , Jürgen Volz , Markus Weber , Harald Weinfurter