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Magnetic resonance imaging, based on the manipulation and detection of nuclear spins, is a powerful imaging technique that typically operates on the scale of millimeters to microns. Using magnetic resonance force microscopy, we have…

Other Condensed Matter · Physics 2007-06-27 H. J. Mamin , M. Poggio , C. L. Degen , D. Rugar

Quantum entanglement, in the form of spin squeezing, is known to improve the sensitivity of atomic sensors to static or slowly varying fields. Sensing transient events presents a distinct challenge, requires different analysis tools, and…

Quantum Physics · Physics 2025-12-08 Julia Amoros-Binefa

We calculate the proton and neutron spin contributions for nuclei using semi-empirical methods, as well as a novel hybrid \emph{ab initio}/semi-empirical method, for interpretation of experimental data. We demonstrate that core-polarisation…

High Energy Physics - Phenomenology · Physics 2015-03-10 Y. V. Stadnik , V. V. Flambaum

Among the possible types of magnetic dipole interactions in molecular systems, couplings between nuclear motion and the nuclear spin have probably received the least attention in molecular spectroscopy. Although very small in comparison to…

Chemical Physics · Physics 2026-04-22 Matthias Diez , Johannes K. Krondorfer , Albert Hirtenfelder , Andreas W. Hauser

Different approaches have improved the sensitivity of either electron or nuclear magnetic resonance to the single spin level. For optical detection it has essentially become routine to observe a single electron spin or nuclear spin.…

Mesoscale and Nanoscale Physics · Physics 2016-06-29 Jörg Wrachtrup , Amit Finkler

We experimentally demonstrate the use of a single electronic spin to measure the quantum dynamics of distant individual nuclear spins from within a surrounding spin bath. Our technique exploits coherent control of the electron spin,…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Shimon Kolkowitz , Quirin P. Unterreithmeier , Steven D. Bennett , Mikhail D. Lukin

Searching for exotic interactions provides a path for exploring new particles beyond the standard model. Here, we used an ensemble-NV-diamond magnetometer to search for an exotic spin- and velocity-dependent interaction between polarized…

High Energy Physics - Experiment · Physics 2023-08-07 Diguang Wu , Hang Liang , Man Jiao , Yi-Fu Cai , Chang-Kui Duan , Ya Wang , Xing Rong , Jiangfeng Du

Among the four fundamental forces, only gravity does not couple to particle spins according to the general theory of relativity. We test this principle by searching for an anomalous scalar coupling between the neutron spin and the Earth…

General Relativity and Quantum Cosmology · Physics 2023-05-24 Shaobo Zhang , Zengli Ba , Denghui Ning , Nianfu Zhai , Zhengtian Lu , Dong Sheng

Zero-field nuclear magnetic resonance (NMR) provides complementary analysis modalities to those of high-field NMR and allows for ultra-high-resolution spectroscopy and measurement of untruncated spin-spin interactions. Unlike for the…

Quantum Physics · Physics 2022-03-01 Min Jiang , Teng Wu , John W. Blanchard , Guanru Feng , Xinhua Peng , Dmitry Budker

Nuclear electric resonance (NER) spectroscopy is currently experiencing a revival as a tool for nuclear spin-based quantum computing. Compared to magnetic or electric fields, local electron density fluctuations caused by changes in the…

Quantum Physics · Physics 2025-01-30 Johannes K. Krondorfer , Andreas W. Hauser

Spin/magnetisation relaxation and coherence times, respectively T_1 and T_2, initially defined in the context of nuclear magnetic resonance (NMR), are general concepts applicable to a wide range of systems, including quantum bits [1-4]. At…

Superconductivity · Physics 2015-11-10 C. H. L. Quay , Y. Chiffaudel , C. Strunk , M. Aprili

Nuclear spins and paramagnetic centers in a solid randomly group to form clusters featuring nearly-degenerate, hybrid states whose dynamics are central to processes involving nuclear spin-lattice relaxation and diffusion. Their…

The nuclear spin, being much more isolated from the environment than its electronic counterpart, enables quantum experiments with prolonged coherence times and presents a gateway towards uncovering the intricate dynamics within an atom.…

Mesoscale and Nanoscale Physics · Physics 2023-09-08 Lukas M. Veldman , Evert W. Stolte , Mark P. Canavan , Rik Broekhoven , Philip Willke , Laëtitia Farinacci , Sander Otte

We report non-invasive detection of spin coherence in a collection of Raman-driven cold atoms using dispersive Faraday rotation fluctuation measurements, which opens up new possibilities of probing spin correlations in quantum gases and…

Quantum Gases · Physics 2021-04-22 Maheswar Swar , Dibyendu Roy , Subhajit Bhar , Sanjukta Roy , Saptarishi Chaudhuri

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

Quantum sensing has seen rapid progress from laboratory research to real-world applications. Solid-state spin systems, particularly nitrogen-vacancy (NV) centers in diamond, are attractive for their ability to operate at room temperature…

Quantum Physics · Physics 2025-07-22 Jonathan Kenny , Feifei Zhou , Ruihua He , Fedor Jelezko , Teck Seng Koh , Weibo Gao

We present nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) measurements performed on single crystalline \ccag{}, a member of a recently discovered family of heavy fermion materials Ce$_2M$Al$_7$Ge$_4$ ($M$ = Co, Ir,…

Strongly Correlated Electrons · Physics 2018-12-21 A. P. Dioguardi , P. Guzman , P. F. S. Rosa , N. J. Ghimire , S. Eley , S. E. Brown , J. D. Thompson , E. D. Bauer , F. Ronning

Numerical modelling of coherent spin relaxation in nanomagnets, formed by magnetic molecules of high spins, is accomplished. Such a coherent spin dynamics can be realized in the presence of a resonant electric circuit coupled to the magnet.…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 V. I. Yukalov , V. K. Henner , P. V. Kharebov

A wide variety of nuclear magnetic resonance experiments rely on the prediction and analysis of relaxation processes. Recently, innovative approaches have been introduced where the sample travels through a broad range of magnetic fields in…

Nuclear magnetic resonance (NMR) is a powerful method for determining the structure of molecules and proteins. While conventional NMR requires averaging over large ensembles, recent progress with single-spin quantum sensors has created the…