activity
20072026
most citedOptically Enhanced Electric Field Sensing Using Nitrogen-Vacancy Ensembles

63 citations · 208 across the 30 of their papers we have counts for

collaborators

32 papers

cond-mat.mes-hall2026

Symmetry considerations in chirality-induced spin selectivity

Dmitry Budker, Angela Wittmann

The chirality-induced spin selectivity (CISS) effect, the coupling between structural chirality and electron spin polarization, has been experimentally observed across many diverse…

hep-ex2026

Solid-state nuclear magnetic resonance search for axion-like dark matter with broadband SQUID magnetometry

Andrew J. Winter, János Ádám, Deniz Aybas +5

We report the results of an experimental search for ultralight axion-like dark matter in the mass ranges 19.5--20.5 and 21.5--22 neV. The Cosmic Axion Spin Precession Experiment-el…

hep-ph2026

Superfluid He-4 as Dark Matter Detectors

Zizhou Huang, Mihaela Parvu, Dmitry Budker +2

Superfluid helium-4 is an attractive medium for high-sensitivity detection of dark matter (DM) candidates (as well as other particles). There are several collaborations that have b…

physics.optics2026

Generation of continuous-wave laser light at 148.4 nm using cavity-enhanced second harmonic generation in

Keerthan Subramanian, Hiroki Tanaka, Simon J. Herr +22

The development of a nuclear optical clock based on \textsuperscript{229}Th is expected to influence the next generation of time and frequency standards. At its heart is the need f…

hep-ex2026

Ferromagnetic broadband sensing of axionlike dark matter

Chenhao Peng, Dmitry Budker, Yuanning Gao +6

Levitated particles have demonstrated ultrahigh sensitivity to magnetic fields and accelerations owing to their extremely low dissipation. Such systems have strong potential for fu…

cond-mat.other2026

Control of relaxation properties of a macroscopic nuclear spin ensemble

János Ádám, Andrew J. Winter, Deniz Aybas +4

Macroscopic spin ensembles in solids are powerful platforms for quantum sensing and precision metrology. A key challenge is controlling the nuclear spin population relaxation time…

physics.atom-ph2026

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…

cond-mat.mtrl-sci2026

Magnetic Microscopy of Skyrmions in Magnetic Thin Films with Chiral Overlayers

Buddhika Hondamuni, Théo Balland, Fabian Kammerbauer +15

Topologically nontrivial magnetic textures such as skyrmions offer promising opportunities for spintronic applications. In recent years, it has been shown that the magnetic propert…

hep-ex2026

First Axion Search Results of the SUPAX Prototype Experiment

Tim Schneemann, Hendrik Bekker, Dmitry Budker +4

The SUPerconduction AXion search experiment (Supax) is a future haloscope-type detector designed to probe axion-like particles (ALPs) as candidates for dark matter and solutions to…

hep-ph2026★ 1 cited

Cavity, lumped-circuit, and spin-based detection of axion dark matter: differences and similarities

Deniz Aybas, Hendrik Bekker, Dmitry Budker +12

Axions and axion-like particles are compelling candidates for ultralight bosonic dark matter, forming coherent oscillating fields that can be probed by experiments known as halosco…

physics.med-ph2026★ 1 cited

Human Cardiac Measurements with Diamond Magnetometers

Muhib Omar, Magnus Benke, Shaowen Zhang +27

We demonstrate direct, non-invasive and non-contact detection of human cardiac magnetic signals using quantum sensors based on nitrogen-vacancy (NV) centers in diamond. Three confi…

physics.app-ph2026

Zero- to low-field J-spectroscopy with a diamond magnetometer

Muhib Omar, Jingyan Xu, Raphael Kircher +8

We report measurements of zero- to ultra-low-field nuclear magnetic resonance (ZULF NMR) signals at frequencies of a few hertz with a diamond-based magnetic sensor. The sensing dia…

quant-ph2025

Microwave-free vector magnetometry and crystal orientation determination with Nitrogen-Vacancy centers using Bayesian inference

Hilario Espinós, Omkar Dhungel, Arne Wickenbrock +3

Nitrogen-vacancy (NV) centers in diamond provide a solid-state platform for quantum sensing. While optically detected magnetic resonance techniques offer high sensitivity, their re…

cond-mat.supr-con2025★ 1 cited

Low-field all-optical detection of superconductivity using NV nanodiamonds

Omkar Dhungel, Saravanan Sengottuvel, Mariusz Mrozek +5

Nitrogen-vacancy centers in nanodiamond offer a microwave-free, noninvasive platform for probing superconductors via near zero-field cross-relaxation magnetometry. We demonstrate t…

cond-mat.mtrl-sci2025★ 1 cited

Quantum Imaging of Ferromagnetic van der Waals Magnetic Domain Structures at Ambient Conditions

Bindu, Amandeep Singh, Amir Hen +10

Recently discovered 2D van der Waals magnetic materials, and specifically Iron-Germanium-Telluride (), have attracted significant attention both from a fundamen…

hep-ph2025★ 3 cited

Notes on optimizing a multi-sensor gradient axion-like particle dark matter search

Daniel Gavilan-Martin, Grzegorz Łukasiewicz, Derek F. Jackson Kimball +3

Axion-like particles (ALPs) arise from well-motivated extensions to the Standard Model and could account for the dark matter. We discuss the scaling of the sensitivity of a galacti…

hep-ex2025★ 4 cited

Search for Axionlike Dark Matter Using Liquid-State Nuclear Magnetic Resonance

Julian Walter, Olympia Maliaka, Yuzhe Zhang +13

We search for dark matter in the form of axionlike particles (ALPs) in the mass range - by probing their possible couplin…

cond-mat.supr-con2024

Study of NbN as superconducting material for the usage in superconducting radio frequency cavities

Kristof Schmieden, Tim Schneemann, Matthias Schott +4

A new axion-haloscope is setup at the Johannes Gutenberg university of Mainz, named the Supax (a SUPerconducting AXion search) experiment. This setup is used to characterize the be…

quant-ph2024★ 1 cited

Towards high-sensitivity magnetometry with nitrogen vacancy centers in diamond using the singlet infrared absorption

Ali Tayefeh Younesi, Muhib Omar, Arne Wickenbrock +2

The negatively-charged nitrogen vacancy (NV) center in diamond is widely used for quantum sensing since the sensitivity of the spin triplet in the electronic ground state to…

quant-ph2024

Temperature shift of magnetic-field-dependent photoluminescence features of nitrogen-vacancy ensembles in diamond

Irena Rodzoń, Xue Zhang, Viktor Ivády +3

Recently significant attention has been paid to magnetic-field-dependent photoluminescence (PL) features of the negatively charged nitrogen-vacancy (NV) centers in diamond. These f…

quant-ph2024★ 6 cited

Microwave-free imaging magnetometry with nitrogen-vacancy centers in nanodiamonds at near-zero field

Saravanan Sengottuvel, Omkar Dhungel, Mariusz Mrózek +4

Magnetometry using Nitrogen-Vacancy (NV) color centers in diamond predominantly relies on microwave spectroscopy. However, microwaves may hinder certain studies involving biologica…

hep-ph2024★ 8 cited

Searching for dark matter with a 1000 km baseline interferometer

Daniel Gavilan-Martin, Grzegorz Lukasiewicz, Mikhail Padniuk +8

Axion-like particles (ALPs) arise from well-motivated extensions to the Standard Model and could account for dark matter. ALP dark matter would manifest as a field oscillating at a…

quant-ph2024

Ramsey interferometry of nuclear spins in diamond using stimulated Raman adiabatic passage

Sean Lourette, Andrey Jarmola, Jabir Chathanathil +6

We report the first experimental demonstration of stimulated Raman adiabatic passage (STIRAP) in nuclear-spin transitions of N within nitrogen-vacancy (NV) color centers in…

cond-mat.mes-hall2024★ 7 cited

Near-zero-field microwave-free magnetometry with nitrogen-vacancy centers in nanodiamonds

Omkar Dhungel, Mariusz Mrózek, Till Lenz +6

We study the fluorescence of nanodiamond ensembles as a function of static external magnetic field and observe characteristic dip features close to the zero field with potential fo…