Magic wavelength at 477 nm for the strontium clock transitionWe report the experimental measurement of a magic wavelength at 476.82362(8) nm for the 88Sr clock transition. The magic wavelength is determined through AC-Stark shift spectroscopy of atoms in an…Xinyuan Ma, Swarup Das, David Wilkowski et al.·Jul 6, 2025SaveLearn
Imaging atomic scattering potential in centroidal diffraction of elastic electronsThe Fraunhofer diffraction of quantum particles from materials with sharp electron-density edges or symmetric bond structures is ubiquitous. In contrast, diffraction from atoms with characteristic…R. Aiswarya, Jobin Jose, Nenad Simonović et al.·Jul 6, 2025SaveLearn
Orbital distortion and parabolic channel effects transform minima in molecular ionization probabilities into maximaIn the tunneling regime and at sufficiently low field amplitudes, the shape of orientation-dependent molecular ionization rate curves usually resembles the shape of the ionized orbital. As the…Imam S. Wahyutama, Denawakage D. Jayasinghe, Francois Mauger et al.·Jul 5, 2025SaveLearn
A general approximator for strong-field ionization ratesWe address the long-standing problem of determining accurate, time-resolved ionization rates for atoms in strong laser fields, a quantity that is fundamental to attosecond science. We show that it is…Manoram Agarwal, Armin Scrinzi, Vladislav S. Yakovlev·Jul 5, 2025SaveLearn
Water evaporation-driven dynamic diode for direct electricity generationHarnessing energy from ubiquitous water resources via molecular-scale mechanisms remains a critical frontier in sustainable energy research. Herein, we present a novel evaporation-driven power…Jiarui Guo, Xuanzhang Hao, Yuxia Yang et al.·Jul 5, 2025SaveLearn
Probing coherent electronic superpositions of singly- and doubly-excited states of krypton with attosecond four-wave mixing spectroscopyRadiative nonlinear four-wave mixing can monitor the evolution of electronic wave packets, providing access to lifetimes and quantifies the light induced couplings between excited states. We report…S. Yanez-Pagans, M. A. Alarcon, C. H. Greene et al.·Jul 5, 2025SaveLearn
Compact and robust design of the optical system for cold atom interferometer in spaceThe optical system is a complex and precise subsystem for the atom interferometer (AI), especially for those used in field or space applications. Here, we introduce the design of the optical system…Danfang Zhang, Jinting Li, Wenzhang Wang et al.·Jul 4, 2025SaveLearn
Measurement of the Differential Static Scalar Polarizability of the 88Sr+ Clock TransitionWe report on a precision measurement of the differential static scalar polarizability α0 of the 2\!S1/2 → 2\!D5/2 optical clock transition in the…T. Lindvall, K. J. Hanhijärvi, T. Fordell et al.·Jul 3, 2025SaveLearn
Laser-driven high-flux source of coherent quasi-monochromatic extreme ultraviolet radiation for coincidence spectroscopyWe present a source of coherent extreme ultraviolet (XUV) radiation with a flux of 1013 photons per second at 26.5 eV. The source is based on high-harmonic generation (HHG) in argon and pumped…Julian Späthe, Sebastian Hell, Martin Wünsche et al.·Jul 3, 2025SaveLearn
Electron Orbital Angular Momentum Polarization in Neutral AtomsWe demonstrate the polarization of electron orbital angular momentum (OAM) in neutral atoms by integrating the Zeeman effect with attosecond transient absorption spectroscopy (ATAS). Using density…Hongtao Hu, Sebastian Mai, Peng Peng et al.·Jul 3, 2025SaveLearn
Frequency reproducibility of solid-state Th-229 nuclear clocksSolid-state 229Th nuclear clocks are set to provide new opportunities for precision metrology and fundamental physics. Taking advantage of a nuclear transition's inherent low sensitivity to its…Tian Ooi, Jack F. Doyle, Chuankun Zhang et al.·Jul 1, 2025SaveLearn
Blackbody radiation Zeeman shift in Rydberg atomsWe consider the Zeeman shift in Rydberg atoms induced by room-temperature blackbody radiation (BBR). BBR shifts to the Rydberg levels are dominated by the familiar BBR Stark shift. However, the BBR…K. Beloy, B. D. Hunt, R. C. Brown et al.·Jul 1, 2025SaveLearn
Correlation-induced phase shifts and time delays in resonance enhanced high harmonic generation from Cr+We investigate resonance-enhanced high harmonic generation (rHHG) in Cr+ by comparing a 1D shape-resonant model, time-dependent density functional theory (TDDFT), and independent particle…Yoad Aharon, Adi Pick, Amir Hen et al.·Jul 1, 2025SaveLearn
Linewidth narrowing and wideband frequency modulation of a DBR laserWe present a scheme to phase-lock a 240 mW, 852 nm distributed Bragg reflector (DBR) laser to a fixed-frequency narrow-linewidth laser with a rapidly tunable frequency offset near 9 GHz. The…Jack Roth, Andrew Christensen, Madeline Bernstein et al.·Jul 1, 2025SaveLearn
Sensitivity Enhancement in Atom-Interferometer Gyroscopes via Phase-Modulation Signal Readout SchemeQuantum sensors based on atom interferometers are advancing both fundamental physics and practical applications, with higher sensitivity being a key requirement for these investigations. Here, we…Sotatsu Otabe, Naoki Kaku, Tomoya Sato et al.·Jun 29, 2025SaveLearn
Fault-tolerant hyper-Ramsey spectroscopy of ultra-narrow clock transitions with dynamical decouplingA probe laser field that interrogates an atomic transition also shifts it. Although Hyper-Ramsey (HR) spectroscopy was developed to mitigate these light-induced frequency shifts, the technique…B. Ilikj, T. Zanon-Willette, D. Wilkowski et al.·Jun 29, 2025SaveLearn
Experimental cross sections for K-shell ionization by electron impactA comprehensive compilation of experimental K-shell ionization cross sections induced by electron impact has been assembled, including results up to December 2024. The data are organized according to…Silvina P. Limandri, Alejo C. Carreras, Jorge C. Trincavelli et al.·Jun 28, 2025SaveLearn
Super-resolution of two Closely-spaced Electromagnetic Fields via Walsh-Modulated Dynamical Decoupling SpectroscopyDue to quantum fluctuations, non-orthogonal quantum states cannot be distinguished with complete certainty, making their underlying physical parameters difficult to resolve. Traditionally, it has…Hao Wu, Grant D. Mitts, Clayton Z. C. Ho et al.·Jun 28, 2025SaveLearn
Investigation of three-body F\"orster resonance for various spatial configurations of the three interacting Rubidium Rydberg atomsThree-body F\"orster resonances controlled by a dc electric field are of interest for the implementation of three-qubit quantum gates with single atoms captured in optical traps and laser-excited…I. I. Ryabtsev, I. N. Ashkarin, I. I. Beterov et al.·Jun 27, 2025SaveLearn
Second-order corrections of orders mα6 and mα6(m/M) to the spin-averaged energy in the HD+ and H2+ ionsThe relativistic second-order corrections at orders mα6 and mα6(m/M) in hydrogen molecular ions are calculated. Convergence of numerical results is studied, which allows estimating…Vladimir I. Korobov, Jean-Philippe Karr, Zhen-Xiang Zhong·Jun 27, 2025SaveLearn
On efficiency of double ionization of a three-electron atom in moderate laser field intensitiesWe study double ionization in a one-dimensional model of a three-electron atom exposed to strong short laser fields. The corresponding ab initio simulations reveal a characteristic ``knee'' in the…Dmitry Efimov·Jun 27, 2025SaveLearn
Floquet-engineered nondispersive wave packets in helium under combined periodic and static fieldsWe report the numerical observation of two-electron nondispersive wave packets in fully three-dimensional helium subjected to a linearly polarized monochromatic field. These localized quantum states…Alejandro González-Melan, John Fitzgerald León Ocampo, Javier Madroñero·Jun 26, 2025SaveLearn
An Imaging Radar Using a Rydberg Atom ReceiverRydberg atoms in a gas form are highly sensitive electric field probes capable of detecting and measuring the amplitude, phase, and polarization of broadband time-varying signals. Here, we present…William J. Watterson, Nikunjkumar Prajapati, Rodrigo Castillo-Garza et al.·Jun 25, 2025SaveLearn
IKEBANA: A Neural-Network approach for the K-shell ionization by electron impactA fully connected neural network was trained to model the K-shell ionization cross sections based on two input features: the atomic number and the incoming electron overvoltage. The training utilized…D. M. Mitnik, C. C. Montanari, S. Segui et al.·Jun 25, 2025SaveLearn
Theoretical study of transition matrix elements in cadmium for vacuum-ultraviolet generation in 229Th nuclear clock applicationsThe relativistic Fock-space coupled-cluster methods are applied to the cadmium atom. A large number of transition energies and matrix elements are calculated for the 5s2\:$ 1S 5snp\:…Gleb Penyazkov, Yanmei Yu, Leonid V. Skripnikov et al.·Jun 24, 2025SaveLearn