A5030310048- Cold Atom Physics and Bose-Einstein Condensates
- Quantum Information and Cryptography
- Quantum many-body systems
- Inorganic Chemistry and Materials
- Magnetic properties of thin films
- Atomic and Subatomic Physics Research
- Quantum, superfluid, helium dynamics
- Quantum and electron transport phenomena
- Quantum Computing Algorithms and Architecture
- Physics of Superconductivity and Magnetism
- Quantum Mechanics and Applications
- Heat Transfer and Optimization
- Photonic and Optical Devices
- Advanced Frequency and Time Standards
- Inorganic Fluorides and Related Compounds
- Distributed and Parallel Computing Systems
- Magnetic Properties of Alloys
- Heat Transfer and Boiling Studies
- Peptidase Inhibition and Analysis
- Crystal Structures and Properties
- Theoretical and Computational Physics
- Topological Materials and Phenomena
- Interconnection Networks and Systems
- Magnetic Properties and Applications
- Refrigeration and Air Conditioning Technologies
Southern University of Science and Technology
2022-2025
Heidelberg University
2016-2023
University of Science and Technology of China
2017-2023
CAS Key Laboratory of Urban Pollutant Conversion
2023
The University of Queensland
2023
University of Leeds
2023
Universität Innsbruck
2020-2022
Intelligent Health (United Kingdom)
2022
Hefei National Center for Physical Sciences at Nanoscale
2020
Durham University
2018-2019
Gauge theories form the foundation of modern physics, with applications ranging from elementary particle physics and early-universe cosmology to condensed matter systems. We perform quantum simulations unitary dynamics a U(1) symmetric gauge field theory demonstrate emergent irreversible behavior. The highly constrained are encoded in one-dimensional Bose-Hubbard simulator, which couples fermionic fields through dynamical fields. investigated global quenches equilibration steady state well...
The ongoing quest for understanding nonequilibrium dynamics of complex quantum systems underpins the foundation statistical physics as well development technology. Quantum many-body scarring has recently opened a window into novel mechanisms delaying onset thermalization by preparing system in special initial states, such $\mathbb{Z}_2$ state Rydberg atom system. Here we realize Bose-Hubbard simulator from previously unknown conditions unit-filling state. We develop quantum-interference...
We experimentally investigate the quantum criticality and Tomonaga-Luttinger liquid (TLL) behavior within one-dimensional (1D) ultracold atomic gases. Based on measured density profiles at different temperatures, universal scaling laws of thermodynamic quantities are observed. The critical regime relevant crossover temperatures determined through double-peak structure specific heat. In TLL regime, we obtain Luttinger parameter by probing sound propagation. Furthermore, a characteristic...
The topological $\theta$-angle in gauge theories engenders a series of fundamental phenomena, including violations charge-parity (CP) symmetry, dynamical transitions, and confinement--deconfinement transitions. At the same time, it poses major challenges for theoretical studies, as implies sign problem numerical simulations. Analog quantum simulators open promising prospect treating many-body systems with such terms, but, contrary to their digital counterparts, they have not yet demonstrated...
The quantum simulation of gauge theories on synthetic matter devices has gained a lot traction in the last decade, making possible observation range exotic many-body phenomena. In this work, we consider spin-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mn>1</mml:mn><mml:mrow class="MJX-TeXAtom-ORD"><mml:mo>/</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:math> link formulation <mml:math...
An accurate knowledge of the scattering length is fundamental in ultracold quantum gas experiments and essential for characterization system as well a meaningful comparison to theoretical models. Here, we perform careful $s$-wave ${a}_{\mathrm{s}}$ four highest-abundance isotopes erbium, magnetic field range from 0 5 G. We report on cross-dimensional thermalization measurements apply Enskog equations change numerically simulate process analytically extract an expression so-called number...
This paper delves into the practical application of K-Nearest Neighbors (KNN), Kernel Ridge Regression (KRR), and Lasso for prediction viscosity ionic liquids in a dataset characterized by categorical variables (Cation, Anion) numeric (T(K), xIL(mol%)). Indeed, mole percentage temperature were considered as inputs models. The models' effectiveness is rigorously assessed, with notably exhibiting exceptional predictive performance. To enhance model accuracy, Tabu Search employed an...
With the intensification of oil crisis, research on drag reduction technologies has gained increasing momentum. In tidal environments, effectiveness conventional methods, such as bionic non-smooth surfaces, super-hydrophobic biomimetic jet flow, wall surface vibration, etc., will be severely diminished. To enhance adaptability vehicles in variable fluid this study explores feasibility adjusting a vehicle through active head swing variants. The flexible oscillation was achieved by combining...
Tunneling is a genuine quantum phenomenon typically observed in low-mass particles such as electrons. However, it fades rapidly mass increases due to the exponential decay of matter-wave penetration depth. Cooling atoms nanokelvin temperatures enhances their matter wave characteristics. Here, we report observation coherent tunneling bonded cluster composed 5 ultracold rubidium-87 atoms, collectively forming massive object 435 u. Using double-well superlattice, integer occupancy states are...
We investigated the anti-tumor efficiency of sonodynamic therapy (SDT) on human tongue squamous carcinoma SAS cell line using low intensity ultrasound (LIU) 0.6 and 0.8 W/cm2, plus 5-aminolevulinic acid (ALA). Xenograft in vivo experiments Balb/ca nude mice MTT assays vitro showed that ALA-LIU significantly suppressed proliferation cells. markedly enhanced apoptosis rate compared to LIU alone. Based TEM fluorescence microscopy observations, there are notably morphology changes seriously...
We propose and implement a lattice scheme for coherently manipulating atomic spins. Using vector light shift superlattice structure, we demonstrate experimentally its capability on addressing spins in double wells square plaquettes with subwavelength resolution. The quantum coherence of spin manipulations is verified through measuring atom tunneling exchange dynamics. Our experiment presents building block engineering many-body states optical lattices realizing simulation computation tasks.
Scalable, coherent many-body systems can enable the realization of previously unexplored quantum phases and have potential to exponentially speed up information processing. Thermal fluctuations are negligible effects govern behavior such with extremely low temperature. We report cooling a simulator 10,000 atoms mass production high-fidelity entangled pairs. In two-dimensional plane, we cool Mott insulator samples by immersing them into removable superfluid reservoirs, achieving an entropy...
A novel optical image encryption scheme based on interference is proposed. The original digitally encoded into one phase-only mask by employing an improved Gerchberg-Saxton phase retrieval algorithm together with another predefined random which serves as the key. decryption process can be implemented optically Michelson interferometer using same regarded a stream-cipher-like system, and keys are same, however operations different. position coordinates light wavelength also used additional...
We perform two-photon photoassociation spectroscopy of the heteronuclear CsYb molecule to measure binding energies near-threshold vibrational levels $X{\phantom{\rule{3.33333pt}{0ex}}}^{2}{\mathrm{\ensuremath{\Sigma}}}_{1/2}^{+}$ molecular ground state. report results for $^{133}\mathrm{Cs}^{170}\mathrm{Yb}$, $^{133}\mathrm{Cs}^{173}\mathrm{Yb}$, and $^{133}\mathrm{Cs}^{174}\mathrm{Yb}$, in each case determining energy several including least-bound fit an interaction potential based on...
We report on the observation and coherent excitation of atoms narrow inner-shell orbital transition, connecting erbium ground state $[\mathrm{Xe}]4{f}^{12}{(}^{3}{\text{H}}_{6})6{s}^{2}$ to excited $[\mathrm{Xe}]4{f}^{11}({{(}^{4}{\text{I}}_{15/2})}^{0})5d{(}^{5}{\text{D}}_{3/2})6{s}^{2}{(15/2,3/2)}_{7}^{0}$. This transition corresponds a wavelength 1299 nm is optically closed. perform high-resolution spectroscopy extract ${g}_{J}$ factor 1299-nm determine frequency shift for four bosonic...
The imaging of smooth, highly curved or tilted surfaces is widely recognized as one the most challenging and unsolved problems in optical metrology today. reason that even when such are imaged using high aperture microscope objectives steepness features causes light to be reflected a way it not captured by lens. This true limiting case unity numerical since illuminating may also forward direction. In order overcome this fundamental problem we have developed method whereby specimens covered...
Non-Hermitian systems can exhibit unique quantum phases without any Hermitian counterparts. For example, the latest theoretical studies predict a new surprising phenomenon that bulk bands localize and dissipate prominently at system boundary, which is dubbed non-Hermitian edge burst effect. Here we realize one-dimensional Su-Schrieffer-Heeger lattice with translation symmetry implemented photonic walk. Employing time-resolved single-photon detection to characterize chiral motion boundary...
The topological $\theta$-angle is central to the understanding of a plethora phenomena in condensed matter and high-energy physics such as strong CP problem, dynamical quantum phase transitions, confinement--deconfinement transition. Difficulties arise when probing effects using classical methods, particular through appearance sign problem numerical simulations. Quantum simulators offer powerful alternate venue for realizing $\theta$-angle, which has hitherto remained an outstanding...
Gauge theories represent a fundamental framework underlying modern physics, constituting the basis of Standard Model and also providing useful descriptions various phenomena in condensed matter. Realizing gauge on accessible tunable tabletop quantum devices offers possibility to study their dynamics from first principles time evolution probe exotic including that generated by deviations invariance, which is not possible, e.g., dedicated particle colliders. Not only do cold-atom simulators...