A5025458005- High-Energy Particle Collisions Research
- Quantum Chromodynamics and Particle Interactions
- Particle physics theoretical and experimental studies
- Pulsars and Gravitational Waves Research
- Advancements in Semiconductor Devices and Circuit Design
- Cold Atom Physics and Bose-Einstein Condensates
- Semiconductor materials and devices
- Gas Dynamics and Kinetic Theory
- Physics of Superconductivity and Magnetism
- Cosmology and Gravitation Theories
- Quantum, superfluid, helium dynamics
- Solar and Space Plasma Dynamics
- Semiconductor materials and interfaces
- Nuclear reactor physics and engineering
- Integrated Circuits and Semiconductor Failure Analysis
- Magnetic confinement fusion research
- Superconducting Materials and Applications
- Atomic and Subatomic Physics Research
- Nanowire Synthesis and Applications
- Advanced Memory and Neural Computing
- Dark Matter and Cosmic Phenomena
University of Chinese Academy of Sciences
2022-2025
China University of Mining and Technology
2024-2025
Tsinghua University
2016-2024
Indiana University Bloomington
2017-2023
Collaborative Innovation Center of Quantum Matter
2016-2020
City University of Hong Kong
2005-2006
Recently there has been significant interest in understanding the macroscopic quantum transport a many-body system of chiral fermions. A natural framework for describing such which is generally out equilibrium, equation its phase space distribution function. In this paper, we obtain complete solution covariant massless fermions, by starting from general Wigner function formalism and carrying consistent semiclassical expansion up to $\hat{\mathbf{O}}(\hbar)$ order. particular, clarify certain...
Built upon the state-of-the-art model a multiphase transport, we develop new module of chiral anomaly transport (CAT) to trace evolution initial topological charge gauge field created through sphaleron transition at finite temperature and external magnetic in heavy-ion collisions. The eventual experimental signals effect (CME) have been measured. CAT explicitly shows generation separation, CME are quantitatively agreement with measurements <a:math...
The global polarization of $\mathrm{\ensuremath{\Lambda}}/\overline{\mathrm{\ensuremath{\Lambda}}}$ and the splitting between them induced by rotation magnetic field has been investigated in a dynamical quark model taking into account axial-vector interaction anomalous moment quarks. It is found that leads to spin quarks antiquarks with same sign, while opposite which corresponds $\overline{\mathrm{\ensuremath{\Lambda}}}\ensuremath{-}\mathrm{\ensuremath{\Lambda}}$ splitting. combination two...
The magnetic fields in heavy-ion collisions are important ingredients for many interesting phenomena, such as the chiral effect, wave, directed flow ${v}_{1}$ of ${D}^{0}$ mesons, and splitting spin polarization $\mathrm{\ensuremath{\Lambda}}/\overline{\mathrm{\ensuremath{\Lambda}}}$. Quantitative studies these however, suffer from limited understanding dynamical evolution medium created by collisions, which remains a critical challenging problem. initial colliding nuclei decay very fast...
Recently there has been significant interest in the macroscopic manifestation of chiral anomaly many-body systems fermions. A notable example is Chiral Magnetic Effect (CME). Enthusiastic efforts have made to search for CME quark-gluon plasma created heavy ion collisions. crucial challenge that extremely strong magnetic field such collisions may last only a brief moment and current occur at so early stage matter still far from thermal equilibrium. This thus requires modeling an...
We investigate the signal of chiral magnetic effect (CME) in <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"><a:mrow><a:mi>Au</a:mi><a:mo>+</a:mo><a:mi>Au</a:mi></a:mrow></a:math> collisions and isobar <b:math xmlns:b="http://www.w3.org/1998/Math/MathML"><b:mrow><b:mmultiscripts><b:mi>Ru</b:mi><b:mprescripts/><b:mn>44</b:mn><b:mn>96</b:mn></b:mmultiscripts><b:mo>+</b:mo><b:mmultiscripts><b:mi>Ru</b:mi><b:mprescripts/><b:mn>44</b:mn><b:mn>96</b:mn></b:mmultiscripts></b:mrow></b:math>...
Abstract In this study, we investigate the impact of rotation on thermodynamic characteristics QCD matter using three-flavor NJL model. We examine temperature, quark chemical potential, and angular velocity dependencies key quantities, such as trace anomaly, specific heat, speed sound, momentum, moment inertia. As main finding our analysis, observe that sound exhibits a nonmonotonic behavior changes. Content from work may be used under terms Creative Commons Attribution 3.0 licence. Any...
According to the Kubo formulas we employ (3+1)-d parton cascade, Boltzmann approach of multiparton scatterings (BAMPS), calculate anisotropic transport coefficients (shear viscosity and electric conductivity) for an ultrarelativistic gas in presence a magnetic field. The results are compared with those recently obtained by using Grad's approximation. We find good agreements between both results, which confirms general use derived calculating quark-gluon plasma
We investigate the rotating quark matter in three-flavor Nambu--Jona-Lasinio (NJL) model. The chiral condensation, spin polarization, and number susceptibility of light strange quarks are carefully studied at finite temperatures without or with chemical potential this find that rotation suppresses condensation enhances first-order however for second-order polarization effect is complicated interesting. When extending to situation potential, we angular velocity also plays a crucial role,...
We study the inhomogeneous solitonic modulation of a chiral condensate within effective Nambu--Jona-Lasinio model when constant external magnetic field is present. The self-consistent Pauli-Villars regularization scheme adopted to manipulate ultraviolet divergence encountered in thermodynamic quantities. In order efficiently determine restoration lines, new kind Ginzburg-Landau expansion approach proposed here. At zero temperature, we find that both upper and lower boundaries oscillate with...
In this work, we study the relativistic quantum kinetic equations in $2+1$ dimensions from Wigner function formalism by carrying out a systematic semiclassical expansion up to $\ensuremath{\hbar}$ order. The derived allow us explore interesting transport phenomena dimensions. Within framework, parity-odd current induced external electromagnetic field is self-consistently derived. We also examine dynamical mass generation implementing four-fermion interaction with mean-field approximation....
Gauge fields provide the fundamental interactions in Standard Model of particle physics. field configurations with nontrivial topological windings are known to play crucial roles many important phenomena, from matter-antimatter asymmetry today's universe spontaneous chiral symmetry breaking strong interaction. Their presence is, however, elusive for direct detection experiments. Here we show that measurements magnetic effect (CME) heavy ion collisions can be used accessing fluctuations...
We have developed a modified technique to fabricate silicon–germanium on insulator (SGOI) starting with sandwiched structure of Si∕SiGe∕Si. By means oxidation and annealing, relaxed SiGe-on-insulator Ge fraction 34% has been produced. Our results indicate that the silicon cap suppresses loss at initial stage SiGe subsequent annealing process homogenizes also reduces enrichment under oxide. It is found strain in layer almost fully high temperature (∼1150°C) without generating any dislocations...
Hydrodynamics is a general theoretical framework for describing the long-time large-distance behaviors of various macroscopic physical systems, with its equations based on conservation laws such as energy-momentum and charge conservation. Recently there has been significant interest in understanding implications angular momentum corresponding hydrodynamic theory. In this work, we examine key conceptual issues theory relativistic regime where orbital spin components get entangled. We derive...
The interfacial and electrical characteristics of as-deposited or annealed A2O3 gate dielectric films grown on fully depleted SiGe-on-insulator are investigated. An layer composed SiOx GeOx is observed in the as-grown film. silicate formation effectively suppressed by formation. However, reduced to Ge extensive occurs after annealing. disappearance annealing leads a decrease density states.
There has been significant interest in recent years studying the spin polarization of hyperons heavy-ion collisions. However, describing dynamic quarks quark-gluon plasma fireballs detail presents a challenge. In this study, we conducted phenomenological investigation dynamical induced by magnetic field at pre-thermal stage collisions using recently developed theoretical tool chiral kinetic theory. This study comprehensive analysis process quark fields. Our findings demonstrate that is...
Relativistic heavy-ion collisions give rise to the formation of both deconfined QCD matter and a strong magnetic field. The spin heavy quarks is influenced by interactions with external field as well random scatterings thermal light partons. presence comprising charged can extend lifetime strength field, thereby enhancing degree quark polarization. However, tend diminish In this study, we utilize Landau-Lifshitz-Gilbert (LLG) equation investigate these contributions. Taking into account...
Magnetic fields in heavy-ion collisions are pivotal and subject to diverse factors. In this study, we quantitatively investigate the impact of fluid vorticity on evolution magnetic 20-50\% centrality class Au+Au collisions, with collision energies $\sqrt{s_{NN}}=(7.7, 14.5, 19.6, 27, 39, 62.4, 200)$ GeV. Our results indicate that leads a delay field, which effect becomes more pronounced as energy decreases. Additionally, have calculated mean field values freeze-out hypersurface for various...
Magnetic fields in heavy-ion collisions are pivotal and subject to diverse factors. In this study, we quantitatively investigate the impact of fluid vorticity on evolution magnetic 20%–50% centrality class <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mrow><a:mi>Au</a:mi><a:mo>+</a:mo><a:mi>Au</a:mi></a:mrow></a:math> collisions, with collision energies <c:math xmlns:c="http://www.w3.org/1998/Math/MathML"...
We present a comprehensive analysis of the dynamic process quark spin polarization induced by magnetic fields at prethermal stage in heavy-ion collisions using recently developed theoretical tool chiral kinetic theory. Our findings demonstrate that quarks is highly sensitive to interactions between quarks. These can delay decay early vectors while accelerating later vectors. Specifically, our simulations show detailed how polarize within fireball and reveal lead an acceleration effect on...