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天喆 周 (清华大学)18/10/2026, 14:00
One method used to infer the mass and radius of a neutron star is Pulse Profile Modelling (PPM). PPM connects X-ray emission from localized regions on the neutron star's surface to a modulated signal seen in X-ray detectors (such as NICER). The analysis requires relativistic raytracing， which creates a computational bottle-neck that leads to two issues: the analysis of data is very slow， and...
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志晗 李 (上海交通大学)18/10/2026, 14:20
Strong first-order QCD phase transitions from hadronic to quark matter can produce disconnected hybrid-star branches, and the evolution and fate of stellar configurations close to the onset of the unstable branch triggered by the phase transition may depend on finite-temperature and composition effects in the equation of state (EOS). To investigate these aspects, we perform three-dimensional...
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Mr 亦扬 彭 (北京大学理论物理研究所)18/10/2026, 14:40
We investigate the applicability of hydrodynamics in small collision systems by comparing viscous anisotropic hydrodynamics (VAH) with conventional viscous hydrodynamics (VH). In $\sqrt{s}=13$ TeV p+p collisions, VAH successfully describes $v_2\{2\}$, $v_3\{2\}$, and the negative $c_2\{4\}$, whereas VH requires evolution characterized by large shear Knudsen numbers. We further compare VAH and...
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Jeremy Hansen (chinese university of Hong Kong, Shenzhen)18/10/2026, 15:00
We investigate spin hydrodynamic properties with an focus on entropy production for massive spin 1/2 particles. We consider particle collisions both with and without the influence of chiral anomalies such as the chiral magnetic or vortical effects, encoded by Berry curvature. This manifests as a spatial shift ($\Delta$). In doing so we first define and entropy that makes use of the matrix...
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