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We estimate chemical freeze-out parameters in HRG and EVHRG model by fitting the experimental information of net-proton and net-charge fluctuations measured in Au + Au collisions by the STAR collaboration at RHIC. We observe that chemical…

核理论 · 物理学 2017-07-11 Rama Prasad Adak , Supriya Das , Sanjay K. Ghosh , Rajarshi Ray , Subhasis Samanta

In this minireview article, we examine the inconsistent results of thermal parameters derived from various models in high-energy collisions. Through a comprehensive literature review and based on the average transverse momentum or the…

高能物理 - 唯象学 · 物理学 2025-03-05 Ting-Ting Duan , Sahanaa Büriechin , Hai-Ling Lao , Fu-Hu Liu , Khusniddin K. Olimov

Centrality-dependent double-differential transverse momentum spectra of charged pions, kaons, and (anti)protons produced in mid-pseudorapidity interval in $\sqrt{s_{NN}}=200$ GeV gold-gold and deuteron-gold collisions with different…

高能物理 - 唯象学 · 物理学 2022-03-22 Muhammad Waqas , Fu-Hu Liu

We study the chemical freeze-out dynamics of strange particles ($K,\, \Lambda,\, \Sigma$) from a homogeneous and isotropically expanding hadronic system of $\pi, K, \rho, N, \Lambda$ and $\Sigma$ with zero net baryon density. We use the…

核理论 · 物理学 2021-09-01 Sushant K. Singh , Purabi Ghosh , Jajati K. Nayak

A model of charged hole-pair bosons, with long range Coulomb interactions and very weak interlayer coupling, is used to calculate the order parameter -Phi- of underdoped cuprates. Model parameters are extracted from experimental superfluid…

超导电性 · 物理学 2010-01-12 Alexander Mihlin , Assa Auerbach

The BRAHMS experiment at RHIC has measured the production of charged hadrons as a function of pseudorapidity and transverse momentum in Au+Au, d+Au and p+p collisions at a common energy of sqrt(s_NN)=200GeV, and from these spectra we…

核实验 · 物理学 2019-08-14 B. H. Samset

We study the identified particle ratios produced at mid-rapidity in heavy ion collisions, along with their correlations with the collision energy. We employ our earlier proposed Unified Statistical Thermal Freeze-out Model (USTFM), which…

高能物理 - 唯象学 · 物理学 2015-11-18 Inam-ul Bashir , Saeed Uddin

We predict a non-monotonous temperature dependence of the persistent currents in a ballistic ring coupled strongly to a stub in the grand canonical as well as in the canonical case. We also show that such a non-monotonous temperature…

介观与纳米尺度物理 · 物理学 2009-10-31 M. V. Moskalets , P. Singha Deo

At thermal equilibrium, different chemical freezeout conditions have been proposed so far. They have an ultimate aim of proposing a universal description for the chemical freezeout parameters ($T_{ch}$ and $\mu_b$), which are to be…

高能物理 - 唯象学 · 物理学 2016-03-24 A. Tawfik , M. Y. El-Bakry , D. M. Habashy , M. T. Mohamed , E. Abbas

The doping and temperature dependence of the electronic Raman response in cuprate superconductors is studied within the framework of the kinetic energy driven superconducting mechanism for the t-J model. It is shown that the temperature…

超导电性 · 物理学 2010-11-15 Zhihao Geng , Shiping Feng

We calculate the temperature dependence of the weak localization correction in a two dimensional system at arbitrary relation between temperature, $T$ and the elastic mean free time. We describe the crossover in the dephasing time…

无序系统与神经网络 · 物理学 2016-01-11 B. N. Narozhny , Gábor Zala , I. L. Aleiner

By taking advantage of a stability criterion established recently, the critical temperature $T_c$ is reckoned with help of the microscopic parameters, characterising the normal and superconducting electrons, namely the independent-electron…

综合物理 · 物理学 2021-08-11 Jacob Szeftel , Nicolas Sandeau , Michel Abou Ghantous , Muhammad El-Saba

The measured elliptic flow (v2) of identified particles as a function of pT and centrality at RHIC suggests the created medium in Au+Au collisions achieves early local thermal equilibrium that is followed by hydrodynamic expansion. It is…

核实验 · 物理学 2009-11-11 Erik Johnson

We analyzed the transverse momentum {\ppt} spectra of different particle species containing strange quark {\ks}, {\lam (\alam)} and {\xim ({\axi})} in different centrality intervals at mid-rapidity ($y$) from {\auau} collisions at…

高能物理 - 唯象学 · 物理学 2022-09-07 M. U. Ashraf , Junaid Tariq , Sumaira Ikram , A. M. Khan

Based on the microscopic model introduced previously the observed specific heat and ac-susceptibility data in the superconducting phase in Sr_2RuO_4 with applied magnetic fields are described consistently within a phenomenological approach.…

强关联电子 · 物理学 2009-11-07 Ralph Werner

We calculate the mean-over-variance ratio of the net-kaon fluctuations in the Hadron Resonance Gas (HRG) Model for the five highest energies of the RHIC Beam Energy Scan (BES) for different particle data lists. We compare these results with…

We have calculated the temperature dependence of the conductance variation ($\delta S(T)$) of mesoscopic superconductor normal metal(S/N) structures, in the diffusive regime, analysing both weak and strong proximity effects. We show that in…

超导电性 · 物理学 2009-10-31 R. Seviour , C. J. Lambert , A. F. Volkov

The effect of finite temperature $T$ and finite strain rate $\dot\gamma$ on the statistical physics of plastic deformations in amorphous solids made of $N$ particles is investigated. We recognize three regimes of temperature where the…

统计力学 · 物理学 2015-05-19 Smarajit Karmakar , Edan Lerner , Itamar Procaccia , Jacques Zylberg

We calculate superconducting transition temperatures ($T_{\rm c}$) in sulfur hydrides H$_{2}$S and H$_{3}$S from first principles using the density functional theory for superconductors. At pressures of $\lesssim$150 GPa, the high values of…

超导电性 · 物理学 2015-07-08 Ryosuke Akashi , Mitsuaki Kawamura , Shinji Tsuneyuki , Yusuke Nomura , Ryotaro Arita

The relaxation of hot nuclear matter to an equilibrated state in the central zone of heavy-ion collisions at energies from AGS to RHIC is studied within the microscopic UrQMD model. It is found that the system reaches the (quasi)equilibrium…