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A recent proposal of accelerator based fusion reactor considers a scheme where an ion beam from the accelerator hits the target plasma on the resonance of the fusion reaction so that the reactivity ($\sigma v$) can be an order of magnitude…

Plasma Physics · Physics 2025-02-21 Keh-Fei Liu

We explore combinations of particle and anti-particle yields which can be used to test thermal models in a parameter free way. We also explore combinations which can be used to extract $\mu_B/T$, $\mu_S/T$ and $\mu_Q/T$. We use…

High Energy Physics - Phenomenology · Physics 2026-05-22 Natasha Sharma , Lokesh Kumar , Sourendu Gupta

It is known that in thermal systems of finite size that are subject to second order phase transitions and until the spontaneous symmetry breaking is completed, the fluctuations of the order parameter obey to the dynamics of critical…

Statistical Mechanics · Physics 2023-05-09 Y. Contoyiannis , P. Papadopoulos , L. Matiadou , S. G. Stavrinides , M. Hanias , S. M. Potirakis

We study the temperature dependence of the Rashba-split bands in the bismuth tellurohalides BiTe$X$ $(X=$ I, Br, Cl) from first principles. We find that increasing temperature reduces the Rashba splitting, with the largest effect observed…

Materials Science · Physics 2017-10-18 Bartomeu Monserrat , David Vanderbilt

In the spirit of multi-scale modelling magnetization dynamics at elevated temperature is often simulated in terms of a spin model where the model parameters are derived from first principles. While these parameters are mostly assumed…

Materials Science · Physics 2017-07-04 A. Deák , D. Hinzke , L. Szunyogh , U. Nowak

The RHIC Beam Energy Scan focuses on the study of the QCD phase diagram --- temperature ($T$) vs. baryon chemical potential ($\mu_B$). The aim is to verify some predictions from QCD: that a cross-over occurs at $\mu_B$ = 0, that there…

Nuclear Experiment · Physics 2011-09-27 Lokesh Kumar

The temperature dependence of upper critical field B_c2 was determined from the shift of resistive transition \Delta T(B) in nearly optimally doped Nd_{2-x}Ce_xCuO_{4-y} single crystals. Within the experimental accuracy, the weak-field data…

Superconductivity · Physics 2009-11-07 V. F. Gantmakher , G. A. Emelchenko , I. G. Naumenko , G. E. Tsydynzhapov

We have studied the magnetic field dependence of the temperature derivative of the resistivity, dr(H,T)/dT, of a number of Y1-xCaxBa2(Cu1-yZny)3O7-d crystalline thin films over a wide range of sample compositions. From the analysis of the…

Superconductivity · Physics 2009-11-11 S. H. Naqib , J. R. Cooper , R. S. Islam

We show that measurements of the rapidity dependence of transverse momentum correlations can be used to determine the characteristic time $\tau_\pi$ that dictates the rate of isotropization of the stress energy tensor, as well as the shear…

Nuclear Theory · Physics 2016-09-02 Sean Gavin , George Moschelli , Christopher Zin

To study the energy-dependent characteristics of thermodynamic and hydrodynamic parameters, based on the framework of a multi-source thermal model, we analyze the soft transverse momentum ($p_{T}$) spectra of the charged particles…

High Energy Physics - Phenomenology · Physics 2023-12-19 Xu-Hong Zhang , Hao-Ning Wang , Fu-Hu Liu , Khusniddin K. Olimov

The relationship between the vanishing of the heat capacities as $T\to0^+$ and the thermal stability is examined. The heat capacities vanish as fast as or faster than $T$ as $T\to0^+$ for states at the phase space boundary ($T=0$) to…

Statistical Mechanics · Physics 2025-12-10 Martín-Olalla , José María

The relationship between pion and kaon space-time freeze-out distributions and the HBT radius parameters in high-energy nucleus-nucleus collisions is investigated. We show that the HBT radius parameters in general do not reflect the R.M.S.…

Nuclear Theory · Physics 2014-11-18 D. Hardtke , S. A. Voloshin

We compare chemical and thermal analysis of the SPS Pb--Pb results at $158A$ GeV, and present a first chemical analysis of RHIC results. We show how a combined analysis of several strange hadron resonances can be used in a study of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Johann Rafelski , Giorgio Torrieri , Jean Letessier

Temperature dependences of thermoelectric power S(T) at $T>T_c$ of the Hg-based high temperature superconductors Hg$_{1-x}$R$_x$Ba$_2$Ca$_2$Cu$_3$O$_{8+\delta}$ (R=Re, Pb) have been analyzed with accounting for strong scattering of charge…

Superconductivity · Physics 2011-07-01 O. Babych , I. Gabriel , R. Lutsiv , M. Matviyiv , M. Vasyuk

We analyse the transverse momentum ($p_{\rm T}$)-spectra as a function of charged-particle multiplicity at midrapidity ($|y| < 0.5$) for various identified particles such as $\pi^{\pm}$, $K^{\pm}$, $K_S^0$, $p+\overline{p}$, $\phi$, $K^{*0}…

High Energy Physics - Phenomenology · Physics 2019-01-17 Arvind Khuntia , Himanshu Sharma , Swatantra Kumar Tiwari , Raghunath Sahoo , Jean Cleymans

It is shown that weak correlations between the pair-breaking impurities in superconductors influence a temperature dependence of the order parameter within the Ginzburg and Landau region if the correlation radius of impurities R is greater…

Superconductivity · Physics 2015-05-20 I. A. Fomin

We study the mass dependent hierarchy of kinetic freeze-out parameters of hadrons in low energy heavy-ion collisions. For this purpose, the transverse momentum and rapidity spectra of the identified hadrons produced in central Pb+Pb…

High Energy Physics - Phenomenology · Physics 2020-11-25 Sudhir Pandurang Rode , Partha Pratim Bhaduri , Amaresh Jaiswal , Ankhi Roy

We used the modified Hagedron function and analyzed the experimental data measured by the BRAHMS, STAR, PHENIX and ALICE Collaborations in Copper-Copper, Gold-Gold, deuteron-Gold, Lead-Lead, proton-Lead and proton-proton collisions, and…

High Energy Physics - Phenomenology · Physics 2021-11-17 Muhammad Waqas , Lu-Meng Liu , Guang-Xiong Peng , Muhammad Ajaz

Starting from the Ginzburg-Landau energy functional, we discuss how the presence of two order parameters and the coupling between them influence a superconducting ring in the fluctuative regime. Our method is exact, but requires numerical…

Superconductivity · Physics 2015-05-28 Jorge Berger , Milorad V. Milošević

Transverse mass spectra of pions and protons measured in central collisions of heavy ions at the SPS and at RHIC are compared to a hydrodynamic parameterization. While the chemical temperature needed at RHIC is significantly higher compared…

Nuclear Theory · Physics 2011-09-13 T. Peitzmann