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Transition temperature
About: Transition temperature is a research topic. Over the lifetime, 15422 publications have been published within this topic receiving 341618 citations.
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TL;DR: In this paper, the chiral condensate and the strange quark number susceptibility were derived on lattices up to $N_t=16 and $N-t=6,8,10$ respectively.
Abstract: The QCD transition is studied on lattices up to $N_t=16$. The chiral condensate is presented as a function of the temperature, and the corresponding transition temperature is extracted. The equation of state is determined on lattices with $N_t=6,8,10$ and at some temperature values with $N_t=12$. The pressure and the trace anomaly are presented as functions of the temperature in the range 100 ...1000 MeV . Using the same configurations we determine the continuum extrapolated phase diagram of QCD on the $\mu-T$ plane for small to moderate chemical potentials. Two transition lines are defined with two quantities, the chiral condensate and the strange quark number susceptibility.
4 citations
TL;DR: In this paper, the static properties of spin glasses are discussed within the Bethe-Peierls-Weiss approximation and the effect of a finite number of nearest neighbours is reflected in the expressions for the spin-glass transition temperature, the order parameter and the susceptibility.
Abstract: The static properties of spin glasses are discussed within the Bethe-Peierls-Weiss approximation. The effect of a finite number of nearest neighbours is reflected in the expressions for the spin-glass transition temperature, the order parameter and the susceptibility. In contrast to the results of the classical molecular field approximation, the susceptibility approaches the transition temperature from below with a finite positive slope.
4 citations
01 Jul 1990
TL;DR: In this paper, the electrical resistivity, magnetic susceptibility and thermoelectric power of PtGa2 were measured as a function of temperature (T) and the linear dependence of the S vs. T curve at temperatures above the Debye temperature.
Abstract: The electrical resistivity (p), magnetic susceptibility (X) and thermoelectric power (S) of PtGa2 were measured as a function of temperature (T). This compound is metallic at high temperatures, as shown from the room-temperature resistivity value and the linear dependence of the S vs. T curve at temperatures above the Debye temperature. It undergoes a superconducting phase transition with a critical temperature (Tc) at zero magnetic field of 2.13K. The density of states (DOS) at the Fermi energy (EF) at high temperatures obtained from X and S data are 22% and 15% higher, respectively, than the value obtained previously from a semi-empirical band-structure calculation.
4 citations
TL;DR: In this article, the confinement of silver selenide was investigated using mesoporous silica, and the results from x-ray diffraction and electron microscopy showed that the confined material still exhibits a β−α transition similar to the one that takes place in the bulk crystalline state but with a transition temperature that depends significantly on the confinement conditions.
Abstract: The confinement of silver selenide was investigated using mesoporous silica. Results from x-ray diffraction and electron microscopy show that the confined material still exhibits a β−α transition similar to the one that takes place in the bulk crystalline state but with a transition temperature that depends significantly on the confinement conditions. Decreasing the pore size leads to an increase of the transition temperature, opposite to the behavior of the melting point observed in several metallic and organic materials. In the free particles, on the other hand, no size dependence is observed with particle sizes down to 4 nm.
4 citations
TL;DR: The I to or from II phase transition of ammonium chloride has been studied using energy-dispersive powder diffraction with a synchrotron source of X-radiation as discussed by the authors.
Abstract: The I to or from II phase transition of ammonium chloride has been studied using energy-dispersive powder diffraction with a synchrotron source of X-radiation. The equilibrium transition temperature was found to be 184.5+or-0.5 degrees C and the activation energy for the transformation was found to be 213+or-15 kJ mol-1. The transition was satisfactorily described using the Avrami equation with a shape parameter of 3.
4 citations