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Lattice QCD results reveal that the critical parameters and the order of the quark-hadron phase transition are quite sensitive to the number of dynamical flavours and their masses included in the theory. Motivated by this result we develop…

高能物理 - 唯象学 · 物理学 2007-05-23 B. K. Patra , K. K. Singh , C. P. Singh

Hadron properties are studied at hot medium using the quark sigma model. The quark sigma model is extended to include eighth-order of mesonic interactions based on some aspects of quantum chromodynamic (QCD) theory. The extended effective…

高能物理 - 唯象学 · 物理学 2015-01-05 M. Abu-Shady , A. K. Abu-Nab

In this article we want to demonstrate that the time-scale constraints for a thermodynamic system imply the new concept of {\it equipartition of energy bound} (EEB) or, more generally, a thermodynamical bound for the {\it partition} of…

综合物理 · 物理学 2015-10-14 Nicolo' Masi

Collisions between heavy atomic nuclei at ultra-relativistic energies are carried out at particle colliders to produce the quark-gluon plasma, a state of matter where quarks and gluons are not confined into hadrons, and colour degrees of…

An approach is proposed enabling to effectively describe the behaviour of a bosonic system. The approach uses the quantum group $GL_{p,q}(2)$ formalism. In effect, considering a bosonic Hamiltonian in terms of the $GL_{p,q}(2)$ generators,…

高能物理 - 理论 · 物理学 2009-10-31 Ahmed Jellal

For a system of bosons that interact through a class of general memory kernels, a recurrence relation for the partition function is derived within the path-integral formalism. This approach provides a generalization to previously known…

量子气体 · 物理学 2021-09-02 Timour Ichmoukhamedov , Jacques Tempere

A thermodynamic system of non-interacting quantum particles changes its statistical distribution formulas if there is a universal limitation for the size of energetic quantum leaps (magnitude of quantum leaps smaller than Planck energy). By…

广义相对论与量子宇宙学 · 物理学 2015-03-17 Rainer Collier

We apply the thermal (imaginary time) perturbative expansion to the relevant effective field theory to compute characteristics of the phase transition to the ordered state which can occur at low temperatures in the gas of (nonrelativistic)…

量子气体 · 物理学 2023-09-27 Oskar Grocholski , Piotr H. Chankowski

We discuss the interacting hadron resonance gas model to describe the thermodynamics of hadronic matter. While the attractive interaction between hadrons is taken care of by including all the resonances with zero width, the repulsive…

高能物理 - 唯象学 · 物理学 2019-10-23 Guruprasad Kadam , Hiranmaya Mishra

We discuss the first law of thermodynamics of Bardeen black hole. The presence of magnetic monopole charge modifies the energy and we define the temperature of the system accordingly. We introduce a lower cut-off to the space time by…

高能物理 - 理论 · 物理学 2020-03-27 Dharm Veer Singh , Sanjay Siwach

Thermodynamic characteristics of the radiation of condensed combustion products presented in the form of agglomerates of metal-oxide nanoparticles demonstrate deviations from the classical Planck's law. We propose to interpret these…

等离子体物理 · 物理学 2022-03-29 G. S. Dragan , V. V. Kutarov , A. Y. Bekshaev

The thermodynamics framework of an interacting quantum gas trapped by an arbitrary external potential is reviewed. We show that for each confining potential, in the thermodynamic limit, there emerge "generalized" volume and pressure…

统计力学 · 物理学 2016-08-14 Nadia Sandoval-Figueroa , Víctor Romero-Rochín

The hadronization of an expanding partonic fireball is studied within the Parton-Hadron-Strings Dynamics (PHSD) approach which is based on a dynamical quasiparticle model (DQPM) matched to reproduce lattice QCD results in thermodynamic…

高能物理 - 唯象学 · 物理学 2008-11-26 W. Cassing , E. L. Bratkovskaya

The thermodynamic limit of the internal energy and the entropy of the system of quantum interacting particles in random medium is shown to exist under the crucial requirements of stability and temperedness of interactions. The energy turns…

数学物理 · 物理学 2012-01-24 Nikolaj A. Veniaminov

The number partitioning problem can be interpreted physically in terms of a thermally isolated non-interacting Bose gas trapped in a one-dimensional harmonic oscillator potential. We exploit this analogy to characterize, by means of a…

统计力学 · 物理学 2007-05-23 C. Weiss , M. Holthaus

An approximate partition functional is derived for the infinite-dimensional Hubbard model. This functional naturally includes the exact solution of the Falicov-Kimball model as a special case, and is exact in the uncorrelated and atomic…

凝聚态物理 · 物理学 2009-10-22 Y. M. Li , N. d'Ambrumenil

The equation of state of QCD matter for temperatures near and above the quark-hadron transition (165 MeV) is inferred within a Bayesian framework through the comparison of data from the Relativistic Heavy Ion Collider and from the Large…

核理论 · 物理学 2015-05-27 Scott Pratt , Evan Sangaline , Paul Sorensen , Hui Wang

We have developed a theoretical formalism to introduce temperature as a parameter into the framework of non-relativistic quantum mechanics using the laws of classical thermodynamics and the canonical ensemble scheme of statistical…

量子物理 · 物理学 2021-03-08 Ashkan Shekaari , Mahmoud Jafari

An accelerating observer sees a thermal bath of radiation at the Hawking temperature which is proportional to the acceleration. Also, in string theory there is a Hagedorn temperature beyond which one cannot go without an infinite amount of…

高能物理 - 理论 · 物理学 2011-07-19 Michael McGuigan

Important progress in understanding the behavior of hadronic matter at high density has been achieved recently, by adapting the techniques of condensed matter theory. At asymptotic densities, the combination of asymptotic freedom and BCS…

高能物理 - 唯象学 · 物理学 2016-11-23 Krishna Rajagopal , Frank Wilczek