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Related papers: Phase transformation in boron under shock compress…

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The lowest-lying states of LiH have been widely used to develop and calibrate many different methods in quantum mechanics. In this paper we show that the electron-transfer processes occurring in these two states are a difficult test for…

The possible occurrence of a first-order hadron-quark phase transition (FOPT) in neutron-star interiors remains an open question. Whether such a transition can be directly tested with improved observations is a key challenge. Here, we…

High Energy Astrophysical Phenomena · Physics 2025-10-08 Shao-Peng Tang , Yong-Jia Huang , Yi-Zhong Fan

Phase relaxation of electrons transferring through an electromechanical transistor is studied using the Aharonov-Bohm interferometer. With the approach of quantum master equation, the phase properties of an electron are numerically analyzed…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Wenxi Lai , Yunhui Xing , Zhongshui Ma

Using quantum molecular dynamic simulations, we have studied the thermophysical properties of warm dense carbon monoxide under extreme conditions. The principal Hugoniot, which is derived from the equation of state, shows excellent…

Materials Science · Physics 2015-05-28 Yu-Juan Zhang , Cong Wang , Da-Fang Li , Ping Zhang

An anisotropic equation of state is proposed for accurate extrapolation of high-pressure shock Hugoniot states to other thermodynamics states for shocked single crystals and polycrystalline alloys. The proposed equation of state represents…

Materials Science · Physics 2009-11-25 Alexander A. Lukyanov

First-order phase transition in a highly correlated electron system can manifest as a dynamic phenomenon. The presence of multiple domains of the coexisting phases average out the dynamical effects making it nearly impossible to predict the…

Mesoscale and Nanoscale Physics · Physics 2014-09-17 Devendra Kumar , K. P. Rajeev , J. A. Alonso , M. J. Martínez-Lope

We present Gibbs free-energy phase diagrams for compressed iron within a pressure range of 20 to 300 GPa and electronic temperature up to 3 eV obtained using finite-temperature density functional and density functional perturbation…

Materials Science · Physics 2025-11-07 S. Azadi , S. M. Vinko

We present a theoretical study of solid carbon dioxide up to 50GPa and 1500K using first-principles calculations. In this pressure-temperature range, interpretations of recent experiments have suggested the existence of CO2 phases which are…

Materials Science · Physics 2009-11-10 S. A. Bonev , F. Gygi , T. Ogitsu , G. Galli

Observations of SN1006 have shown that ions and electrons in the plasma behind fast supernova remnant shock waves are far from equilibrium, with the electron temperature much lower than the proton temperature and ion temperatures…

Astrophysics of Galaxies · Physics 2015-06-03 J. C. Raymond , R. J. Edgar , P. Ghavamian , W. P. Blair

Spin-state transitions, observed in many transition metal compounds containing Co$^{3+}$ and Fe$^{2+}$, may occur with the change of temperature, pressure, but also with doping, in which case the competition of single-site effects and…

Strongly Correlated Electrons · Physics 2009-07-24 A. O. Sboychakov , K. I. Kugel , A. L. Rakhmanov , D. I. Khomskii

The equation of state for the pion gas is analyzed within the third virial approximation. The second virial coefficient is found from the pion-pion- scattering data, while the third one is considered as a free parameter. The proposed model…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Kostyuk , M. Gorenstein , H. Stoecker , W. Greiner

We study the suppression of high-pT hadron spectra in nuclear collisions, supplementing the perturbative QCD factorized formalism with radiative parton energy loss. We find that the nuclear modification factor which quantifies the degree of…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. J. Eskola , H. Honkanen , C. A. Salgado , U. A. Wiedemann

We investigate the compression of nuclear matter in relativistic hydrodynamics. Nuclear matter is described by a $\sigma-\omega$--type model for the hadron matter phase and by the MIT bag model for the quark--gluon plasma, with a first…

Nuclear Theory · Physics 2009-10-28 Dirk H. Rischke , Yaris Puersuen , Joachim A. Maruhn

{\gamma}-B28 is a recently established high-pressure phase of boron. Its structure consists of icosahedral B12 clusters and B2 dumbbells in a NaCl-type arrangement (B2){\delta}+(B12){\delta}- and displays a significant charge transfer…

The phase transition enthalpy of condensed materials can be altered by factors such as electric fields, and such variations in turn affect physical and chemical behaviors including phase equilibrium. However, due to the neglect of…

Soft Condensed Matter · Physics 2025-09-03 Xuefeng Xu , Chengzhi Yu , Liran Ma

A phase diagram for a 2D metal with variable carrier density has been derived. It consists of a normal phase, where the order parameter is absent; a so-called ``abnormal normal'' phase where this parameter is also absent but the mean number…

Superconductivity · Physics 2009-10-30 Valery P. Gusynin , Vadim M. Loktev , Sergei G. Sharapov

This study explores the transitional characteristics of blue-core helicon discharge, which to our knowledge was not particularly focused on before. Parameters are measured on recently built advanced linear plasma device, i.e. Multiple…

The effect of external static charging on borophenes - 2D boron crystals - is investigated by using first principles calculations. The influence of the excess negative charge on the stability of the 2D structures is examined using a very…

Materials Science · Physics 2021-09-21 T. Tarkowski , J. A. Majewski , N. Gonzalez Szwacki

The phase transition in the Weinberg-Salam-Glashow (GSW) electroweak theory extended by the majoron and dilaton field is considered. The possibility of the boson condensation in the extreme conditions in the standard electroweak theory is…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Ma'nka

Boron phosphide (BP) is a (super)hard semiconductor constituted of light elements, which is promising for high demand applications at extreme conditions. The behavior of BP at high temperatures and pressures is of special interest but is…

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