English
Related papers

Related papers: Low temperature hcp to monoclinic structural trans…

200 papers

Lattice dynamical methods used to predict phase transformations in crystals typically deal with harmonic phonon spectra and are therefore not applicable in important situations where one of the competing crystal structures is unstable in…

Statistical Mechanics · Physics 2015-05-27 Petros Souvatzis , Sergiu Arapan , Olle Eriksson , Mikhail Katsnelson

The problem of photonic phase transition for the system of a two-level atomic ensemble interacting with a quantized single-mode electromagnetic field in the presence of optical collisions (OC) is considered. We have shown that for large and…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 A. P. Alodjants , I. Yu. Chestnov , S. M. Arakelian

We report a molecular dynamics simulation of a supercooled simple monatomic glass-forming liquid. It is found that the onset of the supercooled regime results in formation of distinct domains of slow diffusion which are confined to the…

Disordered Systems and Neural Networks · Physics 2009-11-07 Mikhail Dzugutov , Sergei I. Simdyankin , Fredrik H. M. Zetterling

We study the low-temperature behavior and the phase transition of a thin film by Monte Carlo simulation. The thin film has a simple cubic lattice structure where each site is occupied by a Potts parameter which indicates the molecular…

Statistical Mechanics · Physics 2015-06-11 Danh-Tai Hoang , Maciej Kasperski , Henryk Puszkarski , H. T. Diep

Directional solidification occurs in industrial and natural processes, such as freeze-casting, metal processing, biological cryopreservation and freezing of soils. Translational temperature gradient stage allows to control the process of…

Applied Physics · Physics 2020-11-10 Michael Chasnitsky , Victor Yashunsky , Ido Braslavsky

We have considered the model of the phase transition of the second order for the Coulomb frustrated 2D charged system. The coupling of the order parameter with the charge was considered as the local temperature. We have found that in such…

Strongly Correlated Electrons · Physics 2018-04-04 R. F. Mamin , T. S. Shaposhnikova , V. V. Kabanov

We investigate the relationship between ground-state (zero-temperature) quantum phase transitions in systems with variable Hamiltonian parameters and classical (temperature-driven) phase transitions in standard thermodynamics. An analogy is…

Nuclear Theory · Physics 2009-11-11 Pavel Cejnar , Stefan Heinze , Jan Dobes

Current vapor-compression technology is based on the gas-liquid transition of hazardous gas. The alternative cooling technology focuses on the solid caloric material. A new liquid barocaloric material, i.e. the liquid crystal, is proved to…

Soft Condensed Matter · Physics 2016-09-27 Zhongjian Xie , Yao Zhu

A first attempt to accommodate the chiral and deconfining phase transitions of QCD in the bottom-up holographic framework is given. We constrain the relation between dilaton field $\phi$ and metric warp factor $A_e$ and get several…

High Energy Physics - Phenomenology · Physics 2016-05-04 Zhen Fang , Song He , Danning Li

In this paper, we use the cell dynamics method to study the dynamics of phase transformation when three phases exist. The system we study is a two-dimensional system. The system is able to achieve three phases coexistence, which for…

Materials Science · Physics 2009-11-11 M. Iwamatsu

A simple monatomic system in two dimensions with a double-well interaction potential is investigated in a wide range of temperature by molecular dynamics simulation. The system is melted and equilibrated well above the melting temperature,…

Disordered Systems and Neural Networks · Physics 2015-05-13 Tomoko Mizuguchi , Takashi Odagaki

We formalize and prove the extension to finite temperature of a class of quantum phase transitions, acting as condensations in the space of states, recently introduced and discussed at zero temperature~(Ostilli and Presilla 2021 \textit{J.…

Quantum Physics · Physics 2023-01-10 Massimo Ostilli , Carlo Presilla

The high-pressure structural behavior of lanthanum monochalcogenides is investigated by theory and experiment. Theory comprises density functional calculations of LaS, LaSe and LaTe with the general gradient approximation for exchange and…

Materials Science · Physics 2009-11-13 G. Vaitheeswaran , V. Kanchana , S. Heathman , M. Idiri , T. Le Bihan , A. Svane , A. Delin , B. Johansson

A Wigner crystal formed with trapped ion can undergo structural phase transition, which is determined only by the mechanical conditions on a classical level. Instead of this classical result, we show that through consideration of quantum…

Strongly Correlated Electrons · Physics 2011-02-09 Zhe-Xuan Gong , G. -D. Lin , L. -M. Duan

A phase-field model for three-phase flows is established by combining the Navier-Stokes (NS) and the energy equations, with the Allen-Cahn (AC) and Cahn-Hilliard (CH) equations and is demonstrated analytically to satisfy the energy…

Fluid Dynamics · Physics 2024-12-24 Zhihua Wang , Lijing Zhou , Wenqiang Zhang , Xiaorong Wang , Shuguang Li , Xuerui Mao

We performed polarized Raman spectroscopy on mechanically exfoliated few-layer MoTe2 samples and observed both 1T' and Td phases at room temperature. Few-layer 1T' and Td MoTe2 exhibited a significant difference especially in interlayer…

Mesoscale and Nanoscale Physics · Physics 2021-01-25 Yeryun Cheon , Soo Yeon Lim , Kangwon Kim , Hyeonsik Cheong

We propose a thermodynamically consistent minimal model to study synchronization which is made of driven and interacting three-state units. This system exhibits at the mean-field level two bifurcations separating three dynamical phases: a…

Statistical Mechanics · Physics 2018-09-12 Tim Herpich , Juzar Thingna , Massimiliano Esposito

This article characterizes phase transitions in temperature within a specific space of H\"older continuous potentials, distinguished by their regularity and asymptotic behavior at zero. We also characterize the phase transitions in…

Dynamical Systems · Mathematics 2025-04-03 Daniel Coronel , Juan Rivera-Letelier

We use first-principles techniques to re-examine the suggestion that transitions seen in high-P experiments on Mo are solid-solid transitions from the bcc structure to either the fcc or hcp structures. We confirm that in the harmonic…

Materials Science · Physics 2015-05-28 Claudio Cazorla , Dario Alf`e , Michael J. Gillan

Coordination-related, two-dimensional (2D) structural phase transitions are a fascinating and novel facet of two-dimensional materials with structural degeneracies. Nevertheless, a unified theoretical account of these transitions remains…

Mesoscale and Nanoscale Physics · Physics 2018-01-31 Salvador Barraza-Lopez , Thaneshwor P. Kaloni , Shiva P. Poudel , Pradeep Kumar
‹ Prev 1 8 9 10 Next ›