217 citations · 922 across the 21 of their papers we have counts for
21 papers
Signature of a polyamorphic transition in the THz spectrum of vitreous GeO2
Alessandro Cunsolo, Yan Li, Chaminda N. Kodituwakku +10
The THz spectrum of density fluctuations, , of vitreous GeO at ambient temperature was measured by inelastic x-ray scattering from ambient pressure up to pressures wel…
Thermally triggered phononic gaps in liquids at THz scale
Dima Bolmatov, Mikhail Zhernenkov, Dmitry Zav'yalov +3
In this paper we present inelastic X-ray scattering experiments in a diamond anvil cell and molecular dynamic simulations to investigate the behavior of phononic excitations in liq…
Revealing the Mechanism of the Viscous-to-Elastic Crossover in Liquids
Dima Bolmatov, Mikhail Zhernenkov, Dmitry Zavyalov +3
In this work, we report on inelastic X-ray scattering experiments combined with the molecular dynamics simulations on deeply supercritical Ar. The presented results unveil the mech…
Unified phonon-based approach to the thermodynamics of solid, liquid and gas states
Dima Bolmatov, Dmitry Zavyalov, Mikhail Zhernenkov +2
We introduce a unified approach to states of matter (solid, liquid and gas) and describe the thermodynamics of the pressure-temperature phase diagram in terms of phonon excitations…
The Frenkel Line: a direct experimental evidence for the new thermodynamic boundary
Dima Bolmatov, M. Zhernenkov, D. Zav'yalov +3
Supercritical fluids play a significant role in elucidating fundamental aspects of liquid matter under extreme conditions. They have been extensively studied at pressures and tempe…
Persistent local order heterogeneity in the supercritical carbon dioxide
Dima Bolmatov, D. Zav'yalov, M. Gao +1
The supercritical state is currently viewed as uniform and homogeneous on the pressure-temperature phase diagram in terms of physical properties. Here, we study structural properti…
Local structure of supercritical matter
Dima Bolmatov, D. Zav'yalov, M. Zhernenkov
The supercritical state is currently viewed as uniform on the pressure-temperature phase diagram. Supercritical fluids have the dynamic motions of a gas but are able to dissolve ma…
Theory of dipolaron solutions
Dima Bolmatov, S. Bastrukov, P. Y. Lai +1
A fundamental task of statistical physics is to predict the system's statistical properties and compare them with observable data. We formulate the theory of dipolaron solutions an…
Structural Origin of Light Emission in Germanium Quantum Dots
A. V. Sapelkin, D. Bolmatov, A. Karatutlu +7
The origin of visible light emission from nanostructures has been a subject of an intense debate since the early work by L. E. Brus and A. P. Alivisatos in 1980s. The intense resea…
Evidence for structural crossover in the supercritical state
Dima Bolmatov, V. V. Brazhkin, Yu. D. Fomin +2
The state of matter above the critical point is terra incognita, and is loosely discussed as a physically homogeneous flowing state where no differences can be made between a liqui…
Symmetry breaking gives rise to energy spectra of three states of matter
Dima Bolmatov, Edvard T. Musaev, K. Trachenko
A fundamental task of statistical physics is to start with a microscopic Hamiltonian, predict the system's statistical properties and compare them with observable data. A notable c…
Helium at elevated pressures: Quantum liquid with non-static shear rigidity
Dima Bolmatov, V. V. Brazhkin, K. Trachenko
The properties of liquid helium have always been a fascinating subject to scientists. The phonon theory of liquids taking into account liquid non-static shear rigidity is employed…
Thermodynamic behavior of supercritical matter
Dima Bolmatov, V. V. Brazhkin, K. Trachenko
Since their discovery in 1822, supercritical fluids have been of enduring interest, and have started to be deployed in many important applications. Theoretical understanding of the…
Conductance enhancement due to atomic potential fluctuations in graphene
Dima Bolmatov, D. V. Zavialov
We solve the Dirac equation, which describes charge massless chiral relativistic carriers in a two-dimensional graphene. We have identified and analysed a novel pseudospin-dependen…
The phonon theory of liquid thermodynamics
Dima Bolmatov, Vadim Brazhkin, Kostya Trachenko
Heat capacity of matter is considered to be its most important property because it holds information about system's degrees of freedom as well as the regime in which the system ope…
Thermodynamic properties of tunneling quasiparticles in graphene-based structures
Dima Bolmatov
Thermodynamic properties of quasiparticles in a graphene-based structures are investigated. Two graphene superconducting layers (one superconducting component is placed on the top…
Liquid heat capacity in the approach from the solid state: anharmonic theory
Dima Bolmatov, Kostya Trachenko
Calculating liquid energy and heat capacity in general form is an open problem in condensed matter physics. We develop a recent approach to liquids from the solid state by accounti…
Graphene-based modulation-doped superlattice structures
Dima Bolmatov, Chung-Yu Mou
The electronic transport properties of graphene-based superlattice structures are investigated. A graphene-based modulation-doped superlattice structure geometry is proposed and co…
Josephson effect in Graphene SNS Junction with a Single Localized Defect
Dima Bolmatov, Chung-Yu Mou
Imperfections change essentially the electronic transport properties of graphene. Motivated by a recent experiment reporting on the possible application of graphene as junctions, w…
Tunneling Conductance of The Graphene SNS Junction with a Single Localized Defect
Dima Bolmatov, Chung-Yu Mou
We study the electronic transport in a graphene-based superconductor-normal(graphene)-superconductor (SNS) junction by use of the Dirac-Bogoliubov-de Gennes equation. We consider t…
Equations of state for simple liquids from the Gaussian equivalent representation method
Dima Bolmatov
Within the framework of Gaussian equivalent representation method a new procedure of obtaining equations of state for simple liquids is discussed in some technical details. The dev…