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Related papers: Atomic Diffusion in the Surface State of Mott Insu…

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We study the role of surface topology, surface chemistry, and wall superheat temperature on the onset of boiling, bubble nucleation and growth, and the possible formation of an insulating vapour film by means of large-scale MD simulations.…

Soft Condensed Matter · Physics 2020-07-10 Armin Shahmardi , Outi Tammisola , Mauro Chinappi , Luca Brandt

We consider a simple fluid confined between two parallel walls (substrates), separated by a distance L. The walls exert competing surface fields so that one wall is attractive and may be completely wet by liquid (it is solvophilic) while…

Soft Condensed Matter · Physics 2014-09-01 Maria C. Stewart , Robert Evans

We present results of interface-resolved simulations of heat transfer in suspensions of finite-size neutrally-buoyant spherical particles for solid volume fractions up to 35% and bulk Reynolds numbers from 500 to 5600. An Immersed…

Fluid Dynamics · Physics 2020-07-15 Ali Yousefi , Mehdi Niazi Ardekani , Francesco Picano , Luca Brandt

Mossbauer spectroscopy and neutron scattering measurements on proteins embedded in solvents including water and aqueous mixtures have emphasized the observation of the distinctive temperature dependence of the atomic mean square…

Soft Condensed Matter · Physics 2012-01-12 S. Capaccioli , K. L. Ngai , S. Ancherbak , A. Paciaroni

The dynamics of solid deuterium (sD2) is studied by means of inelastic scattering (coherent and incoherent) of thermal and cold neutrons at different temperatures and para-ortho ratios. In this paper, the results for the generalized density…

Materials Science · Physics 2009-05-26 A. Frei , E. Gutsmiedl , C. Morkel , A. R. Müller , S. Paul , M. Urban , H. Schober , S. Rols , T. Unruh M. Hölzel

We apply noise thermometry to characterize charge and thermoelectric transport in single InAs nanowires (NWs) at a bath temperature of 4.2 K. Shot noise measurements identify elastic diffusive transport in our NWs with negligible…

Mesoscale and Nanoscale Physics · Physics 2016-10-03 E. S. Tikhonov , D. V. Shovkun , V. S. Khrapai , D. Ercolani , F. Rossella , M. Rocci , L. Sorba , S. Roddaro

We study near-equilibrium thermodynamics of bosonic atoms in a two-dimensional optical lattice by ramping up the lattice depth to convert a superfluid into an inhomogeneous mixture of superfluid and Mott insulator. Detailed study of in situ…

Quantum Gases · Physics 2013-05-29 Chen-Lung Hung , Xibo Zhang , Nathan Gemelke , Cheng Chin

Metal-insulator transition is observed in the La0.8Sr0.2MnO3 thin films with thickness larger than 5 unit cells. Insulating phase at lower temperature appeared in the ultrathin films with thickness ranging from 6 unit cells to 10 unit cells…

Materials Science · Physics 2016-07-05 Yaqing Feng , Kui-juan Jin , Lin Gu , Xu He , Chen Ge , Qing-hua Zhang , Min He , Qin-lin Guo , Qian Wan , Meng He , Hui-bin Lu , Guozhen Yang

Quantum spin Hall (QSH) insulators and Mott insulators are conventionally regarded as distinct insulating phases, arising from band topology and strong Coulomb interactions, respectively. Here, we report the observation of QSH edge…

Mesoscale and Nanoscale Physics · Physics 2026-05-21 Yifei Jin , Yaqi Ma , Aoqian Zhang , Nan Zhang , Ulf Lampe , Ivana Wong , Kenji Watanabe , Takashi Taniguchi , Tze Kin Cheung , Ning Wang , Kaifei Kang

If a material with an odd number of electrons per unit cell turns out to be insulating, Mott localisation may be invoked as an explanation. This is widely accepted for the layered compound 1T-TaS2, which has a low-temperature insulating…

Strongly Correlated Electrons · Physics 2020-06-24 C. J. Butler , M. Yoshida , T. Hanaguri , Y. Iwasa

We report the electrochemical investigation of 5% Al doped MoS$_2$@rGO composite as a high-performance anode for sodium (Na)-ion batteries. The x-ray diffraction (XRD), Raman spectroscopy and high-resolution transmission electron microscopy…

We report the structural, magnetic, and magnetocaloric properties of Co$_2$Cr$_{1-x}$Ti$_x$Al ($x=$ 0--0.5) Heusler alloys for spintronic and magnetic refrigerator applications. Room temperature X-ray diffraction and neutron diffraction…

Materials Science · Physics 2019-11-06 Priyanka Nehla , Yousef Kareri , Guru Dutt Gupt , James Hester , P. D. Babu , Clemens Ulrich , R. S. Dhaka

Phase transitions and their associated crossovers are imprinted in the behavior of fluctuations. Motivated by recent experiments on ultracold atoms in optical lattices, we compute the thermodynamic density fluctuations $\delta N^2$ of the…

Quantum Gases · Physics 2019-05-02 C. Walsh , P. Sémon , G. Sordi , A. -M. S. Tremblay

Liquid-infused surfaces (LIS) can reduce friction drag in both laminar and turbulent flows. However, the heat transfer properties of such multi-phase surfaces have still not been investigated to a large extent. We use numerical simulations…

Fluid Dynamics · Physics 2022-05-11 Johan Sundin , Umberto Ciri , Stefano Leonardi , Marcus Hultmark , Shervin Bagheri

We use a new variant of Molecular Static method for simulation of the atomic structure near nanovoids. In our model an iterative procedure is employed, in which the atomic structure in the void vicinity and the parameter determining the…

Materials Science · Physics 2020-04-06 A. V. Nazarov , A. A. Mikheev , A. P. Melnikov

In this paper we use density-functional theory calculations to analyze both the stability and diffusion of Cu adatoms near and on the H-passivated Si(001) surface. Two different Cu sources are considered: depositing Cu from vacuum, and…

Materials Science · Physics 2024-02-08 A. Rodriguez-Prieto , D. R. Bowler

Context. A statistically significant sampling of H2 rotational excitation in the diffuse interstellar medium (ISM) is essential to identifying its excitation mechanisms and assessing the importance of H2 in the cooling of the gas and the…

Astrophysics of Galaxies · Physics 2026-04-10 E. Nigou , B. Godard , P. Guillard , G. Pineau Des Forêts , M A Miville-Deschênes , P. Lesaffre

We study the dependence of the heat transfer between two semi-infinite solids on the dielectric properties of the bodies. We show that the heat transfer at short separation between the solids may increase by many order of magnitude when the…

Materials Science · Physics 2009-11-11 A. I. Volokitin , B. N. J. Persson

Electrical conductivity, Hall effect and magnetoresistance of In$_2$O$_3$:Sn thin films deposited on a glass substrates at different temperatures and oxygen pressures, as well as the films treated in a hydrogen plasma, have been…

We analyze the experimental data on inelastic neutron scattering by a thin ~5-atomic-layer film of liquid helium at three different temperatures: T=0.4K, 0.98K and 1.3K. These data were partially published previously, but here we present…

Other Condensed Matter · Physics 2019-06-26 P. D. Grigoriev , A. D. Grigoriev , A. M. Dyugaev