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Quantum Monte Carlo simulations of a two-component Bose mixture of trapped dipolar atoms of identical masses and dipole moments, provide numerical evidence of de-mixing at low finite temperatures. De-mixing occurs as a consequence of…

量子气体 · 物理学 2013-05-29 Piyush Jain , Massimo Boninsegni

A one-dimensional nonlinear model of the so-called upper hybrid oscillations in a magnetoactive plasma is investigated taking into account electron-ion collisions. It is known that both the presence of an external magnetic field of strength…

数学物理 · 物理学 2021-11-30 Maria I. Delova , Olga S. Rozanova

The dynamic structure factor of a harmonically trapped Bose gas has been calculated well above the Bose-Einstein condensation temperature by treating the gas cloud as a canonical ensemble of noninteracting classical particles. The static…

量子气体 · 物理学 2015-05-14 Jai Carol Cruz , C. N. Kumar , K. N. Pathak , J. Bosse

Lateral microsegregation in a monolayer of a binary mixture of particles or macromolecules is studied by MD simulations in a generic model with the interacting potentials inspired by effective interactions in biological or soft-matter…

软凝聚态物质 · 物理学 2025-05-26 M. Litniewski , W. T. Gozdz nd A. Ciach

Using molecular dynamics simulation, we examine the dynamics of crystal, polycrystal, and glass in a Lennard-Jones binary mixture composed of small and large particles in two dimensions. The crossovers occur among these states as the…

软凝聚态物质 · 物理学 2010-05-04 Hayato Shiba , Akira Onuki

We investigate the dynamic structure factor of a system of Bose particles at zero temperature using quantum Monte Carlo methods. Interactions are modeled using a hard-sphere potential of size $a$ and simulations are performed for values of…

量子气体 · 物理学 2015-06-17 Riccardo Rota , Filippo Tramonto , Davide Emilio Galli , Stefano Giorgini

Circumstellar disks in binaries are perturbed by the companion gravity causing significant alterations of the disk morphology. Spiral waves due to the companion tidal force also develop in the vertical direction and affect the disk…

地球与行星天体物理 · 物理学 2015-06-16 Giovanni Picogna , Francesco Marzari

We examine the changeover in the particle configurations and the dynamics in dense Lennard-Jones binary mixtures composed of small and large particles. By varying the composition at a low temperature, we realize crystal with defects,…

软凝聚态物质 · 物理学 2011-05-17 Hayato Shiba , Akira Onuki

Solvation of ions is ubiquitous on our planet. Solvated ions have a profound effect on the behavior of ionic solutions, which is crucial in nature and technology. Experimentally, ions have been classified into "structure makers" or…

软凝聚态物质 · 物理学 2021-07-27 Rui Shi , Anthony J. Cooper , Hajime Tanaka

The ion-ion interactions become exponentially screened for ions confined in ultranarrow metallic pores. To study the phase behaviour of an assembly of such ions, called a superionic liquid, we develop a statistical theory formulated on…

软凝聚态物质 · 物理学 2016-10-12 Maxym Dudka , Svyatoslav Kondrat , Alexei Kornyshev , Gleb Oshanin

Recently, it has been experimentally confirmed that non-equilibrium dynamics of phase separation in strongly ferromagnetic Bose-Einstein condensates of $^7$Li atoms obey the dynamic scaling law belonging to the binary-fluid universality…

量子气体 · 物理学 2025-06-19 Ryuta Ito , Hiromitsu Takeuchi

We use numerical simulations to examine two-dimensional particle mixtures that strongly phase separate in equilibrium. When the system is externally driven in the presence of quenched disorder, plastic flow occurs in the form of meandering…

统计力学 · 物理学 2009-11-13 A. Libal , C. Reichhardt , C. J. Olson Reichhardt

We investigate the formation, stability, and dynamics of solitons in a one-dimensional binary Bose-Einstein condensate under the action of the spin-orbit-coupling (SOC) and Lee-Huang-Yang (LHY) correction to the underlying system of the…

量子气体 · 物理学 2025-08-15 Gui-hua Chen , Hongcheng Wang , Boris A. Malomed , Haiming Deng , Yongyao Li

Using extensive particle-based simulations, we investigate out-of-equilibrium pattern dynamics in an oppositely driven binary particle system in two dimensions. A surprisingly rich dynamical behavior including lane formation, jamming,…

软凝聚态物质 · 物理学 2015-06-05 Masahiro Ikeda , Hirofumi Wada , Hisao Hayakawa

We consider the demixing of a binary fluid mixture, under gravity, which is steadily driven into a two phase region by slowly ramping the temperature. We assume, as a first approximation, that the system remains spatially isothermal, and…

软凝聚态物质 · 物理学 2009-11-10 M. E. Cates , J. Vollmer , A. Wagner , D. Vollmer

Morphologies in phase separating systems can significantly influence the final properties of materials. We present extensive Monte Carlo (MC) simulation results on the segregation kinetics of the critical binary (AB) mixture with a fraction…

软凝聚态物质 · 物理学 2022-08-25 Samiksha Shrivastava , Awaneesh Singh

Membrane shape fluctuations induce attractive interactions between rigid inclusions. Previous analytical studies showed that the fluctuation-induced pair interactions are rather small compared to thermal energies, but also that multi-body…

软凝聚态物质 · 物理学 2009-11-07 Thomas R Weikl

Cell plasma membranes display a dramatically rich structural complexity characterized by functional sub-wavelength domains with specific lipid and protein composition. Under favorable experimental conditions, patterned morphologies can also…

软凝聚态物质 · 物理学 2018-10-02 Nicolas Destainville , Manoel Manghi , Julie Cornet

A mesoscopic system of indirect dipolar bosons trapped by a harmonic potential is considered. The system has a number of physical realizations including dipole excitons, atoms with large dipolar moment, polar molecules, Rydberg atoms in…

量子气体 · 物理学 2015-05-28 A. E. Golomedov , G. E. Astrakharchik , Yu. E. Lozovik

The interaction between surface patches of proteins with different surface properties has a vital role to play driving conformational changes of proteins in different salt solutions. We demonstrate the existence of ion-specific attractive…

软凝聚态物质 · 物理学 2012-01-06 Eduardo R. A. Lima , Mathias Boström , Nadine Schwierz , Bo E. Sernelius , Frederico W. Tavares