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We consider the impact of surface hydrodynamics on the interplay between curvature and composition in coarsening processes on model systems for biomembranes. This includes scaling laws and equilibrium configurations, which are investigated…

Soft Condensed Matter · Physics 2023-04-19 Elena Bachini , Veit Krause , Axel Voigt

We study a self-bound dense object in the hard wall model. We consider a spherically symmetric dense object which is characterized by its radial density distribution and non-uniform but spherically symmetric chiral condensate. For this we…

High Energy Physics - Phenomenology · Physics 2014-11-21 Kyung Kiu Kim , Youngman Kim , Yumi Ko

Confining surfaces play crucial roles in dynamics, transport and order in many physical systems, but their effects on active matter, a broad class of dynamically self-organizing systems, are poorly understood. We investigate here the…

Soft Condensed Matter · Physics 2013-07-23 Hugo Wioland , Francis G. Woodhouse , Jörn Dunkel , John O. Kessler , Raymond E. Goldstein

This paper concerns the study of some special ordered structures in turbulent flows. In particular, a systematic and relevant methodology is proposed to construct non trivial and non radial rotating vortices with non necessarily uniform…

Analysis of PDEs · Mathematics 2018-09-13 Claudia García , Taoufik Hmidi , Juan Soler

Limited process control can cause metallurgical defect formation and inhomogeneous relative density in laser powder bed fusion manufactured parts. In this study, cylindrical 15-5 PH stainless steel specimens are investigated by computer…

Computational Engineering, Finance, and Science · Computer Science 2022-01-28 Jorrit Voigt , Thomas Bock , Uwe Hilpert , Ralf Hellmann , Michael Moeckel

We present a general semiclassical theory of the orbital magnetic response of noninteracting electrons confined in two-dimensional potentials. We calculate the magnetic susceptibility of singly-connected and the persistent currents of…

Condensed Matter · Physics 2016-08-31 K. Richter , D. Ullmo , R. A. Jalabert

Severe plastic deformation of powder blends consisting of SmCo5-Cu results in magnetically hardened nanocomposite bulk materials. The microstructure is continuously refined with increasing torsional deformation, yet, coercivity saturates at…

When a rotor blade encounters reverse flow in edgewise flight at high advance ratio, a strong vortical structure forms on the leeside of the sharp blade edge. This has unexpected effects on blade aerodynamics. A differential onset velocity…

Fluid Dynamics · Physics 2019-04-24 Nandeesh Hiremath , Dhwanil Shukla , Narayanan Komerath

The electric charge density in mesoscopic superconductors with circular symmetry, i.e. disks and cylinders, is studied within the phenomenological Ginzburg-Landau approach. We found that even in the Meissner state there is a charge…

Superconductivity · Physics 2009-10-31 S. V. Yampolskii , B. J. Baelus , F. M. Peeters , J. Kolacek

This study investigates the interaction of a shock wave with a fixed layer of particles in cylindrical geometries using particle-resolved large eddy simulations. The curvature radius of the particle layer is varied and the resulting flow…

Bogoliubov-de Gennes theory is used to investigate the effect of the size of a superconducting square on the vortex states in the quantum confinement regime. When the superconducting coherence length is comparable to the Fermi wavelength,…

Superconductivity · Physics 2014-01-20 L. -F. Zhang , L. Covaci , M. V. Milošević , G. R. Berdiyorov , F. M. Peeters

High-resolution X-ray observations have revealed cavities and `cold fronts' with sharp edges in temperature, density, and metallicity within galaxy clusters. Their presence poses a puzzle since these features are not expected to be…

Astrophysics · Physics 2009-11-13 L. J. Dursi , C. Pfrommer

Topological structure has been extensively studied and confirmed in highly correlated condensed matter physics. We explore the gravitational waves emitted from binary neutron star mergers using the pseudoconformal model for dense nuclear…

Nuclear Theory · Physics 2021-07-07 Wen-Cong Yang , Yong-Liang Ma , Yue-Liang Wu

Particle simulations confined by sharp walls usually develop an oscillatory density profile. For some applications, most notably soft matter liquids, this behavior is often unrealistic and one expects a monotonic density climb instead. To…

Computational Physics · Physics 2016-11-02 Airidas Korolkovas

The conditions for the entry of vortices into type-II superconductors being in the Meissner and/or mixed state, are studied by both numerical and analytical solution of the Ginzburg-Landau equations. A modulation instability of the…

Superconductivity · Physics 2016-08-31 D. Yu. Vodolazov , I. L. Maksimov , E. H. Brandt

We study a dense colloidal suspension confined between two quasiparallel glass plates as a model system for a supercooled liquid in confined geometries. We directly observe the three-dimensional Brownian motion of the colloidal particles…

Soft Condensed Matter · Physics 2012-06-01 Kazem V. Edmond , Carolyn R. Nugent , Eric R. Weeks

Thickenings of a metric space capture local geometric properties of the space. Here we exhibit applications of lower bounding the topology of thickenings of the circle and more generally the sphere. We explain interconnections with the…

Geometric Topology · Mathematics 2019-11-28 Henry Adams , Johnathan Bush , Florian Frick

We consider a two-dimensional Coulomb gas confined to a disk when the external potential is radially symmetric. In the presence of a hard-wall constraint effective to change the equilibrium, the density of the equilibrium measure acquires a…

Mathematical Physics · Physics 2020-10-20 Seong-Mi Seo

Symbolic and graphical tools, such as Mathematica, enable precise visualization and analysis of void spaces in sphere packings. In the cubic close packing (CCP, or face-centred cubic packing; FCC) arrangement these voids can be partitioned…

Computational Geometry · Computer Science 2025-08-19 Philip W. Kuchel

We have analytically obtained 1-particle density matrices for ideal Bose and Fermi gases in both the 3-D box geometries and the harmonically trapped geometries for the entire range of temperature. We have obtained quantum cluster expansions…

Quantum Gases · Physics 2022-10-11 Soumi Dey , Prathyush Manchala , Srijit Basu , Debshikha Banerjee , Shyamal Biswas