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768 papers · 1 filter
Relative velocity of dark matter and barions in clusters of galaxies and measurements of their peculiar velocities
Klaus Dolag, Rashid Sunyaev
The increasing sensitivity of current experiments, which nowadays routinely measure the thermal SZ effect within galaxy clusters, provide the hope that peculiar velocities of indiv…
Momentum polarization: an entanglement measure of topological spin and chiral central charge
Hong-Hao Tu, Yi Zhang, Xiao-Liang Qi
Topologically ordered states are quantum states of matter with topological ground state degeneracy and quasi-particles carrying fractional quantum numbers and fractional statistics…
A Comparison Between Nonlinear Force-Free Field and Potential Field Models Using Full-Disk SDO/HMI Magnetogram
Tilaye Tadesse, T. Wiegelmann, B. Inhester +3
Measurements of magnetic fields and electric currents in the pre-eruptive corona are crucial to study solar eruptive phenomena, like flare and coronal mass ejections(CMEs). However…
The phase diagram of the anisotropic spin-2 XXZ model: an infinite system DMRG study
Jonas A. Kjäll, Michael P. Zaletel, Roger S. K. Mong +2
We study the ground state phase diagram of the quantum spin-2 XXZ chain in the presence of on-site anisotropy using a matrix-product state based infinite system density-matrix-reno…
Spatial correlations in finite samples revealed by Coulomb explosion
Ulf Saalmann, Alexey Mikaberidze, Jan M. Rost
We demonstrate that fast removal of many electrons uncovers initial correlations of atoms in a finite sample through a pronounced peak in the kinetic-energy spectrum of the explodi…
Meridional tilt of the stellar velocity ellipsoid during bar buckling instability
Kanak Saha, Daniel Pfenniger, Ronald E. Taam
The structure and evolution of the stellar velocity ellipsoid plays an important role in shaping galaxies undergoing bar driven secular evolution and the eventual formation of a bo…