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6 papers · 1 filter
Does the cosmological constant imply the existence of a minimum mass?
C. G. Boehmer, T. Harko
We show that in the framework of the classical general relativity the presence of a positive cosmological constant implies the existence of a minimal mass and of a minimal density…
Coupling of Magnetic Order, Ferroelectricity, and Lattice Strain in Multiferroic Rare Earth Manganites
B. Lorenz, C. R. dela Cruz, F. Yen +3
Multiferroic rare earth manganites attracted recent attention because of the coexistence of different types of magnetic and ferroelectric orders resulting in complex phase diagrams…
Effect of the radiative background flux in convection
A. Brandenburg, K. L. Chan, A. Nordlund +1
Numerical simulations of turbulent stratified convection are used to study models with approximately the same convective flux, but different radiative fluxes. As the radiative flux…
The relationship between two flavors of oblivious transfer at the quantum level
Guang-Ping He, Z. D. Wang
Though all-or-nothing oblivious transfer and one-out-of-two oblivious transfer are equivalent in classical cryptography, we here show that due to the nature of quantum cryptography…
Dirac operators and Lie algebra cohomology
Jing-Song Huang, Pavle Pandžić, David Renard
Dirac cohomology is a new tool to study unitary and admissible representations of semisimple Lie groups. It was introduced by Vogan and further studied by Kostant and ourselves \ci…
Edge Spin Current and Spin Polarization in Quantum Hall Regime
Yun-Juan Bao, Huai-Bing Zhuang, Shun-Qing Shen +1
We study the edge spin current and spin polarization in a two-dimensional electron gas with spin-orbit coupling in the presence of a perpendicular magnetic field. The edge effect r…