Physics
Theoretical Physics - Research on theoretical physics described by scientists at University of Tsukuba
2010 MAR 23 - (VerticalNews.com) -- According to recent research published in the journal Progress of Theoretical Physics, "We present full accounts of a method to extract nucleon-nucleon (N N) potentials from the Bethe-Salpter amplitude in lattice QCD." "The method is applied to two nucleons on the lattice with quenched QCD simulations. By disentangling the mixing between the S-state and the ID-state, we obtain central and tensor potentials in the leading order of the velocity expansion of the. non-local N N potential," wrote S. Aoki and colleagues, University of Tsukuba ...read more
Theoretical Physics - Research on theoretical physics reported by scientists at Kyoto University
2010 MAR 23 - (VerticalNews.com) -- According to recent research from Kyoto, Japan, "From the viewpoint of oblate-prolate symmetry and its breaking, we adopt the quadrupole collective Hamiltonian to study the dynamics of triaxial deformation in shape coexistence phenomena." "It accommodates the axially symmetric rotor model, the gamma-unstable model, the rigid triaxial rotor model, and an ideal situation for the oblate-prolate shape coexistence as particular cases," wrote K. Sato and colleagues, Kyoto University ...read more
Theoretical Physics - Data on theoretical physics reported by M.L. Bedran and co-researchers
2010 MAR 23 - (VerticalNews.com) -- According to recent research from Brazil, "The purpose of this paper is to establish reasonable limits to negative pressures in classical and cosmological fluids based on well-known present physical theories and discuss their thermodynamic stability. We begin the paper deriving the well-known equation of state of an ideal gas from thermodynamics and kinetic theory, using the equipartition of energy. ...read more
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