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Beyond the Random Phase Approximation for the Electron Correlation Energy: The Importance of Single Excitations
the Electron Correlation Energy Single Excitations
2010/11/17
The random phase approximation (RPA) for the electron correlation energy, combined with the exact-exchange energy, represents the state-of-the-art exchange-correlation functional within density-funct...
Infinite disorder scaling of random quantum magnets in three and higher dimensions
Infinite disorder scaling random quantum magnets dimensions
2010/11/11
Using a very efficient numerical algorithm of the strong disorder renormalization group method we have extended the investigations about the critical behavior of the random transverse-field Ising mode...
Critical indices of random planar electrical networks
Random networks Fused conductors Human bone Strength reduction Critical index
2010/7/5
We propose a new method to estimate the percolation threshold pc and the critical index t associated with strength reduction in networks of random fused conductors. It relies on a recently proposed ex...
Bands of localized electromagnetic waves in random collections of dielectric particles
electromagnetic waves random collections dielectric particles
2010/4/15
Anderson localization of electromagnetic waves in random arrays of dielectric cylinders is studied. An effective theoretical approach based on the finite size scaling analysis of transmission is devel...