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10 papers · 1 filter
More on Mixed Boundary Conditions and D-branes Bound States
M. M. Sheikh-Jabbari
In this article, applying different types of boundary conditions; Dirichlet, Neumann, or Mixed, on open strings we realize various new brane bound states in string theory. Calculat…
M-Branes and Their Interactions in Static Matrix Model
Amir H. Fatollahi, Kamran Kaviani, Shahrokh Parvizi
Different BPS M-brane configurations including single and two parallel M-branes (= even) and M5-branes are introduced as the classical solutions of the recently proposed Stat…
Classification of Different Branes at Angles
M. M. Sheikh-Jabbari
In this paper, we consider two D-branes rotated with respect to each other, and argue that in this way one can find brane configurations preserving ${1 \f 16}$ of SUSY. Also we cla…
Highly Designable Protein Structures and Inter Monomer Interactions
M. R. Ejtehadi, N. Hamedani, H. Seyed-Allaei +2
By exact computer enumeration and combinatorial methods, we have calculated the designability of proteins in a simple lattice H-P model for the protein folding problem. We show tha…
Hadamard renormalization, conformal anomaly and cosmological event horizons
H. Ghafarnejad, H. Salehi
The Hadamard renormalization prescription is used to derive a two dimensional analog of the renormalized stress tensor for a minimally coupled scalar field in Schwarzschild-de Sitt…
Evidence for GeV emission from the Galactic Center Fountain
D. H. Hartmann, D. D. Dixon, E. D. Kolaczyk +1
The region near the Galactic center may have experienced recurrent episodes of injection of energy in excess of 10 ergs due to repeated starbursts involving more than…