1.1k citations
- Institute for Research in Fundamental SciencesIR578 papers
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62 papers · 1 filter
Abelian Sandpile Model on the Honeycomb Lattice
N. Azimi-Tafreshi, H. Dashti-Naserabadi, S. Moghimi-Araghi +1
We check the universality properties of the two-dimensional Abelian sandpile model by computing some of its properties on the honeycomb lattice. Exact expressions for unit height c…
Effect of a gap opening on the conductance of graphene superlattices
M. Esmailpour, A. Esmailpour, Reza Asgari +2
The electronic transmission and conductance of a gapped graphene superlattice were calculated by means of the transfer-matrix method. The system that we study consists of a sequenc…
A note on some classical results of Gromov-Lawson
Mostafa Esfahani Zadeh
In this short note we show how the higher index theory can be used to prove results concerning the non-existence of complete riemannian metric with uniformly positive scalar curvat…
Inverse problem: Reconstruction of modified gravity action in Palatini formalism by Supernova Type Ia data
Shant Baghram, Sohrab Rahvar
We introduce in gravity--Palatini formalism the method of inverse problem to extract the action from the expansion history of the universe. First, we use an ansatz for the s…
Tachyonic Resonance Preheating in Expanding Universe
Ali Akbar Abolhasani, Hassan Firouzjahi, M. M. Sheikh-Jabbari
In this paper the tachyonic resonance preheating generated from the bosonic trilinear interactions in an expanding Universe is studied. In inflationary model the tr…
Diffusive motion of C60 on a graphene sheet
M. Neek-Amal, N. Abedpour, S. N. Rasuli +2
The motion of a C60 molecule over a graphene sheet at finite temperature is investigated both theoretically and computationally. We show that a graphene sheet generates a van der W…