432 citations
- Institute for Research in Fundamental SciencesIR329 papers
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14 papers · 1 filter
Variational RVB wave function for the spin-1/2 Heisenberg Model on honeycomb lattice
Zahra Nourbakhsh, Farhad Shahbazi, S. A. Jafari +1
In this work, a long-range resonating valence bond state is proposed as a variational wave function for the ground state of the antiferromagnetic Heisenberg model on the ho…
Near the horizon of 5D black rings
F. Loran, H. Soltanpanahi
For the five dimensional N=2 black rings, we study the supersymmetry enhancement and identify the global supergroup of the near horizon geometry. We show that the global part of th…
Dynamical Mean Field Study of The Dirac Liquid
S. A. Jafari
Renormalization is one of the basic notions of condensed matter physics. Based on the concept of renormalization, the Landau's {\em Fermi liquid} theory has been able to explain, w…
Short Distance Physics and Initial State Effects on the CMB Power Spectrum
Moslem Zarei
We investigate a modification in the action of inflaton due to noncommutativity leads to a nonstandard initial vacuum and oscillatory corrections in the initial power spectrum. We…
Gauge symmetries of systems with a finite number of degrees of freedom
Farhang Loran
For systems with a finite number of degrees of freedom, it is shown in [arXiv:hep-th/0303014] that first class constraints are Abelianizable if the Faddeev-Popov determinant is not…
Probability distribution of (Schwämmle and Tsallis) two-parameter entropies and the Lambert W-function
Somayeh Asgarani, Behrouz Mirza
We investigate a two-parameter entropy introduced by Schwämmle and Tsallis and obtain its probability distribution in the canonical ensemble. The probability distribution is given…