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- International Islamic University ChittagongBD19 papers
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7 papers · 1 filter
New Superconducting RbFe2As2: A First-principles Investigation
M. Aftabuzzaman, A. K. M. A. Islam
RbFe2As2 has recently been reported to be a bulk superconductor with Tc = 2.6 K in the undoped state, in contrast to undoped BaFe2As2 with a magnetic ground state. We present here…
Low-lying positive-parity excited states of the nucleon
M. S. Mahbub, Alan Ó Cais, Waseem Kamleh +3
We present an overview of the correlation-matrix methods developed recently by the CSSM Lattice Collaboration for the isolation of excited states of the nucleon. Of particular inte…
Superconductivity in Diamond-like BC3 Phase: A First-principles Investigation
M. M. Ali, A. K. M. A. Islam, F. Parvin +1
Two possible phases of superhard material BC3 originating from the cubic diamond structure are investigated by ab initio pseudopotential density functional method using generalized…
Isolating the Roper Resonance in Lattice QCD
M. S. Mahbub, Alan Ò Cais, Waseem Kamleh +3
We present results for the first positive parity excited state of the nucleon, namely, the Roper resonance (=1440 MeV) from a variational analysis technique. The ana…
Isolating Excited States of the Nucleon in Lattice QCD
M. S. Mahbub, Alan Ò Cais, Waseem Kamleh +3
We discuss a robust projection method for the extraction of excited-state masses of the nucleon from a matrix of correlation functions. To illustrate the algorithm in practice, we…
Transverse Wave Propagation in Relativistic Two-fluid Plasmas around Reissner-Nordström-de Sitter Black Hole
M. Atiqur Rahman, M. Hossain Ali
The transverse electromagnetic waves propagating in a relativistic two-fluid plasma influenced by the gravitational field of the Reissner-Nordström-de Sitter black hole has been in…