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31 papers · 1 filter
Randic energy of specific graphs
Saeid Alikhani, Nima Ghanbari
Let be a simple graph with vertex set . The Randić matrix of , denoted by , is defined as the matrix whose -entry is $…
On the distance from a weakly normal matrix polynomial to matrix polynomials with a prescribed multiple eigenvalue
E. Kokabifar, G. B. Loghmani, P. J. Psarrakos
Consider an matrix polynomial . An upper bound for a spectral norm distance from to the set of matrix polynomials that have a given scalar $μ…
Angular analysis of polarized top quark decay into B-mesons in two different helicity systems
S. Mohammad Moosavi Nejad, Mahboobe Balali
We calculate the radiative corrections to the spin dependent differential decay rates of the process . These are needed to study the angular dis…
Entropy squeezing and atomic inversion in the -photon Jaynes-Cummings model in the presence of Stark shift and Kerr medium: full nonlinear approach
H R Baghshahi, M K Tavassoly, A Behjat
In this paper the interaction between a two-level atom and a single-mode field in the -photon Jaynes-Cummings model (JCM) in the presence of Stark shift and Kerr medium is studi…
Dynamics of entropy and nonclassicality features of the interaction between a -type four-level atom and a single-mode field in the presence of intensity-dependent coupling and Kerr nonlinearity
H R Baghshahi, M K Tavassoly, A Behjat
The interaction between a -type four-level atom and a single-mode field in the presence of Kerr medium with intensity-dependent coupling involving multi-photon proces…
Entanglement, quantum statistics and squeezing of two -type three-level atoms interacting nonlinearly with a single-mode field
H R Baghshahi, M K Tavassoly
The interaction between two -type three-level atoms and a single-mode cavity field in the intensity dependent coupling regime has been studied. Exact analytical solution of the…