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2篇 您的检索式：作者名="IRINA PETRESKA"

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		题名	作者	年代	出处	被引量
	1	Applicatlon of modal analysis in assessmg attack vulnerability of complex networks显示文摘	IRINA PETRESKA IGOR TOMOVSKI EUGENIO GUTIENEZ	2010	Commun Nonlinear Sci Numer Simulat2010，15，：	1
	2	Splitting of Spectra in Anharmonic Oscillators Described by Kratzer Potential Function显示文摘A perturbation theory model that describes splitting of the spectra in highly symmetrical molecular speciesin electrostatic field is proposed.An anahrmonic model of a two-dimensional oscillator having Kratzer potential energyfunction is used to model the molecular species and to represent the unperturbed system.A selection rule for the radialquantum number of the oscillator is derived.The eigenfunctions of a two-dimensional anharmonic oscillator in cylindricalcoordinates are used for the matrix elements representing the probability for energy transitions in dipole approximationto be calculated.Several forms of perturbation operators are proposed to model the interaction between the polyatomicmolecular species and an electrostatic field.It is found that the degeneracy is removed in the presence of the electricGeld and spectral splitting occurs.Anharmonic approximation for the unperturbed system is more accurate and reliablerepresentation of a real polyatomic molecular species.	Irina Petreska Trifce Sandev Gjorgji Ivanovski Ljupo Pejov	2010	Communications in Theoretical Physics2010，，7：	0

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