Excitation of high frequency electrostatic drift waves in inhomogeneous magnetized plasma investigated with detailed analysis of dispersion relation

A second order nonlinear equation with variable coefficients has been derived to govern the dynamics of high frequency electrostatic drift waves in an inhomogeneous magnetized plasma in a moving frame of (2 + 1) spatio-temporal dimensions. A cubic dispersion relation having complex coefficients has been derived using the fluid model equations which explains the excitation of the high frequency electrostatic drift waves in addition to coupled ion cyclotron and drift waves. This has been studied i...