Sabuj Ghosh

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Experimental evidence of intrinsic noise induced coherence resonance in a glow discharge plasma is being reported. Initially the system is started at a discharge voltage (DV) where it exhibited fixed point dynamics, and then with the subsequent increase in the DV spikes were excited which were few in number and with further increase of DV the number of(More)
Using quantum hydrodynamic (QHD) model, a comprehensive investigation of propagation of longitudinal acousto-electric wave in colloids laden semiconductor plasmas is presented. It is noticed that the Bohm potential in the wave spectrum of the semiconductor plasma enhances the gain and also modifies the amplification characteristics of sound wave for both(More)
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