Partha Guha

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quant-ph2025

Quasi-harmonic spectra from branched Hamiltonians

Aritra Ghosh, Bijan Bagchi, A. Ghose-Choudhury +2

We revisit the canonical quantization to assess the spectrum of the modified Emden equation $x ¨ + k x x ˙ + I ¨ ^{2} x + \frac{k ^{2}}{9} x^{3} = 0$ , which is an isochronous case of…

quant-ph2025

Bijan Bagchi, A. Ghose-Choudhury, Aritra Ghosh +1

In this paper, we explore some classical and quantum aspects of the nonlinear LiÃ©nard equation $x ¨ + k x x ˙ + I ¨ ^{2} x + (k^{2} /9) x^{3} = 0$ , where $x = x (t)$ is a real variab…

Quasi-harmonic spectra from branched Hamiltonians

Generalized LiÃ©nard systems and isochronous connections