Time domain analysis of the bound states and resonances of the hydroperoxy radical HO2: signature of quantum chaos

Mahapatra, Susanta (1996) Time domain analysis of the bound states and resonances of the hydroperoxy radical HO2: signature of quantum chaos The Journal of Chemical Physics, 105 (1). pp. 344-345. ISSN 0021-9606

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Official URL: http://aip.scitation.org/doi/abs/10.1063/1.472532?...

Related URL: http://dx.doi.org/10.1063/1.472532

Abstract

The nature of the bound states and resonances of the hydroperoxy radical HO2 was analysed by computing ensemble averaged survival probabilities, 〈〈P(t)〉〉, from the Fourier transformation of the spectral autocorrelation function followed by averaging over the initial states and the Hamiltonian. The results are fitted with the 〈〈P(t)〉〉 values derived from the random matrix theory for an intermediate situation (partly regular and partly chaotic) to estimate the fractional irregularity of the states in the spectrum. The estimate is found to be in agreement with the result obtained from an analysis of the nearest‐neighbor spacing distribution.

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