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Numerical Feynman integrals for density operator dynamics using more than one mesh: faster convergence and significant reduction of computational cost
Feynman integral path integral QUAPI Feynman-Vernon
2010/10/26
The Feynman integral is one of the most accurate methods for calculating density operator dy-
namics in open quantum systems. However, the number of time steps that can realistically be used is alway...
Bayesian modeling and significant features exploration in wavelet power spectra
Bayesian modeling significant features exploration wavelet power spectra
2009/11/2
This study proposes and justifies a Bayesian approach to modeling wavelet coefficients and finding statistically significant features in wavelet power spectra. The approach utilizes ideas elaborated i...