Abstract
The ground state dynamical correlation function of the spin 1/2 Heisenberg chain is obtained with the maximum entropy method. Using sum rules, moments of a dynamical correlation function are expressed in terms of the equal- time correlation functions which be calculated with density matrix renormalization group method. With finite number of moments, we apply the maximum entropy method to obtain the dynamical correlation function.
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© 1996 Springer Science+Business Media Dordrecht
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Pang, H., Akhlaghpour, H., Jarrell, M. (1996). An Application of Maximum Entropy Method to Dynamical Correlation Functions at Zero Temperature. In: Hanson, K.M., Silver, R.N. (eds) Maximum Entropy and Bayesian Methods. Fundamental Theories of Physics, vol 79. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5430-7_21
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DOI: https://doi.org/10.1007/978-94-011-5430-7_21
Publisher Name: Springer, Dordrecht
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