Browsing Physical & Applied Sciences by Author "Gaude, P.P."

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Cluster mean field plus density matrix renormalization theory for the Bose Hubbard models

Gaude, P.P.; Das, A.; Pai, R.V. (Journal of Physics A: Mathematical and Theoretical. 55(26); 2022; ArticleID_265004.)

The cluster mean-field with density matrix renormalization (CMFT + DMRG) method which combines the simplicity of the mean-field theory and the numerical power of the density-matrix renormalization group method is applied ...
Random phase approximation and cluster mean field studies of hard core Bose Hubbard model

Alavani, B.K.; Gaude, P.P.; Pai, R.V. (AIP Conference Proceedings. 1942(1); 2018; ArticleID_030005.)

We investigate zero temperature and finite temperature properties of the Bose Hubbard Model in the hard core limit using Random Phase Approximation (RPA) and Cluster Mean Field Theory (CMFT). We show that our RPA calculations ...

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