6 citations · 7 across the 2 of their papers we have counts for
2 papers
cond-mat.str-el2022★ 1 cited
Improving procedure for the reconstruction of an effective secular equation
Yong Zheng
The usual implement procedure for the reconstruction of secular equation for an effective Hamiltonian has been discussed and improved. A relative characteristic polynomial has been…
cond-mat.str-el2022★ 6 cited
On the characteristic polynomial of an effective Hamiltonian
Yong Zheng
The characteristic polynomial of the effective Hamiltonian for a general model has been discussed. It is found that, compared with the associated energy eigenvalues, this character…