54 citations · 115 across the 11 of their papers we have counts for
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cond-mat.str-el2013
One approach for determining susceptibilities and order parameters in multi-band Hubbard model
Sung-Jin Oh, Hak-Chol Pak, Kuk-Chol Ri
We present an approach for determining susceptibilities and order parameters in multi-band Hubbard model within functional renormalization group method, and apply it to study vario…
cond-mat.mtrl-sci2013
New discrete method for investigating the response properties in finite electric field
Myong Chol Pak, Nam-Hyok Kim, Hak-Chol Pak +1
In this paper we develop a new discrete method for calculating the dielectric tensor and Born effective charge tensor in finite electric field by using Berry's phase and the gauge…