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cond-mat.str-el2024
Symmetry-enforced minimal entanglement and correlation in quantum spin chains
Kangle Li, Liujun Zou
The interplay between symmetry, entanglement and correlation is an interesting and important topic in quantum many-body physics. Within the framework of matrix product states, in t…
cond-mat.str-el2024★ 1 cited
Quantum metric driven transition between superfluid and incoherent fluid
Xuzhe Ying, Kangle Li
We study the interplay between repulsive interaction and superfluidity in flat band system. We consider spatially indirect excitons in the Lieb lattice bilayer as an example. We sh…
cond-mat.str-el2024★ 3 cited
Constructive Fermionic Matrix Product States for Projected Fermi Sea
Kangle Li, Yan-Bai Zhang, Hoi Chun Po
Projected wave functions offer a means for incorporating local correlation effects in gapless electronic phases of matter like metals. Although such wave functions can be readily s…