3 papers
quant-ph2024
Boundary effect and correlations in fermionic Gaussian states
Jinhyeok Ryu, Jaeyoon Cho
The effect of boundaries on the bulk properties of quantum many-body systems is an intriguing subject of study. One can define a boundary effect function, which quantifies the chan…
cond-mat.str-el2024
Boundary effect and quantum phases in spin chains
Jinhyeok Ryu, Jaeyoon Cho
Boundary effect is a widespread idea in many-body theories. However, it is more of a conceptual notion than a rigorously defined physical quantity. One can quantify the boundary ef…
cond-mat.stat-mech2024
Renormalization of Complex Networks with Partition Functions
Sungwon Jung, Sang Hoon Lee, Jaeyoon Cho
While renormalization groups are fundamental in physics, renormalization of complex networks remains vague in its conceptual definition and methodology. Here, we propose a novel st…