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cond-mat.str-el2022★ 27 cited
Scaling at quantum phase transitions above the upper critical dimension
A. Langheld, J. A. Koziol, P. Adelhardt +2
The hyperscaling relation and standard finite-size scaling (FSS) are known to break down above the upper critical dimension due to dangerous irrelevant variables. We establish a co…
cond-mat.str-el2018★ 56 cited
Quantum criticality of two-dimensional quantum magnets with long-range interactions
S. Fey, Sebastian C. Kapfer, K. P. Schmidt
We study the critical breakdown of two-dimensional quantum magnets in the presence of algebraically decaying long-range interactions by investigating the transverse-field Ising mod…