276 citations · 1.6k across the 57 of their papers we have counts for
58 papers
Coherent-disorder-driven complexity transitions in a quantum-advantage architecture
Sung-Bin B. Lee, Chae-Yeun Park, Changhun Oh +1
While decoherence is known to erode classical hardness in quantum random sampling, the impact of coherent spatial disorder remains an open question. We study a square-lattice insta…
Controllable Skyrmion Islands in a Moiré Magnet
Jemin Park, HaRu K. Park, SungBin Lee
Antiferromagnetic(AFM) skyrmions have been in the spotlight as ideal topological magnetic bits. Although they are topologically protected, they do not exhibit the skyrmion Hall eff…
Graph theoretical proof of nonintegrability in quantum many-body systems : Application to the PXP model
HaRu K. Park, SungBin Lee
A rigorous proof of integrability or non-integrability in quantum many-body systems is among the most challenging tasks, as it involves demonstrating the presence or absence of loc…
Hidden hyperspace geometry and long-distance quantum coupling
Junmo Jeon, SungBin Lee
Most periodic systems are governed by short-range interactions as long-range interactions in these systems diminish uniformly. In this letter, however, we demonstrate that this is…
Unveiling unique properties of icosahedral magnetic quasicrystals -- Multipole physics and frustration
Junmo Jeon, SungBin Lee
Multipolar degrees of freedom and their hidden orders have been widely discussed in the context of heavy fermions, frustrated magnets and exotic Kondo effects. Although there has b…
Fractionalization induced structural domain patterns in U(1) quantum spin liquids
Hyeok-Jun Yang, Eun-Gook Moon, SungBin Lee
The emergence of fractionalized quasiparticles in quantum spin liquids has served a wealth of unconventional phenomena in frustrated magnets. In our work, we explore the various do…