74 citations · 215 across the 13 of their papers we have counts for
13 papers
Optical Magnetic Switching in Odd-Parity Magnets with Spin-Orbit Coupling
SangEun Han, Qiang Li
-wave magnets exhibit odd-parity spin polarization in momentum space, with spin splitting that reverses under , while preserving zero net magnetizat…
Fermi Surface Bosonization for Non-Fermi Liquids
SangEun Han, Félix Desrochers, Yong Baek Kim
Understanding non-Fermi liquids in dimensions higher than one remains one of the most formidable challenges in modern condensed matter physics. These systems, characterized by an a…
Complex fixed points of the non-Hermitian Kondo model in a Luttinger liquid
SangEun Han, Daniel J. Schultz, Yong Baek Kim
Non-Hermitian physics in open quantum many-body systems provides novel opportunities for the discovery of exotic quantum phenomena unexpected in Hermitian systems. A previous study…
Quantum impurity model for two-stage multipolar ordering and Fermi surface reconstruction
Daniel J. Schultz, SangEun Han, Yong Baek Kim
Classification and understanding of quantum phase transitions and critical phenomena in itinerant electron systems are outstanding questions in quantum materials research. Recent e…
Non-Fermi liquid behavior and quantum criticality in cubic heavy fermion systems with non-Kramers multipolar local moments
SangEun Han, Daniel J. Schultz, Yong Baek Kim
Notable non-Fermi liquid and quantum critical behaviors are observed in rare-earth metallic systems with non-Kramers local moments supporting a number of different multipolar momen…
Realization of fractonic quantum phases in the breathing pyrochlore lattice
SangEun Han, Adarsh S. Patri, Yong Baek Kim
Fractonic phases of matter are novel quantum ground states supporting sub-dimensional emergent excitations with mobility restrictions. Due to a sub-extensive ground state degenerac…
Non-Fermi liquid induced by Bose metal with protected subsystem symmetries
SangEun Han, Yong Baek Kim
Understanding non-Fermi liquids in dimensions higher than one, has been a subject of great interest. Such phases may serve as parent states for other unconventional phases of quant…
Lattice vibration as a knob for novel quantum criticality: Emergence of supersymmetry from spin-lattice coupling
SangEun Han, Junhyun Lee, Eun-Gook Moon
Control of quantum coherence in many-body system is one of the key issues in modern condensed matter. Conventional wisdom is that lattice vibration is an innate source of decoheren…
Emergent Anisotropic Non-Fermi Liquid at a Topological Phase Transition in Three Dimensions
SangEun Han, Changhee Lee, Eun-Gook Moon +1
Understanding correlation effects in topological phases and their transitions is a cutting-edge area of research in recent condensed matter physics. We study topological quantum ph…
Quantum Criticalities with Infinite Anisotropy in Topological Phase Transitions between Dirac and Weyl Semi-metals
SangEun Han, Gil Young Cho, Eun-Gook Moon
We study quantum phase transitions (QPTs) associated with splitting nodal Fermi points, motivated by topological phase transitions between Dirac and Weyl semi-metals. A Dirac point…
Long-range Coulomb Interaction effects on Topological Phase Transitions between Semi-metals and Insulators
SangEun Han, Eun-Gook Moon
Topological states may be protected by a lattice symmetry in a class of topological semi-metals. In three spatial dimensions, the Berry flux around gapless excitations in momentum…
Topological Phase Transitions in Line-nodal Superconductors
SangEun Han, Gil Young Cho, Eun-Gook Moon
Fathoming interplay between symmetry and topology of many-electron wave-functions has deepened understanding of quantum many body systems, especially after the discovery of topolog…
Explaining the Lepton Non-universality at the LHCb and CMS from a Unified Framework
Sanjoy Biswas, Debtosh Chowdhury, Sangeun Han +1
The recent results from the LHCb in the context of decay and the CMS analysis in the context of right handed -boson () search show a and…