My main research topic is quantum many-body systems with high entanglement and correlations. Conventional many-body systems may be characterized by the Landau paradigms: 1) quasi-particle description of electron/spin excitations, 2) conventional symmetry breaking phase transitions. On the contrary, the paradigms do not work in quantum many-body systems with high entanglement and correlation. The prime examples include quantum spin liquids, high-temperature superconductivity, and non-Fermi liquids. They call for a novel understanding and description of condensed matter systems including deconfinement, fractionalization, and topological invariants on which I am working with my colleagues.

양자 다체계는 높은 얽힘과 상관관계를 가지고 있습니다. 기존의 다체계는 Landau 패러다임으로 특징지을 수 있습니다: 1) 전자/스핀 여기의 준입자 설명, 2) 기존의 대칭 깨짐 상전이. 반대로, 양자 다체계에서는 높은 얽힘과 상관관계로 인해 패러다임이 작동하지 않습니다. 주요 예로는 양자 스핀 액체, 고온 초전도체, 비-페르미 액체가 있습니다. 이들은 갇힘 해제, 분수화, 위상 불변량과 같은 응집 물질 시스템에 대한 새로운 이해와 설명을 요구하며, 저는 동료들과 함께 연구하고 있습니다.

Unconventional room-temperature carriers in the triangular-lattice Mott insulator TbInO3

Advancing hybrid quantum-classical algorithms via mean operators

Construction of entangled many-body states via the Higgs mechanism

Monolayer Kagome metals AV3Sb5

Exotic thermal transitions with spontaneous symmetry breaking

Significant thermal Hall effect in the 3d cobalt Kitaev system Na2Co2TeO6

Rydberg Quantum Wires for Maximum Independent Set Problems with Nonplanar and High-Degree Graphs

Strong antiferromagnetic proximity coupling in a heterostructured superconductor Sr2VO3FeAs

Field-induced Bose-Einstein condensation and supersolid in the two-dimensional Kondo necklace

Thermodynamic evidence for field-angle dependent Majorana gap in a Kitaev spin liquid

Rank-2 toric code in two dimensions

Identification of a Kitaev Quantum Spin Liquid by Magnetic Field Angle Dependence

Using Disorder to Identify Bogoliubov Fermi-Surface States

Band-selective gap opening by a C4-symmetric order in a proximity-coupled heterostructure Sr2VO3FeAs

Lattice Vibration as a knob for novel quantum criticality: Emergence of supersymmetry from spin-lattice coupling

Instability of j=3/2 Bogoliubov Fermi surfaces

Observation of the in-plane magnetic field-induced phase transitions in FeSe

Deconfined Thermal Phase Transitions with Z2 Gauge Structures

Diagonal Nematicity in the Pseudogap Phase of HgBa2CuO4

Emergent Anisotropic Non-Fermi Liquid at a Topological Phase Transition in Three Dimensions

Multi-scale Quantum Criticality driven by Kondo-lattice Coupling in Pyrochlore Systems

Vestiges of Topological Phase Transitions in Kitaev Spin Liquids

Exotic Z2 Symmetry Breaking Transitions in 2D Correlated Systems

Spin-lattice couplings in U(1) quantum spin liquids

Quantum Criticalities with Infinite Anisotropy in Topological Phase Transitions between Dirac and Weyl Semi-metals

Long-range Coulomb Interaction effects on Topological Phase Transitions between Semi-metals and Insulators

Discovery of Emergent Photon and Monopoles in a Quantum Spin Liquid

Frustration-driven C4 symmetric orders in a hetero-structured iron-based superconductor

Thermodynamic Evidence for Nematic Phase Transition at the Onset of Pseudogap in YBa2Cu3Oy

Topological Phase Transitions in Line-nodal Superconductors

Giant Suppression of Phononic Heat Transport in a Quantum Magnet

Competing orders and anomalies

Novel Quantum Criticality in Two Dimensional Topological Phase Transitions

Nodal Ring Semi-metal with Long-range Coulomb Interaction

Observation of symmetry protected Fermi node in a 3D strongly correlated semimetal

Non-Fermi Liquid in Dirac Semi-metals

A New Type of Quantum Criticality in the Pyrochlore Iridates

Quantum criticality of topological phase transitions in 3D interacting electronic systems

Non-Fermi liquid and topological states with strong spin-orbit coupling

Theory of topological quantum phase transitions in 3D noncentrosymmetric systems

Exotic continuous quantum phase transition between Z2 topological spin liquid and Neel order

Skyrmions with quadratic band touching fermions: A way to achieve charge 4e superconductivity

Competition between superconductivity and nematic order : anisotropy of superconducting coherence length

Exciton condensations in thin film topological insulator

The underdoped cuprates as fractionalized fermi liquids : transition to superconductivity

Quantum critical point shifts under superconductivity: the pnictides and the cuprates

Quantum-critical pairing with varying exponents

Competition between spin density wave order and superconductivity in the underdoped cuprates

Radio frequency spectroscopy of a strongly imbalanced Feshbach-resonant Fermi gas

Ab initio study of dihydrogen binding in metal-decorated polyacetylene for hydrogen storage

Superfluid-insulator transitions of the Fermi gas with near-unitary interactions in a periodic potential

Thermodynamic evidence for a nematic phase transition at the onset of the pseudogap in YBa 2 Cu 3 O y

Quadratic Fermi node in a 3D strongly correlated semimetal

Long-range Coulomb interaction in nodal-ring semimetals

New type of quantum criticality in the pyrochlore iridates

Thermodynamic evidence for a field-angle-dependent Majorana gap in a Kitaev spin liquid

Rydberg quantum wires for maximum independent set problems

Quantum criticality of topological phase transitions in three-dimensional interacting electronic systems

Diagonal nematicity in the pseudogap phase of HgBa 2 CuO 4+ δ

Radio-frequency spectroscopy of a strongly imbalanced Feshbach-resonant Fermi gas

Novel quantum criticality in two dimensional topological phase transitions

Skyrmions with quadratic band touching fermions: A way to achieve charge superconductivity

Underdoped cuprates as fractionalized Fermi liquids: Transition to superconductivity

Superfluid-Insulator Transitions of the Fermi Gas with Near-Unitary Interactions<? format?> in a Periodic Potential

Significant thermal Hall effect in the cobalt Kitaev system

E.-G. Moon

Principal Investigator, Ultra Quantum Physics BRL

Associate / Assistant Professor

Quantum Many Body Theory Group

교수님 소개

문은국, 文恩國

연구실 소개

연구실 키워드

알럼나이가 간 회사

연구실 지원 방법

대우 조건

연도별 논문 인용수

저널 & 학회 논문 출판 수

연구실 논문 목록

Unconventional room-temperature carriers in the triangular-lattice Mott insulator TbInO3

Advancing hybrid quantum-classical algorithms via mean operators

Construction of entangled many-body states via the Higgs mechanism

연구실 보유 특허

대학별 입시끈

우리 연구실 모집

교수님 소개

문은국, 文恩國

연구실 키워드

알럼나이가 간 회사

연구실 지원 방법

대우 조건

연도별 논문 인용수

저널 & 학회 논문 출판 수

연구실 논문 목록

Unconventional room-temperature carriers in the triangular-lattice Mott insulator TbInO3

Advancing hybrid quantum-classical algorithms via mean operators

Construction of entangled many-body states via the Higgs mechanism

연구실 보유 특허

최근 3년간 연구실적 높은 연구실

대학별 입시끈

우리 연구실 모집