Terahertz control of many-body dynamics in quantum materials

CJ Yang, J Li, M Fiebig, S Pal - Nature Reviews Materials, 2023 - nature.com
Quantum-mechanical phenomena underpin the behaviour of quantum materials at the
microscopic level. The description of several essential properties of these materials …

Colloquium: Heavy-electron quantum criticality and single-particle spectroscopy

S Kirchner, S Paschen, Q Chen, S Wirth, D Feng… - Reviews of Modern …, 2020 - APS
Angle-resolved photoemission spectroscopy (ARPES) and scanning tunneling microscopy
(STM) have become indispensable tools in the study of correlated quantum materials. Both …

Distinct pairing symmetries of superconductivity in infinite-layer nickelates

Z Wang, GM Zhang, Y Yang, FC Zhang - Physical Review B, 2020 - APS
We report theoretical predictions on the pairing symmetry of the newly discovered
superconducting nickelate Nd 1− x Sr x NiO 2 based on the renormalized mean-field theory …

Rare-region-induced avoided quantum criticality in disordered three-dimensional Dirac and Weyl semimetals

JH Pixley, DA Huse, S Das Sarma - Physical Review X, 2016 - APS
We numerically study the effect of short-ranged potential disorder on massless
noninteracting three-dimensional Dirac and Weyl fermions, with a focus on the question of …

Triangular Kondo lattice in and its quantum critical behavior in a magnetic field

K Guo, J Ye, S Guan, S Jia - Physical Review B, 2023 - APS
We report on the magnetization, specific heat, and electrical resistivity for a newly
discovered heavy-fermion (HF) compound, YbV 6 Sn 6, which is crystallized in a hexagonal …

Band Dependent Interlayer -Electron Hybridization in

QY Chen, DF Xu, XH Niu, R Peng, HC Xu, CHP Wen… - Physical review …, 2018 - APS
A key issue in heavy fermion research is how subtle changes in the hybridization between
the 4 f (5 f) and conduction electrons can result in fundamentally different ground states …

Controlled bond expansion for density matrix renormalization group ground state search at single-site costs

A Gleis, JW Li, J Von Delft - Physical Review Letters, 2023 - APS
DMRG ground state search algorithms employing symmetries must be able to expand virtual
bond spaces by adding or changing symmetry sectors if these lower the energy. Traditional …

Tracing crystal-field splittings in the rare-earth-based intermetallic

QY Chen, CHP Wen, Q Yao, K Huang, ZF Ding, L Shu… - Physical Review B, 2018 - APS
Crystal electric field states in rare earth intermetallics show an intricate entanglement with
the many-body physics that occurs in these systems and that is known to lead to a plethora …

Evolution of the Kondo lattice and non-Fermi liquid excitations in a heavy-fermion metal

S Seiro, L Jiao, S Kirchner, S Hartmann… - Nature …, 2018 - nature.com
Strong electron correlations can give rise to extraordinary properties of metals with
renormalized Landau quasiparticles. Near a quantum critical point, these quasiparticles can …

Critical exponents of strongly correlated fermion systems from diagrammatic multiscale methods

AE Antipov, E Gull, S Kirchner - Physical Review Letters, 2014 - APS
Self-consistent dynamical approximations for strongly correlated fermion systems are
particularly successful in capturing the dynamical competition of local correlations. In these …