Toggle navigation
Kemper Lab
research
publications
team
outreach
join
contact
Publications
Google Scholar
/
arXiv
/
ORCID
Click on each paper for abstract and link to full text.
Higgs Oscillations in time-resolved Optical Conductivity
A. Kumar and A.F. Kemper, PRB 2019
Quantum computation of magnon spectra
A. Francis et al., arXiv:1909.05701
Theory of Time-Resolved Optical Conductivity of Superconductors: Comparing Two Methods for Its Evaluation
J.P. Revelle et al., Condens. Matter (2019)
Band resolved imaging of photocurrent in a topological insulator
Soifer et al., Phys. Rev. Lett. 2019
Nonequilibrium dynamics of spontaneous symmetry breaking into a hidden state of charge-density wave
F. Zhou et al., arXiv:1904.07120
Coherent excitonic quantum beats in time-resolved photoemission measurements
A. Rustagi and A.F. Kemper, Phys. Rev. B 2019
Observation of chiral surface excitons in a topological insulator Bi2Se3
H.-H. Kung et al., PNAS 2019
Direct determination of mode-projected electron-phonon coupling in the time-domain
M.X. Na et al., arXiv:1902.05572
Detailed band structure of twinned and detwinned BaFe
2
As
2
studied with angle-resolved photoemission spectroscopy
H. Pfau et al., Phys. Rev. B (2019)
Identifying a forward scattering superconductor through pump-probe spectroscopy
A. Kumar et al., Euro Phys. Lett. 124 67002
Dense Electron–Hole Plasma Formation and Ultralong Charge Lifetime in Monolayer MoS
2
via Material Tuning
A.W. Bataller et al., Nano Lett. 2019, 19, 2, 1104-1111
Nonequilibrium Electron Dynamics In Pump-Probe Spectroscopy: Role Of Excited Phonon Populations
O. Abdurazakov et al., Phys. Rev. B (2018)
Interfacial Structure of SrZr
x
Ti
1−x
O
3
films on Ge
T Chen et al., Appl. Phys. Lett. 113, 201601 (2018)
All-optical nonthermal pathway to stabilizing magnetic Weyl semimetals in pyrochlore iridates
G.E. Topp et al., Nature Communications 2018
General principles for the non-equilibrium relaxation of populations in quantum materials
A.F. Kemper et al., Phys. Rev. X 2018
Spectral Evidence for Emergent Order in Ba
1-x
Na
x
Fe
2
As
2
M. Yi et al., Phys. Rev. Lett. 121, 127001 (2018)
Ultrafast multi-terahertz probes of symmetry breaking in a stripe-phase correlated oxide
G. Coslovich et al., Proc. SPIE 2018
Photoemission signature of excitons
A. Rustagi & A. F. Kemper, Phys. Rev. B 2018
Nonequilibrium electron and lattice dynamics of strongly correlated Bi
2
Sr
2
CaCu
2
O
8+\delta
single crystals
T. Konstantinova et al., SCIENCE ADVANCES 2018
Dynamics of correlation-frozen antinodal quasiparticles in superconducting cuprates
F. Cilento et al., SCIENCE ADVANCES 2018
Theoretical phase diagram for the room temperature Electron-Hole Liquid in photo-excited quasi-2D monolayer MoS
2
A. Rustagi & A. F. Kemper, NANO LETTERS 2017
Ultrafast Dynamics of Vibrational Symmetry Breaking in a Charge-ordered Nickelate
G. Coslovich et al., SCIENCE ADVANCES 2017
Amplitude mode oscillations in pump-probe photoemission spectra from a d-wave superconductor
B. Nosarzewski et al., PHYSICAL REVIEW B 2017
Review of the theoretical description of time-resolved angle-resolved photoemission spectroscopy in electron-phonon mediated superconductors
A. F. Kemper et al., ANNALEN DER PHYSIK 2017
Surface vibrational modes of the topological insulator Bi2Se3 observed by Raman spectroscopy
H. Kung et al., PHYSICAL REVIEW B 2017
Relaxation of nonequilibrium populations after a pump, the breaking of Mathiessens rule
J. K. Freericks et al., ULTRAFAST BANDGAP PHOTONICS II 2017
Creating stable Floquet-Weyl semimetals by laser-driving of 3D Dirac materials
H. Huebener et al., NATURE COMMUNICATIONS 2017
Energy dissipation from a correlated material driven out of equilibrium
J. D. Rameau et al., NATURE COMMUNICATIONS 2016
Spin-Polarized Surface Resonances Accompanying Topological Surface State Formation
C. Jozwiak et al., NATURE COMMUNICATIONS 2016
Relationship between Population Dynamics and the Self-Energy in Driven Non-Equilibrium Systems
A.F. Kemper & J. Freericks, ENTROPY 2016
The rate of quasiparticle recombination probes the onset of coherence in cuprate superconductors
J. Hinton et al., SCIENTIFIC REPORTS 2016
Theory of light-enhanced phonon-mediated superconductivity
M. Sentef et al., PHYSICAL REVIEW B 2016
Ultrafast lattice dynamics of the electronically driven, lattice directed charge density wave in TbTe
3
R. G. Moore et al., PHYSICAL REVIEW B 2016
Direct observation of Higgs mode oscillations in the pump-probe photoemission spectra of electron-phonon mediated superconductors
A.F. Kemper et al., PHYSICAL REVIEW B 2015
Bandwidth and Electron Correlation-Tuned Superconductivity in Rb
0.8
Fe
2
(Se
1-z
S
z
)
2
M. Yi et al., PHYSICAL REVIEW LETTERS 2015
Scattering bottleneck for spin dynamics in metallic helical antiferromagnetic dysprosium
M. Langner et al., PHYSICAL REVIEW B 2015
Direct characterisation of photo-induced femtosecond lattice dynamics in BaFe
2
As
2
S. Gerber et al., NATURE COMMUNICATIONS 2015
Thickness-Dependent Coherent Phonon Frequency in Ultrathin FeSe/SrTiO
3
Films
S. Yang et al., NANO LETTERS 2015
Classification of Collective Modes in a Charge Density Wave by Momentum-Dependent Modulation of the Electronic Band Structure
D. Leuenberger et al., PHYSICAL REVIEW B 2015
Theory of pump-probe photoemission in graphene; Ultrafast tuning of Floquet bands and local pseudospin textures
M. Sentef et al., NATURE COMMUNICATIONS 2015
Older papers
First-principles study of the phonon modes in bismuth-sillenites
D. Arenas et al., PHYSICAL REVIEW B 2015
Numerical integration for ab initio many-electron self energy calculations within the GW approximation
F. Liu et al., JOURNAL OF COMPUTATIONAL PHYSICS 2015
Manipulation of gap nodes by uniaxial strain in iron-based superconductors
J. Kang et al., PHYSICAL REVIEW LETTERS 2014
Distinguishing Bulk and Surface Electron-Phonon Coupling in a Photoexcited Topological Insulator
J. Sobota et al., PHYSICAL REVIEW LETTERS 2014
Exact solution for high harmonic generation and the response to an AC driving field for a charge density wave insulator
W. Shen et al., PHYSICAL REVIEW B 2014
Effect of dynamical spectral weight distribution on effective interactions in time-resolved spectroscopy
A.F. Kemper et al., PHYSICAL REVIEW B 2014
Ultrafast electron dynamics in the topological insulator Bi
2
Se
3
studied by time-resolved photoemission spectroscopy
J. Sobota et al., JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA 2014
Bandgap closure and reopening in CsAuI
3
at high pressure
S. Wang et al., PHYSICAL REVIEW B 2014
Dynamic competition between spin-density wave order and superconductivity in under doped Ba
1-x
K
x
Fe
2
As
2
M. Yi et al., NATURE COMMUNICATIONS 2014
Examining electron-boson coupling using time-resolved spectroscopy
M. Sentef et al., PHYSICAL REVIEW X 2013
Alternative route to charge density wave formation in multiband systems
H. Eiter et al., Physical Review X 2013
Tunneling spectroscopy for probing orbital anisotropy in iron pnictides
N. Plonka et al., PHYSICAL REVIEW B 2013
Direct optical coupling to an unoccupied Dirac surface state in the topological insulator Bi
2
Se
3
J. Sobota et al., PHYSICAL REVIEW LETTERS 2013
Time-dependent charge-order and spin-order recovery in striped systems
Y. F. Kung et al., PHYSICAL REVIEW B 2013
Electron-Mediated Relaxation Following Ultrafast Pumping of Strongly Correlated Materials; Model Evidence of a Correlation-Tuned Crossover between Thermal and Nonthermal States
B. Moritz et al., PHYSICAL REVIEW LETTERS 2013
Mapping of unoccupied states and relevant bosonic modes via the time dependent momentum distribution
A.F. Kemper et al., PHYSICAL REVIEW B 2013
Infrared study of the electronic structure of the metallic pyrochlore iridate Bi
2
Ir
2
O
7
Y. S. Lee et al., PHYSICAL REVIEW B 2013
Structure and functionality of bromine doped graphite
R. Hamdan et al., JOURNAL OF CHEMICAL PHYSICS 2013
Hot electron transport in a strongly correlated transition-metal oxide
K. G. Rana et al., SCIENTIFIC REPORTS 2013
Theoretical description of high-order harmonic generation in solids
A.F. Kemper et al., NEW JOURNAL OF PHYSICS 2013
Pulsed high harmonic generation of light due to pumped Bloch oscillations in noninteracting metals
J. Freericks et al., PHYSICA SCRIPTA 2012
Phase fluctuations and the absence of topological defects in a photo-excited charge-ordered nickelate
W. S. Lee et al., NATURE COMMUNICATIONS 2012
Density functional study of gold and iron clusters on perfect and defected graphene
M. K. Srivastava et al., PHYSICAL REVIEW B 2012
Anisotropic quasiparticle lifetimes in Fe-based superconductors
A.F. Kemper et al., PHYSICAL REVIEW B 2011
Symmetry breaking orbital anisotropy on detwinned Ba(Fe
1-x
Co
x
)
2
As
2
above the spin density wave transition
M. Yi et al., PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 2011
Theory of Two-Magnon Raman Scattering in Iron Pnictides and Chalcogenides
C. Chen et al., PHYSICAL REVIEW LETTERS 2011
Sensitivity of the superconducting state and magnetic susceptibility to key aspects of electronic structure in ferropnictides
A.F. Kemper et al., NEW JOURNAL OF PHYSICS 2010
Spin fluctuations and superconductivity in a three-dimensional tight-binding model for BaFe
2
As
2
S. Graser et al., PHYSICAL REVIEW B 2010
Effects of cobalt doping and three-dimensionality in BaFe
2
As
2
A.F. Kemper et al., PHYSICAL REVIEW B 2009
Curvature effect on the interaction between folded graphitic surface and silver clusters
A.F. Kemper et al., PHYSICAL REVIEW B 2009
Insensitivity of d-wave pairing to disorder in the high-temperature cuprate superconductors
A.F. Kemper et al., PHYSICAL REVIEW B 2009
Nonequilibrium Green's function study of Pd
4
-cluster-functionalized carbon nanotubes as hydrogen sensors
C. Cao et al., PHYSICAL REVIEW B 2009
Department of Physics
NC State University
Site info
