Alexander Kemper

Measuring qubit stability in a gate-based NISQ hardware processor

QUANTUM INFORMATION PROCESSING, 22(2).

AN ALGEBRAIC QUANTUM CIRCUIT COMPRESSION ALGORITHM FOR HAMILTONIAN SIMULATION

SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS, 43(3), 1084–1108.

Algebraic compression of quantum circuits for Hamiltonian evolution

PHYSICAL REVIEW A, 105(3).

Data for "Quantum computation of magnon spectra"

(2022, August 31). Open Science Framework.

Determining Ground-State Phase Diagrams on Quantum Computers via a Generalized Application of Adiabatic State Preparation

SYMMETRY-BASEL, 14(4).

Enhanced charge density wave coherence in a light-quenched, high-temperature superconductor

SCIENCE, 376(6595), 860-+.

Fixed Depth Hamiltonian Simulation via Cartan Decomposition

PHYSICAL REVIEW LETTERS, 129(7).

Quantum Markov chain Monte Carlo with digital dissipative dynamics on quantum computers

QUANTUM SCIENCE AND TECHNOLOGY, 7(2).

Automated tracking of S. pombe spindle elongation dynamics

Uzsoy, A. S. M., Zareiesfandabadi, P., Jennings, J., Kemper, A. F., & Elting, M. W. (2021, July 8). JOURNAL OF MICROSCOPY, Vol. 7.

Bridging the Gap Between the Transient and the Steady State of a Nonequilibrium Quantum System

(2021, January 4).

Coherent control of asymmetric spintronic terahertz emission from two-dimensional hybrid metal halides

NATURE COMMUNICATIONS, 12(1).

Fermi liquid theory sheds light on hot electron-hole liquid in 1L-MoS2

PHYSICAL REVIEW B, 103(7).

Fixed Depth Hamiltonian Simulation via Cartan Decomposition

(2021, April 1).

Flat-band-induced itinerant ferromagnetism in RbCo2Se2

PHYSICAL REVIEW B, 103(16).

Flatband-Induced Itinerant Ferromagnetism in RbCo$_2$Se$_2$

(2021, March 11).

Many-body thermodynamics on quantum computers via partition function zeros

SCIENCE ADVANCES, 7(34).

Nonequilibrium dynamics of spontaneous symmetry breaking into a hidden state of charge-density wave

NATURE COMMUNICATIONS, 12(1).

Probing the interplay between lattice dynamics and short-range magnetic correlations in CuGeO3 with femtosecond RIXS

NPJ QUANTUM MATERIALS, 6(1).

Quantum Fluctuations of Charge Order Induce Phonon Softening in a Superconducting Cuprate

PHYSICAL REVIEW X, 11(4).

Relaxation timescales and electron-phonon coupling in optically pumped YBa2Cu3O6+x revealed by time-resolved Raman scattering

PHYSICAL REVIEW B, 104(18).

Robust measurement of wave function topology on NISQ quantum computers

(2021, January 18).

Simulating quantum materials with digital quantum computers

[Review of ]. QUANTUM SCIENCE AND TECHNOLOGY, 6(4).

Timescales of excited state relaxation in alpha-RuCl3 observed by time-resolved two-photon photoemission spectroscopy

PHYSICAL REVIEW B, 103(24).

What do the two times in two-time correlation functions mean for interpreting tr-ARPES?

JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 251.

Automated tracking of S. pombe spindle elongation dynamics

Uzsoy Ana Sofı́a M., Zareiesfandabadi, P., Jennings, J., Kemper, A. F., & Elting, M. W. (2020, October 10). [], Vol. 10.

Catalogue of phonon modes in several cuprate high-temperature superconductors from density functional theory

(2020, October 20).

Driven-dissipative quantum mechanics on a lattice: Simulating a fermionic reservoir on a quantum computer

Physical Review B, 102(12).

Establishing non-thermal regimes in pump-probe electron-relaxation dynamics

(2020, September 10).

Establishing nonthermal regimes in pump-probe electron relaxation dynamics

Physical Review B.

Fermi Liquid Theory Sheds Light on "Hot" EHL in 1L-MoS$_2$

(2020, October 19).

Light-enhanced Charge Density Wave Coherence in a High-Temperature Superconductor

(2020, March 9).

Many Body Thermodynamics on Quantum Computers via Partition Function Zeros

(2020, September 10).

Observing coherences with time-resolved photoemission

(2020, May 18).

Quantum computation of magnon spectra

PHYSICAL REVIEW B, 101(1).

Topological Quantum Computing on a Conventional Quantum Computer

(2020, June 9).

Band-Resolved Imaging of Photocurrent in a Topological Insulator

Coherent Excitonic Quantum Beats in Time-Resolved Photoemission Measurements

Physical Review B, 99(12).

Correction to Dense Electron–Hole Plasma Formation and Ultralong Charge Lifetime in Monolayer MoS2 via Material Tuning

Nano Letters, 19(7), 4816–4816.

Dense Electron–Hole Plasma Formation and Ultralong Charge Lifetime in Monolayer MoS2 via Material Tuning

Nano Letters, 19(2), 1104–1111.

Detailed band structure of twinned and detwinned BaFe2As2 studied with angle-resolved photoemission spectroscopy

Physical Review B, 99(3).

Direct determination of mode-projected electron-phonon coupling in the time domain

SCIENCE, 366(6470), 1231-+.

Higgs oscillations in time-resolved optical conductivity

PHYSICAL REVIEW B, 100(17).

Identifying a forward-scattering superconductor through pump-probe spectroscopy

EPL (Europhysics Letters), 124(6), 67002.

Observation of chiral surface excitons in a topological insulator Bi2Se3

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 116(10), 4006–4011.

Theory of Time-Resolved Optical Conductivity of Superconductors: Comparing Two Methods for Its Evaluation

CONDENSED MATTER, 4(3).

Ultrafast multi-terahertz probes of symmetry breaking in a stripe-phase correlated oxide

TERAHERTZ EMITTERS, RECEIVERS, AND APPLICATIONS IX, Vol. 10756.

All-optical nonequilibrium pathway to stabilising magnetic Weyl semimetals in pyrochlore iridates

NATURE COMMUNICATIONS, 9(1).

Dynamics of correlation-frozen antinodal quasiparticles in superconducting cuprates

Science Advances, 4(2), 7.

General Principles for the Nonequilibrium Relaxation of Populations in Quantum Materials

PHYSICAL REVIEW X, 8(4).

Interfacial structure of SrZrxTi1−xO3 films on Ge

Applied Physics Letters, 113(20), 201601.

Nonequilibrium electron and lattice dynamics of strongly correlated Bi2Sr2CaCu2O8+delta single crystals

SCIENCE ADVANCES, 4(4).

Nonequilibrium electron dynamics in pump-probe spectroscopy: Role of excited phonon populations

PHYSICAL REVIEW B, 98(24).

Photoemission signature of excitons

PHYSICAL REVIEW B, 97(23).

Spectral Evidence for Emergent Order in Ba1−xNaxFe2As2

Physical Review Letters, 121(12).

Theoretical Phase Diagram for the Room-Temperature Electron-Hole Liquid in Photoexcited Quasi-Two-Dimensional Monolayer MoS2

NANO LETTERS, 18(1), 455–459.

Relaxation of nonequilibrium populations after a pump: the breaking of Mathiessen's rule

In M. K. Rafailov (Ed.), Ultrafast Bandgap Photonics II (Vol. 10193).

Amplitude mode oscillations in pump-probe photoemission spectra from a d-wave superconductor

PHYSICAL REVIEW B, 96(18).

Creating stable Floquet–Weyl semimetals by laser-driving of 3D Dirac materials

Nature Communications, 8, 13940.

Creating stable Floquet–Weyl semimetals by laser-driving of 3D Dirac materials

Deutsches Elektronen-Synchrotron, DESY, Hamburg.

Creating stable floquet-weyl semimetals by laser-driving of 3d dirac materials

Nature Communications, 8.

Review of the Theoretical Description of Time‐Resolved Angle‐Resolved Photoemission Spectroscopy in Electron‐Phonon Mediated Superconductors

Annalen Der Physik, 529(9), 1600235.

Surface vibrational modes of the topological insulator Bi2Se3 observed by Raman spectroscopy

PHYSICAL REVIEW B, 95(24).

The role of average time dependence on the relaxation of excited electron populations in nonequilibrium many-body physics

Fortschritte Der Physik-Progress of Physics, 65(6-8).

The role of average time dependence on the relaxation of excited electron populations in nonequilibrium many-body physics

Fortschritte Der Physik-Progress of Physics, 65(6-8), 8.

Ultrafast dynamics of vibrational symmetry breaking in a charge-ordered nickelate

Science Advances, 3(11).

Energy dissipation from a correlated system driven out of equilibrium

Nature Communications, 7, 13761.

Relationship between Population Dynamics and the Self-Energy in Driven Non-Equilibrium Systems

Entropy, 18(5), 180.

Spin-polarized surface resonances accompanying topological surface state formation

Nature Communications, 7(1), 13143.

The rate of quasiparticle recombination probes the onset of coherence in cuprate superconductors

Sci. Rep., 6, 23610.

Theory of light-enhanced phonon-mediated superconductivity

PHYSICAL REVIEW B, 93(14).

Ultrafast resonant soft x-ray diffraction dynamics of the charge density wave in TbTe 3

Phys. Rev. B, 93(2).

Bandwidth and Electron Correlation-Tuned Superconductivity in Rb 0.8 Fe 2 ( Se 1 − z S z ) 2

Phys. Rev. Lett., 115(25).

Classification of collective modes in a charge density wave by momentum-dependent modulation of the electronic band structure

Phys. Rev. B, 91(20).

Direct characterization of photoinduced lattice dynamics in BaFe2As2

Nat Comms, 6, 7377.

Direct observation of Higgs mode oscillations in the pump-probe photoemission spectra of electron-phonon mediated superconductors

PHYSICAL REVIEW B, 92(22).

First-principles study of the phonon modes in bismuth sillenites

Phys. Rev. B, 91(14).

Numerical integration for ab initio many-electron self energy calculations within the GW approximation

Journal of Computational Physics, 286, 1–13.

Scattering bottleneck for spin dynamics in metallic helical antiferromagnetic dysprosium

Phys. Rev. B, 92(18).

Theory of Floquet band formation and local pseudospin textures in pump-probe photoemission of graphene

Nat Comms, 6, 7047.

Thickness-Dependent Coherent Phonon Frequency in Ultrathin FeSe/SrTiO 3 Films

Nano Lett., 15(6), 4150–4154.

Transient Exchange Interaction in a Helical Antiferromagnet

In 2015 Conference on Lasers and Electro-Optics. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000370627100375&KeyUID=WOS:000370627100375

Transient Exchange Interaction in a Helical Antiferromagnet

CLEO: 2015. Presented at the CLEO: QELS_Fundamental Science.

Balancing Act: Evidence for a Strong Subdominant d -Wave Pairing Channel in Ba 0.6 K 0.4 Fe 2 As 2

Phys. Rev. X, 4(4), 64–69.

Bandgap closure and reopening in ${\mathrm{CsAuI}}_3$ at high pressure

Phys. Rev. B, 89(24).

Distinguishing Bulk and Surface Electron-Phonon Coupling in the Topological Insulator ${\mathrm{Bi}}_2{\mathrm{Se}}_3$ Using Time-Resolved Photoemission Spectroscopy

Phys. Rev. Lett., 113(15).

Dynamic competition between spin-density wave order and superconductivity in underdoped Ba1−xKxFe2As2

Nat Comms, 5.

Effect of dynamical spectral weight redistribution on effective interactions in time-resolved spectroscopy

Phys. Rev. B, 90(7).

Exact solution for high harmonic generation and the response to an ac driving field for a charge density wave insulator

Phys. Rev. B, 90(11).

Manipulation of Gap Nodes by Uniaxial Strain in Iron-Based Superconductors

Phys. Rev. Lett., 113(21).

Nonequilibrium sum rules for the Holstein model

Conference Proceedings for FEIS 2013. Presented at the FEIS 2013. Retrieved from arXiv:1403.5604

Publisher's Note: Effect of dynamical spectral weight redistribution on effective interactions in time-resolved spectroscopy [Phys. Rev. B 90, 075126 (2014)]

Phys. Rev. B, 90(7).

Ultrafast electron dynamics in the topological insulator Bi2Se3 studied by time-resolved photoemission spectroscopy

Journal of Electron Spectroscopy and Related Phenomena, 195, 249–257.

Alternative route to charge density wave formation in multiband systems

PNAS, 110(1), 64–69.

Direct Optical Coupling to an Unoccupied Dirac Surface State in the Topological Insulator Bi_{2}Se_{3}

Physical Review Letters, 111(13), 5.

Electron-Mediated Relaxation Following Ultrafast Pumping of Strongly Correlated Materials: Model Evidence of a Correlation-Tuned Crossover between Thermal and Nonthermal States

Physical Review Letters, 111(7).

Examining Electron-Boson Coupling Using Time-Resolved Spectroscopy

Physical Review X, 3(4).

Hot electron transport in a strongly correlated transition-metal oxide

Sci. Rep., 3.

Infrared study of the electronic structure of the metallic pyrochlore iridate Bi_{2}Ir_{2}O_{7}

Phys. Rev. B, 87(19), 7.

Mapping of unoccupied states and relevant bosonic modes via the time-dependent momentum distribution

Phys. Rev. B, 87(23).

Structure and functionality of bromine doped graphite

J. Chem. Phys., 138(16), 164702.

Theoretical description of high-order harmonic generation in solids

New Journal of Physics, 15(2), 023003.

Time-dependent charge-order and spin-order recovery in striped systems

Phys. Rev. B, 88(12).

Tunneling spectroscopy for probing orbital anisotropy in iron pnictides

Phys. Rev. B, 88(17).

Density functional study of gold and iron clusters on perfect and defected graphene

Phys. Rev. B, 85(16).

Phase fluctuations and the absence of topological defects in a photo-excited charge-ordered nickelate

Nature Communications, 3, 838.

Pulsed high harmonic generation of light due to pumped Bloch oscillations in noninteracting metals

Phys. Scr., T151, 014062.

Anisotropic quasiparticle lifetimes in Fe-based superconductors

Phys. Rev. B, 83(18).

Symmetry-breaking orbital anisotropy observed for detwinned Ba(Fe1-xCox)2As2 above the spin density wave transition

Proceedings of the National Academy of Sciences, 108(17), 6878–6883.

Theory of Two-Magnon Raman Scattering in Iron Pnictides and Chalcogenides

Physical Review Letters, 106(6).

Erratum: Effects of cobalt doping and three-dimensionality in BaFe_{2}As_{2} [Phys. Rev. B 80, 104511 (2009)]

Phys. Rev. B, 81(22).

Sensitivity of the superconducting state and magnetic susceptibility to key aspects of electronic structure in ferropnictides

New Journal of Physics, 12(7), 073030.

Spin fluctuations and superconductivity in a three-dimensional tight-binding model for BaFe_{2}As_{2}

Phys. Rev. B, 81(21).

Curvature effect on the interaction between folded graphitic surface and silver clusters

Phys. Rev. B, 79(19).

Effects of cobalt doping and three-dimensionality in BaFe2As2

Phys. Rev. B, 80(10).

Insensitivity of d-wave pairing to disorder in the high-temperature cuprate superconductors

Phys. Rev. B, 79(10).

Nonequilibrium Green’s function study of Pd4-cluster-functionalized carbon nanotubes as hydrogen sensors

Phys. Rev. B, 79(7).