Multidimensional coherent spectroscopy of light-driven states and their collective modes in multiband superconductors

M Mootz, L Luo, C Huang, J Wang, E Perakis - Physical Review B, 2024 - APS
We present a comprehensive theory of light-controlled multiband superconductivity, and
apply it to predict distinctive signatures of light-driven superconducting (SC) states in …

Ultrafast nonthermal terahertz electrodynamics and possible quantum energy transfer in the superconductor

X Yang, X Zhao, C Vaswani, C Sundahl, B Song, Y Yao… - Physical Review B, 2019 - APS
We report terahertz (THz) electrodynamics of a moderately clean A15 superconductor (SC)
following ultrafast excitation to manipulate quasiparticle (QP) transport. In the Martensitic …

[HTML][HTML] Ultrafast activation of the double-exchange interaction in antiferromagnetic manganites

JR Hortensius, D Afanasiev, L Vistoli, M Matthiesen… - APL Materials, 2023 - pubs.aip.org
In doped manganite systems, strong electronic correlations result in rich phase diagrams
where electron delocalization strongly affects the magnetic order. Here, we employ a …

Nonequilibrium Pair Breaking in Superconductors: Evidence for Formation of a Photoinduced Excitonic State

X Yang, L Luo, M Mootz, A Patz, SL Bud'ko… - Physical Review Letters, 2018 - APS
Ultrafast terahertz (THz) pump-probe spectroscopy reveals an unusual out-of-equilibrium
Cooper pair nonlinear dynamics and a nonequilibrium state driven by femtosecond (fs) …

Lightwave terahertz quantum manipulation of nonequilibrium superconductor phases and their collective modes

M Mootz, J Wang, IE Perakis - Physical Review B, 2020 - APS
We present a gauge-invariant density matrix description of nonequilibrium superconductor
(SC) states with spatial and temporal correlations driven by intense terahertz (THz) …

Two-dimensional coherent spectrum of high-spin models via a quantum computing approach

M Mootz, PP Orth, C Huang, L Luo… - Quantum Science …, 2023 - iopscience.iop.org
We present and benchmark a quantum computing approach to calculate the two-
dimensional coherent spectrum (2DCS) of high-spin models. Our approach is based on …

Photoinduced transitions in magnetoresistive manganites: A comprehensive view

V Esposito, L Rettig, E Abreu, EM Bothschafter… - Physical Review B, 2018 - APS
We use femtosecond x-ray diffraction to study the structural response of charge and orbitally
ordered Pr 1− x Ca x MnO 3 thin films across a phase transition induced by 800 nm laser …

Light-wave control of correlated materials using quantum magnetism during time-periodic modulation of coherent transport

PC Lingos, MD Kapetanakis, J Wang… - Communications …, 2021 - nature.com
Light–wave quantum electronics utilizes the oscillating carrier wave to control electronic
properties with intense laser pulses. Without direct light–spin interactions, however …

Room temperature hidden state in a manganite observed by time-resolved X-ray diffraction

H Zhang, Y Zhang, R Li, J Yu, W Dong, C Chen… - npj Quantum …, 2019 - nature.com
Realizing active quantum control of materials near room temperature is one of the ultimate
aims for their practical applications. Recent technological breakthroughs demonstrated that …

Light-wave control of non-equilibrium correlated states using quantum femtosecond magnetism and time-periodic modulation of coherent transport

PC Lingos, MD Kapetanakis, J Wang… - arXiv preprint arXiv …, 2020 - arxiv.org
Lightwave quantum electronics utilizes the oscillating carrier wave of intense laser fields to
control quantum materials properties. Using quantum kinetic equations of motion, we …