Probing dynamics in quantum materials with femtosecond X-rays
Optical pulses are routinely used to drive dynamic changes in the properties of solids. In
quantum materials, many new phenomena have been discovered, including ultrafast …
quantum materials, many new phenomena have been discovered, including ultrafast …
Photoinduced electron pairing in a driven cavity
We demonstrate how virtual scattering of laser photons inside a cavity via two-photon
processes can induce controllable long-range electron interactions in two-dimensional …
processes can induce controllable long-range electron interactions in two-dimensional …
Ultrafast switching to an insulating-like metastable state by amplitudon excitation of a charge density wave
In correlated electron materials, multiple electronic phases may appear next to each other in
their phase diagram, and these can be tuned, for example, by applying static pressure or …
their phase diagram, and these can be tuned, for example, by applying static pressure or …
Parametric excitation of an optically silent goldstone-like phonon mode
It has recently been indicated that the hexagonal manganites exhibit Higgs-and Goldstone-
like phonon modes that modulate the amplitude and phase of their primary order parameter …
like phonon modes that modulate the amplitude and phase of their primary order parameter …
Spin high harmonic generation through terahertz laser-driven phonons
In the realm of open quantum systems, steady states and high-harmonic generation (HHG)
existing far from equilibrium have become core pillars of ultrafast science. Most solid-state …
existing far from equilibrium have become core pillars of ultrafast science. Most solid-state …
Three-dimensional ultrafast charge-density-wave dynamics in CuTe
N Nhat Quyen, WY Tzeng, CE Hsu, IA Lin… - Nature …, 2024 - nature.com
Charge density waves (CDWs) involved with electronic and phononic subsystems
simultaneously are a common quantum state in solid-state physics, especially in low …
simultaneously are a common quantum state in solid-state physics, especially in low …
Spectrally Resolving the Phase and Amplitude of Coherent Phonons in the Charge Density Wave State of 1T‐TaSe2
The excitation and detection of coherent phonons have given unique insights into the
condensed matter, in particular for materials with strong electron–phonon coupling. A study …
condensed matter, in particular for materials with strong electron–phonon coupling. A study …
Comparison of coherent phonon generation by electronic and ionic Raman scattering in
In ionic Raman scattering, infrared-active phonons mediate a scattering process that results
in the creation or destruction of a Raman-active phonon. This mechanism relies on …
in the creation or destruction of a Raman-active phonon. This mechanism relies on …
Band-selective Holstein polaron in Luttinger liquid material A0.3MoO3 (A = K, Rb)
Abstract (Quasi-) one-dimensional systems exhibit various fascinating properties such as
Luttinger liquid behavior, Peierls transition, novel topological phases, and the …
Luttinger liquid behavior, Peierls transition, novel topological phases, and the …
Bypassing the structural bottleneck in the ultrafast melting of electronic order
LX Yang, G Rohde, K Hanff, A Stange, R **ong, J Shi… - Physical review …, 2020 - APS
Impulsive optical excitation generally results in a complex nonequilibrium electron and
lattice dynamics that involves multiple processes on distinct timescales, and a common …
lattice dynamics that involves multiple processes on distinct timescales, and a common …