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Observation of a new light-induced skyrmion phase in the Mott insulator Cu2OSeO3
Alexey A. Sapozhnik, Benoit Truc, Phoebe Tengdin +10
We report the discovery of a novel skyrmion phase in the multiferroic insulator Cu2OSeO3 for magnetic fields below the equilibrium skyrmion pocket. This phase can be accessed by ex…
An ab initio supercell approach for high-harmonic generation in liquids
Zahra Nourbakhsh, Ofer Neufeld, Nicolas Tancogne-Dejean +1
Many important ultrafast phenomena take place in the liquid phase. However, there is no practical theory to predict how liquids respond to intense light. Here, we propose an $ab~in…
Controlling the magnetic state of the proximate quantum spin liquid -RuCl with an optical cavity
Emil Vinas Boström, Adithya Sriram, Martin Claassen +1
Harnessing the enhanced light-matter coupling and quantum vacuum fluctuations resulting from mode volume compression in optical cavities is a promising route towards functionalizin…
A time-based Chern number in periodically-driven systems in the adiabatic limit
I-Te Lu, Dongbin Shin, Umberto De Giovannini +4
To define the topology of driven systems, recent works have proposed synthetic dimensions as a way to uncover the underlying parameter space of topological invariants. Using time a…
Accurate Relativistic Real-Time Time-Dependent Density Functional Theory for Valence and Core Attosecond Transient Absorption Spectroscopy
Torsha Moitra, Lukas Konecny, Marius Kadek +2
First principle theoretical modeling of out-of-equilibrium processes observed in attosecond pump-probe transient absorption spectroscopy (TAS) triggering pure electron dynamics rem…
High-harmonic generation in liquids with few-cycle pulses: effect of laser-pulse duration on the cut-off energy
Angana Mondal, Benedikt Waser, Tadas Balciunas +5
High-harmonic generation (HHG) in liquids is opening new opportunities for attosecond light sources and attosecond time-resolved studies of dynamics in the liquid phase. In gas-pha…