Jan M. Rost
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View article: Visualizing the strong field–induced molecular breakup of C <sub>60</sub> via x-ray diffraction
Visualizing the strong field–induced molecular breakup of C <sub>60</sub> via x-ray diffraction Open
Laser-driven dynamics in polyatomic molecules poses a complex many-body problem. Understanding intense light-matter interaction is crucial for steering intramolecular quantum dynamical processes. Here, we record time-resolved x-ray diffrac…
View article: Dynamical phase evolution of Coulomb-focused electrons in strong-field ionization probed by a standing light wave
Dynamical phase evolution of Coulomb-focused electrons in strong-field ionization probed by a standing light wave Open
We investigate the dynamical phase evolution of Coulomb-focused electrons in strong-field ionization. We diffract the electrons with an ultrashort standing light wave to track their time-dependent phase. Our findings show that low-energy e…
View article: Manipulating photodissociation dynamics via an embedding UV pulse
Manipulating photodissociation dynamics via an embedding UV pulse Open
Ultraviolet (UV) photodissociation provides valuable insights into fragmentation patterns and photochemical reactions. However, the limited overlap between vibrational bound states and continuum states hinders efficient quantum excitation.…
View article: Resolving the phase of Fano resonance wave packets with photoelectron frequency-resolved optical gating
Resolving the phase of Fano resonance wave packets with photoelectron frequency-resolved optical gating Open
The creation of structured electronic wave packets (EWPs) energetically close to Fano resonances has been achieved with ultrafast extreme ultraviolet coherent light sources. However, direct real-time observations of EWP evolution and full …
View article: Transitional Supersolidity in Ion Doped Helium Droplets
Transitional Supersolidity in Ion Doped Helium Droplets Open
He4 nanodroplets doped with an alkali ion feature a snowball of crystallized layers surrounded by superfluid helium. For large droplets, we predict that a transitional supersolid layer can form, bridging between the solid core and the liqu…
View article: Light control of intramolecular nuclear dynamics by vortex electron localization
Light control of intramolecular nuclear dynamics by vortex electron localization Open
In strong-field ionization of molecules, intense light pulses are thought to have a negligible direct influence on atomic nuclei. Molecular dissociation is thus expected to be determined by the geometrical configuration of the molecular io…
View article: Zero-Energy Photoelectric Effect
Zero-Energy Photoelectric Effect Open
We predict a near-threshold (“zero energy”) peak in multiphoton ionization for a dynamical regime where the photon frequency is large compared to the binding energy of the electron. The peak position does not depend on the laser frequency …
View article: Transitional supersolidity in ion doped helium droplets
Transitional supersolidity in ion doped helium droplets Open
$^4$He nanodroplets doped with an alkali ion feature a snowball of crystallized layers surrounded by superfluid helium. For large droplets, we predict that a transitional supersolid layer can form, bridging between the solid core and the l…
View article: Interference Control of Fano Resonances and Dynamical Imaging of an Electron Wave Packet
Interference Control of Fano Resonances and Dynamical Imaging of an Electron Wave Packet Open
The Fano line shape, arising from the interference of pathways for the excitation of discrete and continuum states, plays a fundamental role in many branches of physics, chemistry, and materials science. Exciting the resonance with a high …
View article: Diffraction patterns in attosecond photoionization time delay
Diffraction patterns in attosecond photoionization time delay Open
Upon absorbing a photon, the ionized electron sails through the target force field in attoseconds to reach free space. This navigation probes details of the potential landscape that get imprinted into the phase of the ionization amplitude.…
View article: Driven-dissipative fermionized topological phases of strongly interacting bosons
Driven-dissipative fermionized topological phases of strongly interacting bosons Open
We study the optical response of a one-dimensional array of strongly nonlinear optical microcavities with alternating tunnel transmissivities, mimicking the paradigmatic Su-Schriefer Heeger model. We show that the non-equilibrium steady st…
View article: Statistical mechanics from relational complex time with a pure state
Statistical mechanics from relational complex time with a pure state Open
Thermodynamics and its quantum counterpart are traditionally described with statistical ensembles. Canonical typicality has related statistical mechanics for a system to ensembles of global energy eigenstates of a system and its environmen…
View article: Roadmap on data-centric materials science
Roadmap on data-centric materials science Open
Science is and always has been based on data, but the terms ‘data-centric’ and the ‘4th paradigm’ of materials research indicate a radical change in how information is retrieved, handled and research is performed. It signifies a transforma…
View article: Statistical mechanics from relational complex time with a pure state
Statistical mechanics from relational complex time with a pure state Open
Thermodynamics and its quantum counterpart are traditionally described with statistical ensembles. Canonical typicality has related statistical mechanics for a system to ensembles of global energy eigen- states of system and its environmen…
View article: The influence of hyperchaoticity, synchronization, and Shannon entropy on the performance of a physical reservoir computer
The influence of hyperchaoticity, synchronization, and Shannon entropy on the performance of a physical reservoir computer Open
In this paper, we analyze the dynamic effect of a reservoir computer (RC) on its performance. Modified Kuramoto’s coupled oscillators are used to model the RC, and synchronization, Lyapunov spectrum (and dimension), Shannon entropy, and th…
View article: Roadmap on Data-Centric Materials Science
Roadmap on Data-Centric Materials Science Open
Science is and always has been based on data, but the terms ‘data-centric’ and the ‘4th paradigm’ of materials research indicate a radical change in how information is retrieved, handled and research is performed. It signifies a transforma…
View article: Roadmap on Data-Centric Materials Science
Roadmap on Data-Centric Materials Science Open
Science is and always has been based on data, but the terms ‘data-centric’ and the ‘4th paradigm’ of materials research indicate a radical change in how information is retrieved, handled and research is performed. It signifies a transforma…
View article: Roadmap on Data-Centric Materials Science
Roadmap on Data-Centric Materials Science Open
Science is and always has been based on data, but the terms ‘data-centric’ and the ‘4th paradigm’ of materials research indicate a radical change in how information is retrieved, handled and research is performed. It signifies a transforma…
View article: Topological edge states in a Rydberg composite
Topological edge states in a Rydberg composite Open
We examine topological phases and symmetry-protected electronic edge states in the context of a Rydberg composite: a Rydberg atom interfaced with a structured arrangement of ground-state atoms. We show that the spectrum of the electronic H…
View article: Quantum transport enabled by non-adiabatic transitions
Quantum transport enabled by non-adiabatic transitions Open
Quantum transport of charge or energy in networks with discrete sites is central to diverse quantum technologies, from molecular electronics to light harvesting and quantum opto-mechanical metamaterials. A one dimensional network can be vi…
View article: Roadmap on Data-Centric Materials Science
Roadmap on Data-Centric Materials Science Open
Science is and always has been based on data, but the terms "data-centric" and the "4th paradigm of" materials research indicate a radical change in how information is retrieved, handled and research is performed. It signifies a transforma…
View article: Energy conservation law in strong-field photoionization by circularly polarized light
Energy conservation law in strong-field photoionization by circularly polarized light Open
We establish an energy conservation law for tunneling electrons driven by a circularly polarized light in a rotationally invariant potential. This conservation law emerges from the adiabaticity of the ionization process when described in t…
View article: Emergence of Time from Quantum Interaction with the Environment
Emergence of Time from Quantum Interaction with the Environment Open
The nature of time as emergent for a system by separating it from its environment has been put forward by Page and Wootters [Phys. Rev. D 27, 2885 (1983)PRVDAQ0556-282110.1103/PhysRevD.27.2885] in a quantum mechanical setting neglecting in…
View article: The emergence of time from quantum interaction with the environment
The emergence of time from quantum interaction with the environment Open
The nature of time as emergent for a system by separating it from its environment has been put forward by Page and Wootters [D. N. Page and W. K. Wootters, Phys. Rev. D 27, 2885 (1983)] in a quantum mechanical setting neglecting interactio…
View article: Topological edge states in a Rydberg composite
Topological edge states in a Rydberg composite Open
We examine topological phases and symmetry-protected electronic edge states in the context of a Rydberg composite: a Rydberg atom interfaced with a structured arrangement of ground-state atoms. The electronic Hamiltonian of such a composit…
View article: Time delays in anisotropic systems
Time delays in anisotropic systems Open
Scattering properties and time delays for general (non-symmetric) potentials in terms of the respective S-matrices are discussed paradigmatically in one dimension and in comparison to symmetric potentials. Only for the latter the Wigner an…
View article: Anderson localization of a Rydberg electron
Anderson localization of a Rydberg electron Open
Highly excited Rydberg atoms inherit their level structure, symmetries, and scaling behavior from the hydrogen atom. We demonstrate that these fundamental properties enable a thermodynamic limit of a single Rydberg atom subjected to intera…
View article: Strong-field photoionization by circularly polarized light
Strong-field photoionization by circularly polarized light Open
We demonstrate that strong-field ionization of atoms driven by circularly polarized light becomes an adiabatic process when described in the frame rotating with the laser field. As a direct consequence, a conservation law emerges: in the r…
View article: Laser-assisted Fano resonance: attosecond quantum control and dynamical imaging
Laser-assisted Fano resonance: attosecond quantum control and dynamical imaging Open
A Fano resonance arises from the pathway interference between discrete and continuum states, playing a fundamental role in many branches of physics, chemistry and material science. Here, we introduce the concept of a laser-assisted Fano re…
View article: Symmetry-induced decoherence-free subspaces
Symmetry-induced decoherence-free subspaces Open
Preservation of coherence is a fundamental, yet subtle, phenomenon in open systems. We uncover its relation to symmetries respected by the system Hamiltonian and its coupling to the environment. We discriminate between local and global cla…