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173 papers · 1 filter
Genuine many-body quantum scars along unstable modes in Bose-Hubbard systems
Quirin Hummel, Klaus Richter, Peter Schlagheck
The notion of many-body quantum scars is associated with special eigenstates, usually concentrated in certain parts of Hilbert space, that give rise to robust persistent oscillatio…
Emergence of a tunable crystalline order in a Floquet-Bloch system from a parametric instability
Nathan Dupont, Lucas Gabardos, Floriane Arrouas +6
Parametric instabilities in interacting systems can lead to the appearance of new structures or patterns. In quantum gases, two-body interactions are responsible for a variety of i…
Dissecting the active galactic nucleus in Circinus -- III. VLT/FORS2 polarimetry confirms dusty cone illuminated by a tilted accretion disc
Marko Stalevski, Santiago González-Gaitán, Đorđe Savić +4
We present polarimetric maps of the Circinus galaxy nucleus in the bands, obtained with VLT/FORS2. Circinus is the closest Seyfert 2 galaxy and harbours an archetypal obscur…
Shape, alignment, and mass distribution of baryonic and dark-matter halos in one EAGLE simulation
Q. Petit, C. Ducourant, E. Slezak +2
Accurate knowledge of the morphology of halos and its evolution are key constraints on the galaxy formation model as well as a determinant parameter of the strong-lensing phenomeno…
Higher metal abundances do not solve the solar problem
G. Buldgen, P. Eggenberger, A. Noels +4
Context. The Sun acts as a cornerstone of stellar physics. Thanks to spectroscopic, helioseismic and neutrino flux observations, we can use the Sun as a laboratory of fundamental p…
A Virtual Acoustic Black Hole on a Cantilever Beam
Samuel Quaegebeur, Ghislain Raze, Li Cheng +1
An acoustic black hole (ABH) consists of a tapered structure whose thickness follows a power-law profile. When attached to a host structure, an ABH localizes and traps the vibratio…