Direct visualization of relativistic quantum scars in graphene quantum dots
Quantum scars refer to eigenstates with enhanced probability density along unstable
classical periodic orbits. First predicted 40 years ago, scars are special eigenstates that …
classical periodic orbits. First predicted 40 years ago, scars are special eigenstates that …
Theory of robust quantum many-body scars in long-range interacting systems
Quantum many-body scars (QMBS) are exceptional energy eigenstates of quantum many-
body systems associated with violations of thermalization for special nonequilibrium initial …
body systems associated with violations of thermalization for special nonequilibrium initial …
Entanglement entropy of ()-dimensional SU(2) lattice gauge theory on plaquette chains
We study the entanglement entropy of Hamiltonian SU (2) lattice gauge theory in 2+ 1
dimensions on linear plaquette chains and show that the entanglement entropies of both …
dimensions on linear plaquette chains and show that the entanglement entropies of both …
Classical route to ergodicity and scarring in collective quantum systems
Ergodicity, a fundamental concept in statistical mechanics, is not yet a fully understood
phenomena for closed quantum systems, particularly its connection with the underlying …
phenomena for closed quantum systems, particularly its connection with the underlying …
Quantum many-body scars from unstable periodic orbits
Unstable periodic orbits (UPOs) play a key role in the theory of chaos, constituting the
“skeleton” of classical chaotic systems and “scarring” the eigenstates of the corresponding …
“skeleton” of classical chaotic systems and “scarring” the eigenstates of the corresponding …
Robust effective ground state in a nonintegrable Floquet quantum circuit
An external periodic (Floquet) drive is believed to bring any initial state to the featureless
infinite temperature state in generic nonintegrable isolated quantum many-body systems in …
infinite temperature state in generic nonintegrable isolated quantum many-body systems in …
Mixed eigenstates in the Dicke model: Statistics and power-law decay of the relative proportion in the semiclassical limit
Q Wang, M Robnik - Physical Review E, 2024 - APS
How the mixed eigenstates vary when approaching the semiclassical limit in mixed-type
many-body quantum systems is an interesting but still less known question. Here, we …
many-body quantum systems is an interesting but still less known question. Here, we …
Uncovering quantum many-body scars with quantum machine learning
Quantum many-body scars are rare eigenstates hidden within the chaotic spectra of many-
body systems, representing a weak violation of the eigenstate thermalization hypothesis …
body systems, representing a weak violation of the eigenstate thermalization hypothesis …
Periodic classical trajectories and quantum scars in many-spin systems
We numerically investigate the stability of exceptional periodic classical trajectories in rather
generic chaotic many-body systems and explore a possible connection between these …
generic chaotic many-body systems and explore a possible connection between these …
Semiclassical origin of suppressed quantum chaos in Rydberg chains
M Müller, R Mushkaev - arxiv preprint arxiv:2410.17223, 2024 - arxiv.org
The surprisingly long-lasting oscillations observed in the dynamics of highly excited states of
chains of Rydberg atoms defy the expectation that interacting systems should thermalize …
chains of Rydberg atoms defy the expectation that interacting systems should thermalize …