Flat bands, strange metals and the Kondo effect

JG Checkelsky, BA Bernevig, P Coleman, Q Si… - Nature Reviews …, 2024 - nature.com
Flat-band materials such as the kagome metals or moiré superlattices are of intense current
interest. Flat bands can result from the electron motion on numerous (special) lattices and …

Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments

K Kechedzhi, SV Isakov, S Mandrà, B Villalonga… - Future Generation …, 2024 - Elsevier
Today's experimental noisy quantum processors can compete with and surpass all known
algorithms on state-of-the-art supercomputers for the computational benchmark task of …

Controlling two-dimensional Coulomb crystals of more than 100 ions in a monolithic radio-frequency trap

D Kiesenhofer, H Hainzer, A Zhdanov, PC Holz… - PRX Quantum, 2023 - APS
Linear strings of trapped atomic ions held in radio-frequency (rf) traps constitute one of the
leading platforms for quantum simulation experiments, allowing the investigation of …

Realization of an extremely anisotropic Heisenberg magnet in Rydberg atom arrays

K Kim, F Yang, K Mølmer, J Ahn - Physical Review X, 2024 - APS
Strong mutual interaction which correlates elementary excitations of quantum matter plays a
key role in a range of emergent phenomena, from binding and condensation to quantum …

Temporal entanglement in chaotic quantum circuits

A Foligno, T Zhou, B Bertini - Physical Review X, 2023 - APS
The concept of space evolution (or space-time duality) has emerged as a promising
approach for studying quantum dynamics. The basic idea involves exchanging the roles of …

Observation of magnon bound states in the long-range, anisotropic heisenberg model

F Kranzl, S Birnkammer, MK Joshi, A Bastianello… - Physical Review X, 2023 - APS
Over the recent years, coherent, time-periodic modulation has been established as a
versatile tool for realizing novel Hamiltonians. Using this approach, known as Floquet …

Exact quench dynamics of the Floquet quantum East model at the deterministic point

B Bertini, C De Fazio, JP Garrahan, K Klobas - Physical Review Letters, 2024 - APS
We study the nonequilibrium dynamics of the Floquet quantum East model (a Trotterized
version of the kinetically constrained quantum East spin chain) at its “deterministic point,” …

Quantum Information Spreading in Generalized Dual-Unitary Circuits

A Foligno, P Kos, B Bertini - Physical Review Letters, 2024 - APS
We study the spreading of quantum information in a recently introduced family of brickwork
quantum circuits that generalizes the dual-unitary class. These circuits are unitary in time …

Stable quantum-correlated many-body states through engineered dissipation

X Mi, AA Michailidis, S Shabani, KC Miao, PV Klimov… - Science, 2024 - science.org
Engineered dissipative reservoirs have the potential to steer many-body quantum systems
toward correlated steady states useful for quantum simulation of high-temperature …

Dynamics of magnetization at infinite temperature in a Heisenberg spin chain

E Rosenberg, TI Andersen, R Samajdar, A Petukhov… - Science, 2024 - science.org
Understanding universal aspects of quantum dynamics is an unresolved problem in
statistical mechanics. In particular, the spin dynamics of the one-dimensional Heisenberg …