Experimental observation of a generalized Gibbs ensemble

T Langen, S Erne, R Geiger, B Rauer, T Schweigler… - Science, 2015 - science.org
The description of the non-equilibrium dynamics of isolated quantum many-body systems
within the framework of statistical mechanics is a fundamental open question. Conventional …

[HTML][HTML] Efficient tomography of a quantum many-body system

BP Lanyon, C Maier, M Holzäpfel, T Baumgratz… - Nature Physics, 2017 - nature.com
Quantum state tomography is the standard technique for estimating the quantum state of
small systems. But its application to larger systems soon becomes impractical as the …

Fifteen years of cold matter on the atom chip: promise, realizations, and prospects

M Keil, O Amit, S Zhou, D Groswasser… - Journal of modern …, 2016 - Taylor & Francis
Here we review the field of atom chips in the context of Bose–Einstein Condensates (BEC)
as well as cold matter in general. Twenty years after the first realization of the BEC and 15 …

[HTML][HTML] Experimental quantum compressed sensing for a seven-qubit system

CA Riofrio, D Gross, ST Flammia, T Monz… - Nature …, 2017 - nature.com
Well-controlled quantum devices with their increasing system size face a new roadblock
hindering further development of quantum technologies. The effort of quantum tomography …

Randomized benchmarking for individual quantum gates

E Onorati, AH Werner, J Eisert - Physical review letters, 2019 - APS
Any technology requires precise benchmarking of its components, and the quantum
technologies are no exception. Randomized benchmarking allows for the relatively resource …

Fidelity witnesses for fermionic quantum simulations

M Gluza, M Kliesch, J Eisert, L Aolita - Physical review letters, 2018 - APS
The experimental interest and developments in quantum spin-1/2 chains has increased
uninterruptedly over the past decade. In many instances, the target quantum simulation …

Experimentally exploring compressed sensing quantum tomography

A Steffens, CA Riofrío, W McCutcheon… - Quantum Science …, 2017 - iopscience.iop.org
In the light of the progress in quantum technologies, the task of verifying the correct
functioning of processes and obtaining accurate tomographic information about quantum …

Scalable quantum tomography with fidelity estimation

J Wang, ZY Han, SB Wang, Z Li, LZ Mu, H Fan, L Wang - Physical Review A, 2020 - APS
We propose a quantum tomography scheme for pure qudit systems which adopts a certain
version of random basis measurements and a generative learning method, along with a built …

Work and entropy production in generalised Gibbs ensembles

M Perarnau-Llobet, A Riera, R Gallego… - New Journal of …, 2016 - iopscience.iop.org
Recent years have seen an enormously revived interest in the study of thermodynamic
notions in the quantum regime. This applies both to the study of notions of work extraction in …

[HTML][HTML] Signatures of spin-liquid state in a 3D frustrated lattice compound KSrFe2 (PO4) 3 with S= 5/2

K Boya, K Nam, K Kargeti, A Jain, R Kumar, SK Panda… - APL Materials, 2022 - pubs.aip.org
A quantum spin-liquid is a spin disordered state of matter in which spins are strongly
correlated and highly entangled with low-energy excitations. It has been often found in two …