Topological bands for ultracold atoms

NR Cooper, J Dalibard, IB Spielman - Reviews of modern physics, 2019‏ - APS
There have been significant recent advances in realizing band structures with geometrical
and topological features in experiments on cold atomic gases. This review summarizes …

[HTML][HTML] Roadmap on Atomtronics: State of the art and perspective

L Amico, M Boshier, G Birkl, A Minguzzi… - AVS Quantum …, 2021‏ - pubs.aip.org
Atomtronics deals with matter-wave circuits of ultracold atoms manipulated through
magnetic or laser-generated guides with different shapes and intensities. In this way, new …

Resolving the gravitational redshift across a millimetre-scale atomic sample

T Bothwell, CJ Kennedy, A Aeppli, D Kedar… - Nature, 2022‏ - nature.com
Einstein's theory of general relativity states that clocks at different gravitational potentials tick
at different rates relative to lab coordinates—an effect known as the gravitational redshift. As …

Direct comparison of two spin-squeezed optical clock ensembles at the 10−17 level

JM Robinson, M Miklos, YM Tso, CJ Kennedy… - Nature Physics, 2024‏ - nature.com
Building scalable quantum systems that demonstrate performance enhancement based on
entanglement is a major goal in quantum computing and metrology. The main challenge …

One-and two-axis squeezing via laser coupling in an atomic Fermi-Hubbard model

T Hernández Yanes, M Płodzień… - Physical Review Letters, 2022‏ - APS
Generation, storage, and utilization of correlated many-body quantum states are crucial
objectives of future quantum technologies and metrology. Such states can be generated by …

Hamiltonian engineering of spin-orbit–coupled fermions in a Wannier-Stark optical lattice clock

A Aeppli, A Chu, T Bothwell, CJ Kennedy, D Kedar… - Science …, 2022‏ - science.org
Engineering a Hamiltonian system with tunable interactions provides opportunities to
optimize performance for quantum sensing and explore emerging phenomena of many …

Observation of a transition between dynamical phases in a quantum degenerate Fermi gas

S Smale, P He, BA Olsen, KG Jackson, H Sharum… - Science …, 2019‏ - science.org
A proposed paradigm for out-of-equilibrium quantum systems is that an analog of quantum
phase transitions exists between parameter regimes of qualitatively distinct time-dependent …

Shattered time: can a dissipative time crystal survive many-body correlations?

K Tucker, B Zhu, RJ Lewis-Swan, J Marino… - New Journal of …, 2018‏ - iopscience.iop.org
We investigate the emergence of a time crystal (TC) in a driven dissipative many-body spin
array. In this system the interplay between incoherent spin pum** and collective emission …

Nonlinear dynamics in a synthetic momentum-state lattice

FA An, B Sundar, J Hou, XW Luo, EJ Meier, C Zhang… - Physical review …, 2021‏ - APS
The scope of analog simulation in atomic, molecular, and optical systems has expanded
greatly over the past decades. Recently, the idea of synthetic dimensions—in which …

Spin squeezing in open Heisenberg spin chains

T Hernández Yanes, G Žlabys, M Płodzień, D Burba… - Physical Review B, 2023‏ - APS
Spin squeezing protocols successfully generate entangled many-body quantum states, the
key pillars of the second quantum revolution. In our recent work [Phys. Rev. Lett. 129 …