Counterflow superfluidity in a two-component Mott insulator
Counterflow superfluidity is an anomalous quantum phase that was predicted two decades
ago in the context of a two-component Bose–Hubbard model. In this phase, although both …
ago in the context of a two-component Bose–Hubbard model. In this phase, although both …
Deterministic generation of arbitrary ultrasmall excitation of quantum systems by composite pulse sequences
In some applications of quantum control, it is necessary to produce very weak excitation of a
quantum system. Such an example is presented by the concept of single-photon generation …
quantum system. Such an example is presented by the concept of single-photon generation …
Tunable single-ion anisotropy in spin-1 models realized with ultracold atoms
Mott insulator plateaus in optical lattices are a versatile platform to study spin physics. Using
sites occupied by two bosons with an internal degree of freedom, we realize a uniaxial …
sites occupied by two bosons with an internal degree of freedom, we realize a uniaxial …
Fast generation of cat states in Kerr nonlinear resonators via optimal adiabatic control
JJ Xue, KH Yu, WX Liu, X Wang, HR Li - New Journal of Physics, 2022 - iopscience.iop.org
Macroscopic cat states have been widely studied to illustrate fundamental principles of
quantum physics as well as their applications in quantum information processing. In this …
quantum physics as well as their applications in quantum information processing. In this …
Thermodynamics and magnetism in the two-dimensional to three-dimensional crossover of the Hubbard model
The realization of antiferromagnetic (AF) correlations in ultracold fermionic atoms on an
optical lattice is a significant achievement. Experiments have been carried out in one, two …
optical lattice is a significant achievement. Experiments have been carried out in one, two …
Adiabatic control of decoherence-free subspaces in an open collective system
We propose a method to adiabatically control an atomic ensemble using a decoherence-
free subspace (DFS) within a dissipative cavity. We can engineer a specific eigenstate of the …
free subspace (DFS) within a dissipative cavity. We can engineer a specific eigenstate of the …
Heteronuclear rydberg molecules
We report the creation of heteronuclear ultralong-range Rydberg-molecule dimers by
excitation of minority Sr 88 atoms to 5 sns 3 S 1 Rydberg states (n= 31–39) in a dense …
excitation of minority Sr 88 atoms to 5 sns 3 S 1 Rydberg states (n= 31–39) in a dense …
Many-body spin rotation by adiabatic passage in spin-1/2 XXZ chains of ultracold atoms
Quantum many-body phases offer unique properties and emergent phenomena, making
them an active area of research. A promising approach for their experimental realization in …
them an active area of research. A promising approach for their experimental realization in …
Quantum annealing sampling with a bias field
T Grass - Physical Review Applied, 2022 - APS
The presence of a bias field, encoding some information about a target state, can enhance
the performance of quantum optimization methods. Here we investigate the effect of such a …
the performance of quantum optimization methods. Here we investigate the effect of such a …
Kinetic magnetism and stripe order in the doped AFM bosonic model
Unraveling the microscopic mechanisms governing the physics of doped quantum magnets
is a central challenge in strongly correlated many-body physics. Quantum simulation …
is a central challenge in strongly correlated many-body physics. Quantum simulation …