Modulational instability in addition to discrete breathers in 2D quantum ultracold atoms loaded in optical lattices
Sign Up to like & getrecommendations! Published in 2019 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-019-05295-w
Abstract: The modulational instability associated with discrete breathers in 2D quantum ultracold atoms is studied by using the Glauber’s coherent state combined with a semi-discrete approximation and multiple-scale methods. The linear stability analysis exhibits an intriguing… read more here.
Keywords: quantum ultracold; discrete breathers; modulational instability; breathers quantum ... See more keywords
Bright solitons in ultracold atoms
Sign Up to like & getrecommendations! Published in 2017 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-017-1247-5
Abstract: We review old and recent experimental and theoretical results on bright solitons in Bose–Einstein condensates made of alkali-metal atoms and under external optical confinement. First we deduce the three-dimensional Gross–Pitaevskii equation (3D GPE) from the… read more here.
Keywords: gpe; ultracold atoms; bright solitons; solitons ultracold ... See more keywords
Exploration of doped quantum magnets with ultracold atoms
Sign Up to like & getrecommendations! Published in 2021 at "Annals of Physics"
DOI: 10.1016/j.aop.2021.168651
Abstract: In the last decade, quantum simulators, and in particular cold atoms in optical lattices, have emerged as a valuable tool to study strongly correlated quantum matter. These experiments are now reaching regimes that are numerically… read more here.
Keywords: magnets ultracold; exploration doped; quantum magnets; ultracold atoms ... See more keywords
Coupling ultracold atoms to a superconducting coplanar waveguide resonator
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-02439-7
Abstract: Ensembles of trapped atoms interacting with on-chip microwave resonators are considered as promising systems for the realization of quantum memories, novel quantum gates, and interfaces between the microwave and optical regime. Here, we demonstrate coupling… read more here.
Keywords: superconducting coplanar; resonator; atoms superconducting; ultracold atoms ... See more keywords
Quantum simulation of ultrafast dynamics using trapped ultracold atoms
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-04556-3
Abstract: Ultrafast electronic dynamics are typically studied using pulsed lasers. Here we demonstrate a complementary experimental approach: quantum simulation of ultrafast dynamics using trapped ultracold atoms. Counter-intuitively, this technique emulates some of the fastest processes in atomic… read more here.
Keywords: quantum simulation; simulation ultrafast; trapped ultracold; ultrafast dynamics ... See more keywords
Observation of parity-time symmetry breaking transitions in a dissipative Floquet system of ultracold atoms
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-08596-1
Abstract: Open physical systems with balanced loss and gain, described by non-Hermitian parity-time $$\left( {{\cal P}{\cal T}} \right)$$PT reflection symmetric Hamiltonians, exhibit a transition which could engender modes that exponentially decay or grow with time, and… read more here.
Keywords: parity time; cal cal; time; symmetry breaking ... See more keywords
Floquet approach to ℤ2 lattice gauge theories with ultracold atoms in optical lattices
Sign Up to like & getrecommendations! Published in 2019 at "Nature Physics"
DOI: 10.1038/s41567-019-0649-7
Abstract: Quantum simulation has the potential to investigate gauge theories in strongly-interacting regimes, which are up to now inaccessible through conventional numerical techniques. Here, we take a first step in this direction by implementing a Floquet-based… read more here.
Keywords: gauge; lattice gauge; floquet approach; ultracold atoms ... See more keywords
Competing magnetic orders in a bilayer Hubbard model with ultracold atoms
Sign Up to like & getrecommendations! Published in 2021 at "Nature"
DOI: 10.1038/s41586-020-03058-x
Abstract: Fermionic atoms in optical lattices have served as a useful model system in which to study and emulate the physics of strongly correlated matter. Driven by the advances of high-resolution microscopy, the current research focus… read more here.
Keywords: hubbard model; two dimensional; magnetic orders; model ... See more keywords
Manipulating the tunneling of ultracold atoms through a mazer cavity via vacuum-multiparticle interactions
Sign Up to like & getrecommendations! Published in 2017 at "Laser Physics Letters"
DOI: 10.1088/1612-202x/aa555d
Abstract: We study the tunneling and traversal time of ultracold two-level atoms through a high quality microwave cavity containing N − 1 ground state atoms. The phase time of tunneling may be considered as a measure… read more here.
Keywords: atoms mazer; tunneling ultracold; time; cavity ... See more keywords
Skyrmion-based magnetic traps for ultracold atoms
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.053428
Abstract: We show that the stray field generated by isolated magnetic skyrmions can be used to trap ultracold atoms. Specially, ring-shaped and double-well trapping potentials for ultracold atoms can be created by combining the field from… read more here.
Keywords: field; based magnetic; traps ultracold; skyrmion based ... See more keywords
Tunable spin-orbit coupling for ultracold atoms in two-dimensional optical lattices
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.063617
Abstract: Spin-orbit coupling (SOC) is at the heart of many exotic band structures and can give rise to many-body states with topological order. Here we present a general scheme based on a combination of microwave driving… read more here.
Keywords: two dimensional; orbit coupling; spin orbit; ultracold atoms ... See more keywords