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Akademický článek
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Akademický článek
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Publikováno v:
Phys. Rev. A 88, 043436 (2013)
The dynamics of excitons in a one-dimensional ensemble with partial spatial order are studied. During optical excitation, cold Rydberg atoms spontaneously organize into regular spatial arrangements due to their mutual interactions. This emergent latt
Externí odkaz:
http://arxiv.org/abs/1306.0869
Publikováno v:
Phys. Rev. A 89, 021404 (2014)
We consider a dense one-dimensional laser-driven Rydberg lattice gas with perfect nearest-neighbor blockade. The ground state of this system can be found analytically in certain parameter regimes even when the applied fields are inhomogeneous in spac
Externí odkaz:
http://arxiv.org/abs/1304.5182
Publikováno v:
Phys. Rev. Lett. 110, 213005 (2013)
The laser-excitation of Rydberg atoms in ultracold gases is often described assuming that the atomic motion is frozen during the excitation time. We show that this frozen gas approximation can break down for atoms that are held in optical lattices or
Externí odkaz:
http://arxiv.org/abs/1303.3212
Publikováno v:
Phys. Rev. Lett. 110, 213003 (2013)
We present a fast and Quasideterministic protocol for the production of single ions and electrons from a cloud of laser cooled atoms. The approach is based on a two-step process where first a single Rydberg atom is photo-excited from a dipole-blockad
Externí odkaz:
http://arxiv.org/abs/1302.6502
Publikováno v:
J. Stat. Mech. (2013) P02005
We study the out-of-equilibrium evolution of a strongly interacting quantum spin chain which is mapped on a system of hard rods that are coherently deposited on and removed from a lattice. We show that this closed quantum system approaches an equilib
Externí odkaz:
http://arxiv.org/abs/1210.7633
Publikováno v:
Phys. Rev. Lett. 109, 233003 (2012)
We show that in a gas of ultra cold atoms distance selective two-body loss can be engineered via the resonant laser excitation of atom pairs to interacting electronic states. In an optical lattice this leads to a dissipative Master equation dynamics
Externí odkaz:
http://arxiv.org/abs/1207.6291
Autor:
Ates, C., Lesanovsky, I.
Publikováno v:
Phys. Rev. A 86, 013408 (2012)
In a laser-driven Rydberg gas the strong interaction between atoms excited to Rydberg states results in the formation of collective excitations. Atoms within a so-called blockade volume share a single Rydberg excitation, which is dynamically created
Externí odkaz:
http://arxiv.org/abs/1202.2012