Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Benoît. Grémaud"'
Publikováno v:
Physical Review A. 92
We consider a two-dimensional homogeneous ensemble of cold bosonic atoms loaded inside two optical cavities and pumped by a far-detuned external laser field. We examine the conditions for these atoms to self-organize into triangular and honeycomb lat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc5ade952499bd4579d12ad521387b08
https://doi.org/10.1103/physreva.92.043810
https://doi.org/10.1103/physreva.92.043810
We consider soft-core bosons with onsite interaction loaded in the honeycomb lattice with different site energies for the two sublattices. Using both a mean-field approach and quantum Monte-Carlo simulations, we show that the topology of the honeycom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1919e3640a69fd4e5fe9ed9737932c19
http://arxiv.org/abs/1506.03964
http://arxiv.org/abs/1506.03964
The irradiation of a dilute cloud of cold atoms with a coherent light field produces a random intensity distribution known as laser speckle. Its statistical fluctuations contain information about the mesoscopic scattering processes at work inside the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24ddf4746cf3d61740f857ea08f330a2
Publikováno v:
Physical Review A. 90
We propose to generate an artificial non-Abelian $U(3)$ gauge field by using a 2-tripod scheme, namely two tripod configurations sharing a common ground state level and driven by resonant 1-photon transitions. Using an appropriate combination of four
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e382f79839cb3cba203c80c23b571ce
https://doi.org/10.1103/physreva.90.023601
https://doi.org/10.1103/physreva.90.023601
Publikováno v:
Physical Review A. 89
We consider Dirac quasi-particles, as realized with cold atoms loaded in a honeycomb lattice or in a $\pi$-flux square lattice, in the presence of a weak correlated disorder such that the disorder fluctuations do not couple the two Dirac points of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5db0d67f437bd71d2c175b02af5c807
https://doi.org/10.1103/physreva.89.043622
https://doi.org/10.1103/physreva.89.043622
We study the phase diagram of the one-dimensional bosonic Hubbard model with contact ($U$) and near neighbor ($V$) interactions focusing on the gapped Haldane insulating (HI) phase which is characterized by an exotic nonlocal order parameter. The par
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6b621083f98830441459faa9dce134a6
Autor:
Jiří Minář, Benoît. Grémaud
We study the interacting Fermi-Hubbard model in two spatial dimensions with synthetic gauge coupling of the spin orbit Rashba type, at half-filling. Using real space mean field theory, we numerically determine the phase as a function of the interacti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4dbc2875d73cd9fa0a2fc617ec52580c
http://arxiv.org/abs/1306.3124
http://arxiv.org/abs/1306.3124