Zobrazeno 1 - 10
of 146
pro vyhledávání: '"Dutta, O"'
Publikováno v:
Annalen der Physik 529, 1600262 (2017)
We investigate the spectral properties of a quasi-one-dimensional lattice in two possible dimerisation configurations. Both configurations are characterized by the same lattice topology and the identical spectra containing a flat band at zero energy.
Externí odkaz:
http://arxiv.org/abs/1609.06292
Publikováno v:
New J. Phys. 16 052002 (2014)
A system of interacting dipoles is of paramount importance for understanding of many-body physics. The interaction between dipoles is {\it anisotropic} and {\it long-range}. While the former allows to observe rich effects due to different geometries
Externí odkaz:
http://arxiv.org/abs/1310.7757
Publikováno v:
Nature Communications 4, 2046 (2013)
Engineering strong p-wave interactions between fermions is one of the challenges in modern quantum physics. Such interactions are responsible for a plethora of fascinating quantum phenomena such as topological quantum liquids and exotic superconducto
Externí odkaz:
http://arxiv.org/abs/1302.0757
Materials with non-trivial lattice geometries allow for the creation of exotic states of matter like topologically insulating states. Therefore searching for such materials is an important aspect of current research in solid-state physics. In the fie
Externí odkaz:
http://arxiv.org/abs/1301.4156
We study a system of polar dipolar fermions in a two-dimensional optical lattice and show that multi-band Fermi-Hubbard model is necessary to discuss such system. By taking into account both on-site, and long-range interactions between different band
Externí odkaz:
http://arxiv.org/abs/1202.4158
Autor:
Dutta, O., Lewenstein, M.
We examine two dimensional mixture of single-component fermions and dipolar bosons. We calculate the self-enregies of the fermions in the normal state and the Cooper pair channel by including first order vertex correction to derive a modified Eliashb
Externí odkaz:
http://arxiv.org/abs/1003.0329
Autor:
Dutta, O., Lewenstein, M.
Pairing between fermions that attract each other, reveal itself to the macroscopic world in the form of superfluidity. Since the discovery of fermionic superfluidity, intense search has been going on to find various unconventional forms of fermion pa
Externí odkaz:
http://arxiv.org/abs/0906.2115
We study a dipolar boson-fermion mixture in a pancake geometry at absolute zero temperature, generalizing our previous work on the stability of polar condensates and the formation of a density-wave state in cylindrical traps. After examining the depe
Externí odkaz:
http://arxiv.org/abs/0805.3870
We investigate the coupling of a nanomechanical oscillator in the quantum regime with molecular (electric) dipoles. We find theoretically that the cantilever can produce single-mode squeezing of the center-of-mass motion of an isolated trapped molecu
Externí odkaz:
http://arxiv.org/abs/0805.3735
Autor:
Dutta, O., Meystre, P.
We study the Hartree ground state of a dipolar condensate of atoms or molecules in an three-dimensional anisotropic geometry and at T=0. We determine the stability of the condensate as a function of the aspect ratios of the trap frequencies and of th
Externí odkaz:
http://arxiv.org/abs/cond-mat/0703044