The interband dynamics of a two-band Bose-Hubbard (BH) model is studied with strongly correlated bosons forming single-site double occupancies referred to as doublons. Our model for resonant doublon interband coupling exhibits interesting dynamical features such as quantum Zeno effect, the generation of states such as a two-band Bell-like state and an upper-band Mott-like state. The evolution of the asymptotic state is controlled here by the effective opening of one or both of the two bands, which models decay channels.
Occupation-constrained interband dynamics of a non-hermitian two-band bose-hubbard hamiltonian / Munoz-Arias, Manuel H.; Parra-Murillo, Carlos A; Madronero, Javier; Wimberger, Sandro. - In: FLUCTUATION AND NOISE LETTERS. - ISSN 0219-4775. - 16:3(2017), p. 1750023. [10.1142/S0219477517500237]
Occupation-constrained interband dynamics of a non-hermitian two-band bose-hubbard hamiltonian
Wimberger, Sandro
2017-01-01
Abstract
The interband dynamics of a two-band Bose-Hubbard (BH) model is studied with strongly correlated bosons forming single-site double occupancies referred to as doublons. Our model for resonant doublon interband coupling exhibits interesting dynamical features such as quantum Zeno effect, the generation of states such as a two-band Bell-like state and an upper-band Mott-like state. The evolution of the asymptotic state is controlled here by the effective opening of one or both of the two bands, which models decay channels.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.