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- A. Trombettoni, Augusto Smerzi
- Physical review letters
- 2001

We study the dynamical phase diagram of a dilute Bose-Einstein condensate (BEC) trapped in a periodic potential. The dynamics is governed by a discrete nonlinear SchrÃ¶dinger equation: intrinsicallyâ€¦ (More)

- Th Anker, Michael Albiez, +4 authors Markus K Oberthaler
- Physical review letters
- 2005

We report the first experimental observation of nonlinear self-trapping of Bose-condensed 87Rb atoms in a one-dimensional waveguide with a superimposed deep periodic potential . The trapping effectâ€¦ (More)

The dynamics of Bose-Einstein condensates trapped in a deep optical lattice is governed by a discrete nonlinear equation (DNL). Its degree of nonlinearity and the intersite hopping rates areâ€¦ (More)

- Raffaella Burioni, Davide Cassi, Pasquale Sodano, A. Trombettoni, Alessandro Vezzani
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2006

We show that, by inserting suitable finite networks at a site of a chain, it is possible to realize filters and high-pass/low-pass devices for solitons propagating along the chain. The results areâ€¦ (More)

In many physical applications solitons propagate on supports whose topological properties may induce new and interesting effects. In this paper, we investigate the propagation of solitons on chainsâ€¦ (More)

- Augusto Smerzi, A. Trombettoni
- Chaos
- 2003

The dynamics of a Bose-Einstein condensate trapped in a periodic potential is governed by a discrete nonlinear equation. The interplay/competition between discreteness (introduced by the lattice) andâ€¦ (More)

- Augusto Smerzi, A. Trombettoni, Panayotis G. Kevrekidis, A. R. Bishop
- Physical review letters
- 2002

We predict a dynamical classical superfluid-insulator transition in a Bose-Einstein condensate trapped in an optical and a magnetic potential. In the tight-binding limit, this system realizes anâ€¦ (More)

- A. Trombettoni, Augusto Smerzi, A. R. Bishop
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2003

We investigate the dynamical properties of the one-dimensional discrete nonlinear SchrÃ¶dinger equation (DNLS) with periodic boundary conditions and with an arbitrary distribution of on-site defects.â€¦ (More)

- MÃ¡rton Kormos, Giuseppe Mussardo, A. Trombettoni
- Physical review letters
- 2009

We present a novel method to compute expectation values in the Lieb-Liniger model both at zero and finite temperature. These quantities, relevant in the physics of one-dimensional ultracold Boseâ€¦ (More)

- Thangarasu Sriraman, Barnali Chakrabarti, A. Trombettoni, Paulsamy Muruganandam
- The Journal of chemical physics
- 2017

Calculation of the Shannon information entropy (S) and its connection with the order-disorder transition and with inter-particle interaction provide a challenging research area in the field ofâ€¦ (More)