Abstract: We present experimental evidence of the successful closed-loop optimization of the dynamics of cold atoms in an optical lattice. We optimize the loading of an ultracold atomic gas minimizing the excitations in an array of one-dimensional (1D) tubes (3D-1D crossover) and we perform an optimal crossing of the quantum phase-transition from a superfluid to a Mott insulator in a 3D lattice. In both cases we enhance the experiment performances with respect to those obtained via adiabatic dynamics, effectively speeding up the process by more than a factor three while improving the quality of the desired transformation.
Fast closed-loop optimal control of ultracold atoms in an optical lattice / Sara Rosi; Alain Bernard; Nicole Fabbri; Leonardo Fallani; Chiara Fort; Massimo Inguscio; Tommaso Calarco; Simone Montangero. - In: PHYSICAL REVIEW A. - ISSN 1050-2947. - STAMPA. - 88:(2013), pp. 021601-1-021601-5. [10.1103/PhysRevA.88.021601]
Fast closed-loop optimal control of ultracold atoms in an optical lattice
ROSI, SARA;FABBRI, NICOLE;FALLANI, LEONARDO;FORT, CHIARA;INGUSCIO, MASSIMO;
2013
Abstract
Abstract: We present experimental evidence of the successful closed-loop optimization of the dynamics of cold atoms in an optical lattice. We optimize the loading of an ultracold atomic gas minimizing the excitations in an array of one-dimensional (1D) tubes (3D-1D crossover) and we perform an optimal crossing of the quantum phase-transition from a superfluid to a Mott insulator in a 3D lattice. In both cases we enhance the experiment performances with respect to those obtained via adiabatic dynamics, effectively speeding up the process by more than a factor three while improving the quality of the desired transformation.File | Dimensione | Formato | |
---|---|---|---|
PhysRevA.88.021601.pdf
accesso aperto
Descrizione: Articolo principale
Tipologia:
Pdf editoriale (Version of record)
Licenza:
Tutti i diritti riservati
Dimensione
380.04 kB
Formato
Adobe PDF
|
380.04 kB | Adobe PDF |
I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.