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Resultados globales: 5 registros encontrados en 0.02 segundos.
Artículos, Encontrados 5 registros
Artículos Encontrados 5 registros  
1.
16 p, 683.0 KB Mechanical effects of optical resonators on driven trapped atoms : ground-state cooling in a high-finesse cavity / Zippilli, Stefano (Universität Ulm. Abteilung für Quantenphysik) ; Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We investigate theoretically the mechanical effects of light on atoms trapped by an external potential, whose dipole transition couples to the mode of an optical resonator and is driven by a laser. We derive an analytical expression for the quantum center-of-mass dynamics, which is valid in presence of a tight external potential. [...]
2005 - 10.1103/PhysRevA.72.053408
Physical review. A, Vol. 72, Issue 5 (November 2005) , p. 053408-1-053408-16  
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2.
10 p, 336.2 KB Resonance fluorescence of a cold atom in a high-finesse resonator / Bienert, Marc (Universidad Nacional Autónoma de México. Instituto de Ciencias Físicas) ; Torres, Mauricio (Universidad Nacional Autónoma de México. Instituto de Ciencias Físicas) ; Zippilli, Stefano (Universitat Autònoma de Barcelona. Departament de Física) ; Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We study the spectra of emission of a system composed by an atom, tightly confined inside a high-finesse resonator, when the atom is driven by a laser and is at steady state of the cooling dynamics induced by laser and cavity fields. [...]
2007 - 10.1103/PhysRevA.76.013410
Physical review. A, Vol. 76, Issue 1 (July 2007) , p. 013410-1-013410-10  
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3.
10 p, 323.6 KB Non linear optics with two trapped atoms / Fernández-Vidal, Sònia, 1978- (Universitat Autònoma de Barcelona. Departament de Física) ; Zippilli, Stefano (Universitat Autònoma de Barcelona. Departament de Física) ; Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We show theoretically that two atomic dipoles in a resonator constitute a nonlinear medium, whose properties can be controlled through the relative position of the atoms inside the cavity and the detuning and intensity of the driving laser. [...]
2007 - 10.1103/PhysRevA.76.053829
Physical review. A, Vol. 76, Issue 5 (November 2007) , p. 053829-1-053829-10  
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4.
4 p, 562.1 KB Suppression of Bragg scattering by collective interference of spatially ordered atoms with a high-Q cavity mode / Zippilli, Stefano (Universität Ulm. Abteilung für Quantenphysik) ; Morigi, Giovanna (Universität Ulm. Abteilung für Quantenphysik) ; Ritsch, Helmut (Universität Innsbruck. Institut für Theoretische Physik) ; American Physical Society
When N driven atoms emit in phase into a high-Q cavity mode, the intracavity field generated by collective scattering interferes destructively with the pump driving the atoms. Hence atomic fluorescence is suppressed and cavity loss becomes the dominant decay channel for the whole ensemble. [...]
2004 - 10.1103/PhysRevLett.93.123002
Physical review letters, Vol. 93, Issue 12 (September 2004) , p. 123002  
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5.
4 p, 909.0 KB Cooling trapped atoms in optical resonators / Zippilli, Stefano (Universität Ulm. Abteilung für Quantenphysik) ; Morigi, Giovanna (Universitat Autònoma de Barcelona. Departament de Física) ; American Physical Society
We derive an equation for the cooling dynamics of the quantum motion of an atom trapped by an external potential inside an optical resonator. This equation has broad validity and allows us to identify novel regimes where the motion can be efficiently cooled to the potential ground state. [...]
2005 - 10.1103/PhysRevLett.95.143001
Physical review letters, Vol. 95, Issue 14 (September 2005) , p. 143001  
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