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Reflectivity and transmissivity of a cavity coupled to two-level systems: Coherence properties and the influence of phase decay

Wed, 2013-04-03 10:15 - Mattia Giardini
Date: 
2012-01-30
Author(s): 

Brian Julsgaard and Klaus Mølmer

Reference: 

URL: http://link.aps.org/doi/10.1103/PhysRevA.85.013844
DOI: 10.1103/PhysRevA.85.013844
PACS: 42.50.Pq, 37.30.+i, 42.50.Ar, 42.50.Nn

We consider 

Reflectivity and transmissivity of a cavity coupled to two-level systems: Coherence properties and the influence of phase decay

Wed, 2013-04-03 10:15 - Mattia Giardini
Date: 
2011-10-17
Author(s): 

Brian Julsgaard and Klaus Mølmer,

Reference: 

arXiv:1110.3610v1

We consider 

Sympathetic Wigner function tomography of a dark trapped ion

Wed, 2013-04-03 10:08 - Mattia Giardini
Date: 
2011-10-21
Author(s): 

Safoura Sadat Mirkhalaf and Klaus Mølmer

Reference: 

arXiv:1110.4804v1

A protocol is provided to reconstruct the Wigner function for the motional state of a trapped ion via fluorescence detection on another ion in the same trap.

Sympathetic Wigner function tomography of a dark trapped ion

Wed, 2013-04-03 10:08 - Mattia Giardini
Date: 
2012-04-12
Author(s): 

Safoura Sadat Mirkhalaf and Klaus Mølmer

Reference: 

URL: http://link.aps.org/doi/10.1103/PhysRevA.85.042109
DOI: 10.1103/PhysRevA.85.042109
PACS: 03.65.Wj, 42.50.Dv

A protocol is provided to reconstruct the Wigner function for the motional state of a trapped ion via fluorescence detection on another ion in the same trap.

Correlated Photon Emission from Multiatom Rydberg Dark States

Wed, 2013-04-03 10:02 - Mattia Giardini
Date: 
2012-01-24
Author(s): 

J. D. Pritchard, C. S. Adams, K. Mølmer,

Reference: 

URL: http://link.aps.org/doi/10.1103/PhysRevLett.108.043601
DOI: 10.1103/PhysRevLett.108.043601
PACS: 42.50.Ar, 03.65.Yz, 32.80.Rm, 42.50.Gy

We consider three-level atoms driven by two resonant light fields in a ladder scheme where the upper level is a highly excited Rydberg state.

Control of inhomogeneous atomic ensembles of hyperfine qudits

Wed, 2013-04-03 09:56 - Mattia Giardini
Date: 
2012-02-03
Author(s): 

Brian E. Mischuck, Seth T. Merkel, and Ivan H. Deutsch

Reference: 

URL: http://link.aps.org/doi/10.1103/PhysRevA.85.022302
DOI: 10.1103/PhysRevA.85.022302
PACS: 03.67.Lx, 42.50.Dv, 32.80.Qk

We study the ability to control d-dimensional quantum systems (qudits) encoded in the hyperfine spin of alkali-metal atoms through the application of radio- and microwave-frequency magnetic fields in the presence of inhomogeneities in amplitude and detuning. Such a capability is essential to the design of robust pulses that mitigate the effects of experimental uncertainty and also for application to tomographic addressing of particular members of an extended ensemble. We study the problem of preparing an arbitrary state in the Hilbert space from an initial fiducial state.

Orbital order of spinless fermions near an optical Feshbach resonance

Tue, 2013-04-02 14:35 - Mattia Giardini
Date: 
2011-11-21
Author(s): 

P. Hauke, E. Zhao, K. Goyal, I. H. Deutsch, W. V. Liu, M. Lewenstein

Reference: 

URL: http://link.aps.org/doi/10.1103/PhysRevA.84.051603
DOI: 10.1103/PhysRevA.84.051603
PACS: 03.75.Ss, 05.30.Fk, 67.85.-d, 71.10.Fd

We study the quantum phases of a three-color Hubbard model that arises in the dynamics of the 

Dipolar Molecules in Optical Lattices

Tue, 2013-04-02 12:24 - Mattia Giardini
Date: 
2012-03-13
Author(s): 

T. Sowiński, O. Dutta, P. Hauke, L. Tagliacozzo, M. Lewenstein

Reference: 

URL: http://link.aps.org/doi/10.1103/PhysRevLett.108.115301
DOI: 10.1103/PhysRevLett.108.115301
PACS: 67.85.Hj, 37.10.Jk

We study the extended Bose-Hubbard model describing an ultracold gas of dipolar molecules in an optical lattice, taking into account all on-site and nearest-neighbor interactions, including occupatio

Can One Trust Quantum Simulators?

Tue, 2013-04-02 12:10 - Mattia Giardini
Date: 
2012-07-24
Author(s): 

P. Hauke, F. M. Cucchietti, L. Tagliacozzo, M. Lewenstein, I. Deutsch

Reference: 

doi:10.1088/0034-4885/75/8/082401

URL: 

http://iopscience.iop.org/0034-4885/75/8/082401/

Various quantum phenomena like high-Tc superconductivity or quark confinement are still awaiting universally accepted explanations, because of the computational complexity of solving simplified theoretical models designed to capture their relevant physics. Feynman suggested solving such models by "quantum simulation" with a device designed to obey the same quantum many-body dynamics. So far, the community has mostly focused on developing the \emph{controllability} of quantum simulators.

Tunable dipolar resonances and Einstein-de Haas effect in a Rb-87 atoms condensate

Tue, 2013-04-02 12:02 - Mattia Giardini
Date: 
2011-06-14
Author(s): 

T. Swisłocki, T. Sowiński, J. Pietraszewicz, M. Brewczyk, M. Lewenstein, J. Zakrzewski, M. Gajda

Reference: 

URL: http://link.aps.org/doi/10.1103/PhysRevA.83.063617
DOI: 10.1103/PhysRevA.83.063617
PACS: 03.75.Mn, 05.30.Jp, 75.45.+j

We theoretically study a spinor condensate of 

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