English
Related papers

Related papers: Coherent light transport in a cold Strontium cloud

200 papers

We demonstrate the coherent optical bichromatic force on a molecule, the polar free radical strontium monohydroxide (SrOH). A dual-frequency retro-reflected laser beam addressing the $\tilde{X}^2\Sigma^+\leftrightarrow\tilde{A}^2\Pi_{1/2}$…

Atomic Physics · Physics 2018-02-14 Ivan Kozyryev , Louis Baum , Leland Aldridge , Phelan Yu , Edward E. Eyler , John M. Doyle

We study transport of local magnetization in a Heisenberg spin-1/2 chain at zero temperature. The system is initially prepared in a highly excited pure state far from equilibrium and its evolution is analyzed via exact diagonalization.…

Statistical Mechanics · Physics 2015-05-13 L. F. Santos

We present the emergence of coherent two-photon backscattering, a manifestation of weak localization, in multiple scattering of maximally entangled pure and fully mixed two-photon states and examine the effect of entanglement and classical…

Quantum Physics · Physics 2024-01-25 Nooshin M. Estakhri , Theodore B. Norris

In the last years, the ability of cold atoms experiments to explore condensed- matter related questions has dramatically progressed. Transport experiments, in particular, have expanded to the point that conductances and other transport…

Quantum Gases · Physics 2017-09-13 Sebastian Krinner , Tilman Esslinger , Jean-Philippe Brantut

We evaluate the scattering functions of a gas of spin-polarized, non-interacting fermions confined in a quasi-onedimensional harmonic trap at zero temperature. The main focus is on the inelastic scattering spectrum and on the angular…

Statistical Mechanics · Physics 2009-11-07 Patrizia Vignolo , Anna Minguzzi , M. P. Tosi

We report the effect of air exposure on the electronic properties of pentacene single crystals. Air can diffuse reversibly in and out of the crystals and controls the physical properties. We discern two competing mechanisms that modulate…

Materials Science · Physics 2009-11-11 Oana D. Jurchescu , Jacob Baas , Thomas T. M. Palstra

We study coherent backscattering of a monochromatic laser by a dilute gas of cold two-level atoms in the weakly nonlinear regime. The nonlinear response of the atoms results in a modification of both the average field propagation (nonlinear…

Quantum Physics · Physics 2009-11-11 Thomas Wellens , Benoit Gremaud , Dominique Delande , Christian Miniatura

The conductance in an extended multiband Hubbard model describing linear arrays of up to ten quantum dots is calculated via a Lanczos technique. A pronounced suppression of certain resonant conductance peaks in an applied magnetic field due…

Condensed Matter · Physics 2008-02-03 C. A. Stafford , S. Das Sarma

We measure the scalar, vector and tensor components of the differential dynamic polarizability of the strontium intercombination transition at 1064 nm. We compare the experimental values with the theoretical prediction based on the most…

Atomic Physics · Physics 2024-11-18 Romaric Journet , Félix Faisant , Sanghyeop Lee , Marc Cheneau

We present numerical evidence for the occurrence of coherent backscattering in the Fock space of a small disordered Bose-Hubbard system consisting of four sites and containing five particles. This many-body interference phenomenon can most…

Quantum Gases · Physics 2017-08-02 Peter Schlagheck , Julien Dujardin

We study the transverse self-structuring of a cloud of cold atoms with effective atomic interactions mediated by a coherent driving beam retro-reflected by means of a single mirror. The resulting self-structuring due to optomechanical…

Quantum Gases · Physics 2021-05-26 Giuseppe Baio , Gordon R. M. Robb , Alison M. Yao , Gian-Luca Oppo , Thorsten Ackemann

We explore the effect of a (non) magnetic impurity on the thermal transport of the spin-1/2 Heisenberg chain model. This unique system allows to probe Kondo-type phenomena in a prototype strongly correlated system. Using numerical…

Strongly Correlated Electrons · Physics 2010-06-08 A. Metavitsiadis , X. Zotos , O. S. Barišić , P. Prelovšek

We demonstrate the excitation, using a structured light beam carrying orbital angular momentum, of the center of mass motion of a single atom in the transverse direction to the beam's propagation. This interaction is achieved with a vortex…

Long-range and fast transport of coherent excitons is important for development of high-speed excitonic circuits and quantum computing applications. However, most of these coherent excitons have only been observed in some low-dimensional…

The brilliant white appearance of ultrathin scattering media with low refractive index contrast and the underlying radiative transport phenomena fascinate scientists for more than a decade. Examples of such systems are the scales of beetles…

Optics · Physics 2022-03-04 Ruben Pompe , Dominic Meiers , Walter Pfeiffer , Georg von Freymann

Efficient cooling of trapped charged particles is essential to many fundamental physics experiments, to high-precision metrology, and to quantum technology. Until now, sympathetic cooling has required close-range Coulomb interactions, but…

We have characterized phase coherence length, spin orbit scattering length, and the Hall factor in n-type MoS2 2D crystals via weak localization measurements and Hall-effect measurements. Weak localization measurements reveal a phase…

Mesoscale and Nanoscale Physics · Physics 2013-08-06 Adam T. Neal , Han Liu , Jiangjiang Gu , Peide D. Ye

The phonon thermal transport properties of eight ternary intermetallic semiconductors are investigated by accounting for higher-order four-phonon scattering, phonon renormalization, and multi-channel thermal transport. The commonly used…

Materials Science · Physics 2022-08-17 Ankit Jain

We demonstrate the enhancement and optimization of a cold strontium atomic beam from a two-dimensional magneto-optical trap (2D-MOT) transversely loaded from a collimated atomic beam by adding a sideband frequency to the cooling laser. The…

Atomic Physics · Physics 2020-01-10 Matteo Barbiero , Marco G. Tarallo , Davide Calonico , Filippo Levi , G. Lamporesi , G. Ferrari

The impact of coherent light propagation on the excitation and fluorescence of thorium nuclei in a crystal lattice environment is investigated theoretically. We find that in the forward direction the fluorescence signal exhibits…

Atomic Physics · Physics 2013-01-08 Wen-Te Liao , Sumanta Das , Christoph H. Keitel , Adriana Pálffy
‹ Prev 1 3 4 5 6 7 10 Next ›