English
Related papers

Related papers: Entanglement-based 3D magnetic gradiometry with an…

200 papers

We propose using spontaneous Raman scattering from an optically driven Bose-Einstein condensate as a source of atom-photon pairs whose internal states are maximally entangled. Generating entanglement between a particle which is easily…

Quantum Physics · Physics 2009-11-06 M. G. Moore , P. Meystre

We investigate the scattering halos resulting from collisions between discrete momentum components in the time-of-flight expansion of interaction-tunable $^6\rm Li_2$ molecular Bose-Einstein condensates. A key highlight of this study is the…

Quantum Gases · Physics 2025-04-22 Yuying Chen , Zhengxi Zhang , Chi-Kin Lai , Yun Liang , Hongmian Shui , Haixiang Fu , Fansu Wei , Xiaoji Zhou

Due to their coherence properties, dilute atomic gas Bose-Einstein condensates seem a versatile platform for controlled creation of mesoscopically entangled states with a large number of particles and also allow controlled studies of their…

Quantum Gases · Physics 2020-12-30 Abhijit Pendse , Shruti Shirol , Shivakant Tiwari , Sebastian Wüster

We theoretically study the superradiant gain and the direction of this coherent radiant for an array of Bose-Einstein condensates in an optical lattice. We find that the density grating is formed to amplify the scattering light within the…

Quantum Physics · Physics 2009-11-13 Xu Xu , Xiaoji Zhou , Xuzong Chen

We investigate numerically simulated collisions between experimentally realistic Bose-Einstein condensate wavepackets, within a regime where highly populated scattering haloes are formed. The theoretical basis for this work is the truncated…

Other Condensed Matter · Physics 2009-11-11 A. A. Norrie , R. J. Ballagh , C. W. Gardiner

We show that it is possible to entangle three different many-particle states by Bragg spectroscopy with nonclassical light in a Bose condensate of weakly interacting atomic gases. Among these three states, two are of atoms corresponding to…

Quantum Physics · Physics 2009-11-07 B. Deb , G. S. Agarwal

We experimentally investigate the mix-dimensional scattering occurring when the collisional partners live in different dimensions. We employ a binary mixture of ultracold atoms and exploit a species-selective 1D optical lattice to confine…

Quantum Gases · Physics 2010-04-16 G. Lamporesi , J. Catani , G. Barontini , Y. Nishida , M. Inguscio , F. Minardi

We describe a new implementation of magnetic collider for investigating cold collisions between ultracold atomic clouds in different spin states, and we use this to investigate scattering involving both even and odd order partial waves. Our…

Other Condensed Matter · Physics 2007-05-23 Angela S. Mellish , Niels Kjaergaard , Paul S. Julienne , Andrew C. Wilson

Modern quantum technologies in the fields of quantum computing, quantum simulation and quantum metrology require the creation and control of large ensembles of entangled particles. In ultracold ensembles of neutral atoms, highly entangled…

We perform a theoretical analysis of atomic four-wave mixing via a collision of two Bose-Einstein condensates of metastable helium atoms, and compare the results to a recent experiment. We calculate atom-atom pair correlations within the…

We propose a method to detect the microwave magnetic-field gradient by using a pair of entangled two-component Bose-Einstein condensates. We consider the two spatially separated condensates to be coupled to the two different magnetic…

Quantum Physics · Physics 2013-04-17 H. T. Ng

Cold atomic clouds and Bose-Einstein condensates have been stored in a 10cm diameter vertically-oriented magnetic ring. An azimuthal magnetic field enables low-loss propagation of atomic clouds over a total distance of 2m, with a heating…

Other Condensed Matter · Physics 2007-05-23 A. S. Arnold , C. S. Garvie , E. Riis

We show how the entanglement contained in states of spins arranged on a lattice may be quantified with observables arising in scattering experiments. We focus on the partial differential cross-section obtained in neutron scattering from…

Strongly Correlated Electrons · Physics 2014-03-26 O. Marty , M. Epping , H. Kampermann , D. Bruß , M. B. Plenio , M. Cramer

A three-dimensional (3D) MHD model is applied to simulate the evolution of a large-scale magnetic field in a barred galaxy possessing a gaseous halo extending to about 2.8 kpc above the galactic plane. As the model input we use a…

Astrophysics · Physics 2009-11-07 K. Otmianowska-Mazur , D. Elstner , M. Soida , M. Urbanik

Quantum effects, such as entanglement, Einstein-Podolsky-Rosen steering, and Bell correlations, can enhance metrological sensitivity beyond the standard quantum limit. These correlations are typically generated through interactions between…

Quantum Physics · Physics 2025-07-16 Danish Ali Hamza , Jan Chwedeńczuk

The polarization of radiation by scattering on an atom embedded in combined external quadrupole electric and uniform magnetic fields is studied theoretically. Limiting cases of scattering under Zeeman effect and Hanle effect in weak…

Astrophysics · Physics 2015-06-24 Yee Yee Oo , M. Sampoorna , K. N. Nagendra , Sharath Ananthamurthy , G. Ramachandran

We have analytically explored the quantum phenomenon of particle scattering by harmonically trapped Bose and Fermi gases with the short ranged (Fermi-Huang $\delta^3_p$ [1]) interactions among the incident particle and the scatterers. We…

Quantum Physics · Physics 2018-03-20 Ankita Bhattacharya , Samir Das , Shyamal Biswas

If dark matter is composed of massive bosons, a Bose-Einstein Condensation process must have occurred during the cosmological evolution. Therefore galactic dark matter may be in a form of a condensate, characterized by a strong…

General Relativity and Quantum Cosmology · Physics 2018-07-24 Xiaoyue Zhang , Man Ho Chan , Tiberiu Harko , Shi-Dong Liang , Chun Sing Leung

We propose an experiment for entangling two spatially separated Bose-Einstein condensates by Bragg scattering of light. When Bragg scattering in two condensates is stimulated by a common probe, the resulting quasiparticles in the two…

Quantum Physics · Physics 2009-11-07 B. Deb , G. S. Agarwal

We consider the collision of two Bose Einstein condensates at supersonic velocities and focus on the halo of scattered atoms. This halo is the most important feature for experiments and is also an excellent testing ground for various…

Quantum Gases · Physics 2012-01-04 P. Deuar , P. Ziń , J. Chwedeńczuk , M. Trippenbach
‹ Prev 1 2 3 10 Next ›