[PDF] Top 20 The role of interactions in atom interferometry with Bose Condensed atoms

... A variety of techniques have been employed in this work, numerous combinations of which can be envisioned for future study. Perhaps the most obvious of these is the incorporation of tunable-interaction 85 Rb condensates ... See full document

... coherent atoms is not comparable to thermal beam machines (mainly due to the lower flux), there are promising ways to utilise the potential of Bose-condensed sources for atom ...of ... See full document

... because, atoms stick to surfaces, are only weakly affected by electric fields, and do not propagate very far in solid crystals ...the atoms including laser pulses, standing waves of light, nanogratings and ... See full document

... the atoms on two independent paths along which the quantum mechanical phases of the atomic wavepackets independently evolve: At tt 1 , a first  /2 pulse acts as a beam splitter, preparing the atoms, ... See full document

... the interactions Interactions among neutral atoms are typically due, on the one hand, to Fermi pressure at short distances which prevents the nuclei to come too close to each other, and on the other, ... See full document

... The atom-chip gravimeter is operated in two different ...The interferometry in the Ąrst mode, which is kept on a basic level, is performed using Bose-Einstein condensates simply dropped from the ... See full document

... occupation-dependent atom tunneling after a quantum quench in the correlated many-body ...particle interactions by means of a Fesh- bach resonance and identify the subsequent delocalization processes as a ... See full document

... trapped Bose-condensed gas is based on the mean-field ap- proximation, which yields the Gross-Pitaevski equation for the macroscopic wave ...of atoms, plays the role of the mode function for ... See full document

... performing atom interferometry with this ...the atoms from a macro U-MOT to a P-trap, rotated the atoms 90 ◦ with the P-trap, and finally transfered the atoms to a Z-trap which formed ... See full document

... outcoupled atom cloud only is then reso- nantly imaged after a short ...of atoms from the trapped ...outcoupled atoms with the original condensate, excitation of collective oscillation modes and a ... See full document

... 1.1 Inertial Sensing With an Atom Interferometer. 2 1.1.2 Sensitivity of an Atom Interferometer to Linear Acceleration. 6 1.3 Research Questions Addressed in this Thesis.[r] ... See full document

... Atom diffraction by a standing laser wave in the Bragg regime.. Our atom interferometer.[r] ... See full document

... New atomic quantum devices can be developped with unprecedented sensitivity using ultracold atoms and atom optics. Applications: Fundamental physics, Earth science, Space research[r] ... See full document

... A MOT collects a large number of atoms at intermediate temperatures typically just below the Doppler limit. Upon removing the magnetic field used to create the trapping[r] ... See full document

... FIG. 1: Scheme of the laser setup, laser frequencies and energy levels involved. LCVR: Liquid Crystal Variable Retarder, AOM: Acousto-Optical Modulator, Op Isol: Optical Isolator, PhC: Photoconductor, TA: Tapered ... See full document

... Theories of dark energy that introduce new, light scalar fields coupled to matter have inspired the study of screening mechanisms to explain why the associated fifth forces have not yet been detected [1, 2]. Screening ... See full document

... an atom in high vacuum, where ρ B R B 2 can be small, compared with M φ bg ...and atom interferometry is easily able to detect ...the atom is determined by the nuclear density and radius, with ... See full document

... the atoms by second harmonic generation from fibre lasers in the telecom C-band 48,49 ...on atom chip sensors 46 , and, hence, a large potential for miniaturisation of the sensor ... See full document

... cold atom interferometer is being developed using 85 Rb atoms towards a search for the dark contents of the vacuum, and as a test stand for inertial sensing ... See full document

... based atom interferometry ...with atom interferometry experiments, and when the test particle is an atom, it is possible to use the associated interference pattern to place constraints ... See full document