Zobrazeno 1 - 10
of 525
pro vyhledávání: '"Gardiner, Simon A."'
Initial value problems -- a system of ordinary differential equations and corresponding initial conditions -- can be used to describe many physical phenomena including those arise in classical mechanics. We have developed a novel approach to solve ph
Externí odkaz:
http://arxiv.org/abs/2407.18320
Bright solitons in atomic Bose--Einstein condensates are strong candidates for high precision matter-wave interferometry, as their inherent stability against dispersion supports long interrogation times. An analog to a beam splitter is then a narrow
Externí odkaz:
http://arxiv.org/abs/2104.11511
Publikováno v:
Phys. Rev. A 104, 013719 (2021)
We investigate the collective scattering of coherent light from a thermal alkali-metal vapor with temperatures ranging from 350 to 450 K, corresponding to average atomic spacings between $0.7 \lambda$ and $0.1 \lambda$. We develop a theoretical model
Externí odkaz:
http://arxiv.org/abs/2103.06600
Autor:
nyffeler, max
Publikováno v:
Neue Zeitschrift für Musik (1991-), 2003 Jul 01. 164(4), 64-65.
Externí odkaz:
https://www.jstor.org/stable/23990516
Akademický článek
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Publikováno v:
Phys. Rev. A 101, 043623 (2020)
We consider the interaction of two-component bright-bright solitons with a narrow potential barrier (splitter) in the framework of a system of two Gross-Pitaevskii (nonlinear-Schr\"{o}dinger) equations modeling a binary Bose-Einstein condensate, with
Externí odkaz:
http://arxiv.org/abs/1911.02940
Publikováno v:
New J. Phys. 22 013050 (2020)
We explore the influence of contact interactions on a synthetically spin-orbit coupled system of two ultracold trapped atoms. Even though the system we consider is bosonic, we show that a regime exists in which the competition between the contact and
Externí odkaz:
http://arxiv.org/abs/1910.02399
Publikováno v:
Communications Physics 3, 141 (2020)
We identify significant quantum many-body effects, robust to position fluctuations and strong dipole--dipole interactions, in the forward light scattering from planar arrays and uniform-density disks of cold atoms, by comparing stochastic electrodyna
Externí odkaz:
http://arxiv.org/abs/1907.07030
Autor:
Wales, Oliver J., Rakonjac, Ana, Billam, Thomas P., Helm, John L., Gardiner, Simon A., Cornish, Simon L.
Solitons are long-lived wavepackets that propagate without dispersion and exist in a wide range of one-dimensional (1D) nonlinear systems. A Bose-Einstein condensate trapped in a quasi-1D waveguide can support bright-solitary-matter waves (3D analogu
Externí odkaz:
http://arxiv.org/abs/1906.06083
Publikováno v:
Phys. Rev. A 100, 063629 (2019)
We propose a new approach to characterizing the depths of optical lattices, in which an atomic gas is given a finite initial momentum, which leads to high amplitude oscillations in the zeroth diffraction order which are robust to finite-temperature e
Externí odkaz:
http://arxiv.org/abs/1903.04011