Zobrazeno 1 - 10
of 216
pro vyhledávání: '"Burnett, Keith"'
Publikováno v:
Proc. R. Soc. A 474, 20180037 (2018)
The role of proton tunneling in biological catalysis is investigated here within the frameworks of quantum information theory and thermodynamics. We consider the quantum correlations generated through two hydrogen bonds between a substrate and a prot
Externí odkaz:
http://arxiv.org/abs/1703.00789
Autor:
Douglas, James S., Burnett, Keith
Publikováno v:
J. Phys. B: At. Mol. Opt. Phys. 46 205301 (2013)
Scattering probe particles from a quantum system can provide experimental access to information about the system's state. However, measurement backaction and momentum transfer during scattering changes the state of the system, potentially destroying
Externí odkaz:
http://arxiv.org/abs/1301.4580
Akademický článek
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Autor:
Douglas, James S., Burnett, Keith
Publikováno v:
Phys. Rev. A 86, 052120 (2012)
We describe how quasiclassical relative positions of particles emerge in an initially delocalized quantum system as scattering of a probe beam is observed. We show that in the multiparticle case this localization in position space occurs via intermed
Externí odkaz:
http://arxiv.org/abs/1211.3167
Autor:
Douglas, James S., Burnett, Keith
Publikováno v:
Phys. Rev. A 84, 053608 (2011)
We examine off-resonant light scattering from ultracold atoms in the quantum Hall regime. When the light scattering is spin dependent, we show that images formed in the far field can be used to distinguish states of the system. The spatial dependence
Externí odkaz:
http://arxiv.org/abs/1109.0493
Autor:
Douglas, James S., Burnett, Keith
We study the emergence of localization and entanglement in many-body systems as a result of scattering measurements. We show that consecutive scattering measurements on a many-body system can produce superposition states in position space. The result
Externí odkaz:
http://arxiv.org/abs/1109.0041
Autor:
Douglas, James S., Burnett, Keith
Publikováno v:
Phys. Rev. A 84, 033637 (2011)
We study light scattering from atoms in optical lattices at finite temperature. We examine the light scattered by fermions in the noninteracting regime and by bosons in the superfluid and Mott insulating regimes. We extend previous theoretical studie
Externí odkaz:
http://arxiv.org/abs/1105.5383
Publikováno v:
Phys. Rev. A 84, 053604 (2011)
In a recent paper [Phys. Rev. A 82, 063623 (2010)] Hallwood et al. argued that it is feasible to create large superposition states with strongly interacting bosons in rotating rings. Here we investigate in detail how the superposition states in rotat
Externí odkaz:
http://arxiv.org/abs/1011.3444
Autor:
Douglas, James, Burnett, Keith
Publikováno v:
Phys. Rev. A 82, 033434 (2010)
We investigate imaging of the spatial spin distribution of atoms in optical lattices using non-resonant light scattering. We demonstrate how scattering spatially correlated light from the atoms can result in spin state images with enhanced spatial re
Externí odkaz:
http://arxiv.org/abs/1007.1899
Publikováno v:
Proc. R. Soc. A (2010) 466, 1247-1263
We review some recent developments in the theory of rotating atomic gases. These studies have thrown light on the process of nucleation of vortices in regimes where mean-field methods are inadequate. In our review we shall describe and compare quantu
Externí odkaz:
http://arxiv.org/abs/0911.4487