Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Wigley, P. B."'
Autor:
Ben-Aïcha, Yosri, Mehdi, Zain, Freier, Christian, Szigeti, Stuart S., Wigley, Paul B., Conlon, Lorcán O., Husband, Ryan, Legge, Samuel, Eagle, Rhys H., Hope, Joseph J., Robins, Nicholas P., Close, John D., Hardman, Kyle S., Haine, Simon A., Thomas, Ryan J.
We demonstrate an atom interferometer measurement protocol compatible with operation on a dynamic platform. Our method employs two open interferometers, derived from the same atomic source, with different interrogation times to eliminate initial velo
Externí odkaz:
http://arxiv.org/abs/2405.00400
Autor:
Perumbil, Manju, Hardman, Kyle S, Wigley, Paul B, Close, John D, Robins, Nicholas P, Szigeti, Stuart S
Publikováno v:
Scientific Reports volume 10, Article number: 15052 (2020)
We numerically demonstrate atomic Fabry-Perot resonances for a pulsed interacting Bose-Einstein condensate (BEC) source transmitting through double Gaussian barriers. These resonances are observable for an experimentally-feasible parameter choice, wh
Externí odkaz:
http://arxiv.org/abs/2001.05206
Autor:
Wigley, P. B., Hardman, K. S., Freier, C., Everitt, P. J., Legge, S., Manju, P., Close, J. D., Robins, N. P.
Publikováno v:
Phys. Rev. A 99, 023615 (2019)
A method for mitigating the readout delay characteristic of Bragg-based atom interferometry is presented, utilizing an asymmetric Mach-Zehnder interferometer sequence to generate spatial fringes that are read out while still overlapped. The time of f
Externí odkaz:
http://arxiv.org/abs/1812.09076
Autor:
Manju, P., Hardman, K. S., Sooriyabandara, M. A., Wigley, P. B., Close, J. D., Robins, N. P., Hush, M. R., Szigeti, S. S.
Publikováno v:
Phys. Rev. A 98, 053629 (2018)
The transmission of an interacting Bose-Einstein condensate incident on a repulsive Gaussian barrier is investigated through numerical simulation. The dynamics associated with interatomic interactions are studied across a broad parameter range not pr
Externí odkaz:
http://arxiv.org/abs/1808.07196
Autor:
Everitt, P. J., Sooriyabandara, M. A., Guasoni, M., Wigley, P. B., Wei, C. H., McDonald, G. D., Hardman, K. S., Manju, P., Close, J. D., Kuhn, C. C. N., Szigeti, S. S., Kivshar, Y. S., Robins, N. P.
Publikováno v:
Phys. Rev. A 96, 041601 (2017)
We observe the breakup dynamics of an elongated cloud of condensed $^{85}$Rb atoms placed in an optical waveguide. The number of localized spatial components observed in the breakup is compared with the number of solitons predicted by a plane-wave st
Externí odkaz:
http://arxiv.org/abs/1703.07502
Autor:
Hardman, Kyle S., Everitt, Patrick J., McDonald, Gordon D., Manju, Perumbil, Wigley, Paul B., Sooriyabadara, Mahasen A., Kuhn, Carlos C. N., Debs, John E., Close, John D., Robins, Nicholas P.
Publikováno v:
Phys. Rev. Lett. 117, 138501 (2016)
A Bose-Einstein condensate is used as an atomic source for a high precision sensor. A $5\times 10^6$ atom F=1 spinor condensate of $^{87}$Rb is released into free fall for up to $750$ms and probed with a Mach-Zehnder atom interferometer based on Brag
Externí odkaz:
http://arxiv.org/abs/1603.01967
Autor:
Wigley, Paul B., Everitt, Patrick J., Hardman, Kyle S., Hush, Michael R., Wei, Chunhua, Sooriyabandara, Mahasen A., Perumbil, Manju, Close, John D., Robins, Nicholas P., Kuhn, Carlos C. N.
An imaging system is presented that is capable of far-detuned non-destructive imaging of a Bose-Einstein condensate with the signal proportional to the second spatial derivative of the density. Whilst demonstrated with application to $^{85}\text{Rb}$
Externí odkaz:
http://arxiv.org/abs/1601.04425
Autor:
Wigley, P. B., Everitt, P. J., Hengel, A. van den, Bastian, J. W., Sooriyabandara, M. A., McDonald, G. D., Hardman, K. S., Quinlivan, C. D., Manju, P., Kuhn, C. C. N., Petersen, I. R., Luiten, A., Hope, J. J., Robins, N. P., Hush, M. R.
Machine-designed control of complex devices or experiments can discover strategies superior to those developed via simplified models. We describe an online optimization algorithm based on Gaussian processes and apply it to optimization of the product
Externí odkaz:
http://arxiv.org/abs/1507.04964
Autor:
Wigley, P. B., Starkey, L. M., Szigeti, S. S., Jasperse, M., Hope, J. J., Turner, L. D., Anderson, R. P.
Publikováno v:
Phys. Rev. A 96, 013612 (2017)
Controlling quantum fluids at their fundamental length scale will yield superlative quantum simulators, precision sensors, and spintronic devices. This scale is typically below the optical diffraction limit, precluding precise wavefunction engineerin
Externí odkaz:
http://arxiv.org/abs/1412.6854
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