20052024
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Research Output 2005 2019

2019

Evolution of large-scale flow from turbulence in a two-dimensional superfluid

Johnstone, S. P., Groszek, A. J., Starkey, P. T., Billington, C. J., Simula, T. P. & Helmerson, K., 28 Jun 2019, In : Science. 364, 6447, p. 1267-1271 5 p.

Research output: Contribution to journalArticleResearchpeer-review

2018

Motion of vortices in inhomogeneous Bose-Einstein condensates

Groszek, A. J., Paganin, D. M., Helmerson, K. & Simula, T. P., 12 Feb 2018, In : Physical Review A. 97, 2, 12 p., 023617.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File

Vortex Thermometry for Turbulent Two-Dimensional Fluids

Groszek, A. J., Davis, M. J., Paganin, D. M., Helmerson, K. & Simula, T. P., 19 Jan 2018, In : Physical Review Letters. 120, 3, 5 p., 034504.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
2017

High efficiency, low cost holographic optical elements for ultracold atom trapping

Tempone-Wiltshire, S., Johnstone, S. & Helmerson, K., 9 Jan 2017, In : Optics Express. 25, 1, p. 296-304 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
2016

Onsager vortex formation in Bose-Einstein condensates in two-dimensional power-law traps

Groszek, A., Simula, T., Paganin, D. & Helmerson, K., 13 Apr 2016, In : Physical Review A. 93, 4, 9 p., 043614.

Research output: Contribution to journalArticleResearchpeer-review

Optical vortex knots - one photon at a time

Tempone-Wiltshire, S. J., Johnstone, S. P. & Helmerson, K., 18 Apr 2016, In : Scientific Reports. 6, 6 p., 24463.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
2015

High efficiency holographic optical traps for cold atoms

Tempone-Wiltshire, S., Johnstone, S., Starkey, P. & Helmerson, K., 2015, Proceedings of Frontiers in Optics 2015, FIO 2015: San Jose, California United States; 18–22 October 2015. Washington DC USA: Optical Society of America (OSA), 2 p. FTh1C.7

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

2014

Condensed-matter physics: History matters for a stirred superfluid

Davis, M. J. & Helmerson, K. P., 2014, In : Nature. 506, 7487, p. 166 - 167 2 p.

Research output: Contribution to journalLetterOther

Emergence of order from turbulence in an isolated planar superfluid

Simula, T. P., Davis, M. J. & Helmerson, K. P., 2014, In : Physical Review Letters. 113, 16, 5 p., 165302.

Research output: Contribution to journalArticleResearchpeer-review

File
2013

A scripted control system for autonomous hardware-timed experiments

Starkey, P. T., Billington, C. J., Johnstone, S. P., Jasperse, M., Helmerson, K. P., Turner, L. D. & Anderson, R. P., 2013, In : Review of Scientific Instruments. 84, 8, p. 1 - 10 10 p.

Research output: Contribution to journalArticleResearchpeer-review

On-demand picoliter-scale droplet generation using surface acoustic waves

Collins, D. J., Alan, T., Helmerson, K. & Neild, A., 2013, 17th International Conference on Miniaturized Systems for Chemistry and Life Sciences, (MicroTAS 2013): Freiburg, Germany; 27-31 October 2013. Chemical and Biological Microsystems Society, Vol. 3. p. 1604-1606 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearch

Surface acoustic waves for on-demand production of picoliter droplets and particle encapsulation

Collins, D. J., Alan, T., Helmerson, K. P. & Neild, A., 2013, In : Lab on a Chip. 13, 16, p. 3225 - 3231 7 p.

Research output: Contribution to journalArticleResearchpeer-review

2012

Partial-transfer absorption imaging: a versatile technique for optimal imaging of ultracold gases

Ramanathan, A., Muniz, S. R., Wright, K. C., Anderson, R. P., Phillips, W. D., Helmerson, K. P. & Campbell, G. K., 2012, In : Review of Scientific Instruments. 83, 8, p. 1 - 9 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Tunable optical tweezers for wavelength-dependent measurements

Hester, B., Campbell, G. K., Lopez-Mariscal, C., Filgueira, C. L., Huschka, R., Halas, N. J. & Helmerson, K. P., 2012, In : Review of Scientific Instruments. 83, 4, p. 1 - 8 8 p.

Research output: Contribution to journalArticleResearchpeer-review

2011

Rotating atoms with light

Helmerson, K. & Phillips, W. D., 2011, Twisted Photons: Applications of Light with Orbital Angular Momentum. Torres, J. & Torner, L. (eds.). 1 ed. Germany: Wiley-VCH Verlag GmbH & Co. KGaA, p. 213 - 235 23 p.

Research output: Chapter in Book/Report/Conference proceedingChapter (Book)Researchpeer-review

Superflow in a toroidal bose-einstein condensate: An atom circuit with a tunable weak link

Ramanathan, A., Wright, K., Muniz, S., Zelan, M., Hill, W., Lobb, C., Helmerson, K., Phillips, W. D. & Campbell, G., 2011, In : Physical Review Letters. 106, 13, p. 1 - 4 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Temperature measurements of optically trapped gold nanoshells

Hester, B. C., Campbell, G. K., Helmerson, K., Huschka, R. & Halas, N. J., 2011, Optical Trapping Applications, OTA 2011. Optical Society of America (OSA), 1 p. OTMA4

Research output: Chapter in Book/Report/Conference proceedingConference PaperOther

2010

Detection of heteroplasmic mitochondrial DNA in single mitochondria

Reiner, J., Kishore, R., Levin, B., Albanetti, T., Boire, N., Knipe, A., Helmerson, K. & Deckman, K., 2010, In : PLoS ONE. 5, 12, p. e14359-1 - e14359-9 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Shaped nondiffracting beams

Lopez-Mariscal, C. & Helmerson, K. P., 2010, In : Optics Letters. 35, 8, p. 1215 - 1217 3 p.

Research output: Contribution to journalArticleResearchpeer-review

2009

Finite temperature correction to the Thomas-Fermi approximation for a Bose-Einstein condensate: comparison between theory and experiment

Caracanhas, M. A., Seman, J. A., Ramos, E. R. F., Henn, E. A. L., Magalhaes, K. M. F., Helmerson, K. P. & Bagnato, V. S., 2009, In : Journal of Physics B: Atomic, Molecular and Optical Physics. 42, p. 145304-1 - 145304-8 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Generation and mixing of subfemtoliter aqueous droplets on demand

Tang, J., Jofre, A., Kishore, R., Reiner, J., Greene, M., Lowman, G., Denker, J., Willis, C., Helmerson, K. & Goldner, L., 2009, In : Analytical Chemistry. 81, 19, p. 8041 - 8047 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Observation of a 2D bose gas: From thermal to quasicondensate to superfluid

Clade, P., Ryu, C., Ramanathan, A., Helmerson, K. P. & Phillips, W. D., 2009, In : Physical Review Letters. 102, p. 170401-1 - 170401-4 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Optical manipulation of hydrosomes

López-Mariscal, C. & Helmerson, K., 2009, Frontiers in Optics, FiO 2009. Optical Society of America (OSA)

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Optical trapping of hydrosomes

Lòpez-Mariscal, C. & Helmerson, K., 2009, Optical Trapping and Optical Micromanipulation VI. Vol. 7400. 740026

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Optical tweezing near and far from resonance

Hester, B., Kishore, R. B., Helmerson, K., Levin, C. & Halas, N. J., 2009, Frontiers in Optics, FiO 2009. Optical Society of America (OSA)

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

Optical tweezing red-shifted from resonance

Hester, B., Kishore, R. B., Helmerson, K., Levin, C. & Halas, N. J., 2009, Optical Trapping Applications, OTA 2009.

Research output: Chapter in Book/Report/Conference proceedingConference PaperResearchpeer-review

2008

Antimicrobial photodynamic action on dentin using a light-emitting diode light source

Giusti, J., Santos-Pinto, L., Pizzolito, A., Helmerson, K., Carvalho-Filho, E., Kurachi, C. & Bagnato, V., 2008, In : Photomedicine and Laser Surgery. 26, 4, p. 281 - 287 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Condensed-matter physics: Surviving the transition

Helmerson, K., 2008, In : Nature. 455, 7215, p. 880 - 881 2 p.

Research output: Contribution to journalArticleResearchpeer-review

Generation of nonground-state Bose-Einstein condensates by modulating atomic interactions

Ramos, E. R. F., Henn, E., Seman, J., Caracanhas, M., Magalhaes, K., Helmerson, K., Yukalov, V. & Bagnato, V., 2008, In : Physical Review A. 78, 6, p. 063412-1 - 063412-6 6 p.

Research output: Contribution to journalArticleResearchpeer-review

Green fluorescent protein in inertially injected aqueous nanodroplets

Tang, J., Jofre, A., Lowman, G., Kishore, R., Reiner, J., Helmerson, K., Goldner, L. & Greene, M., 2008, In : Langmuir: the ACS journal of surfaces and colloids. 24, 9, p. 4975 - 4978 4 p.

Research output: Contribution to journalArticleResearchpeer-review

2007

Amphiphilic block copolymer nanotubes and vesicles stabilized by photopolymerization

Jofre, A., Hutchison, J., Kishore, R., Locascio, L. & Helmerson, K., 2007, In : Journal of Physical Chemistry B. 111, 19, p. 5162 - 5166 5 p.

Research output: Contribution to journalArticleResearchpeer-review

Cooling, trapping and manipulation of atoms and Bose-Einstein condensates: Applications to metrology

Helmerson, K. & Phillips, W. D., 2007, In : Rivista del Nuovo Cimento della Societa Italiana di Fisica. 31, 3, p. 141 - 186 46 p.

Research output: Contribution to journalArticleResearchpeer-review

Generating persistent currents states of atoms using orbital angular momentum of photons

Helmerson, K., Andersen, M., Ryu, C., Clade, P., Natarajan, V., Vaziri, A. & Phillips, W. D., 2007, In : Nuclear Physics A. 790, 1-4, p. 705 - 712 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Observation of persistent flow of a Bose-Einstein condensate in a toroidal trap

Ryu, C., Andersen, M., Clade, P., Natarajan, V., Helmerson, K. & Phillips, W. D., 2007, In : Physical Review Letters. 99, 26, p. 260401-1 - 260401-4 4 p.

Research output: Contribution to journalArticleResearchpeer-review

2006

High-order quantum resonances observed in a periodically kicked bose-Einstein condensate

Ryu, C., Andersen, M., Vaziri, A., d'Arcy, M., Grossman, J., Helmerson, K. & Phillips, W. D., 2006, In : Physical Review Letters. 96, 16, p. 160403-1 - 160403-4 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Optically trapped aqueous droplets for single molecule studies

Reiner, J., Crawford, A., Kishore, R., Goldner, L., Helmerson, K. & Gilson, M., 2006, In : Applied Physics Letters. 89, 1, p. 013904-1 - 013904-3 3 p.

Research output: Contribution to journalArticleResearchpeer-review

Quantized rotation of atoms from photons with orbital angular momentum

Andersen, M., Ryu, C., Clade, P., Natarajan, V., Vaziri, A., Helmerson, K. & Phillips, W. D., 2006, In : Physical Review Letters. 97, 17, p. 170406-1 - 170406-4 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Stable and robust polymer nanotubes stretched from polymersomes

Reiner, J., Wells, J., Kishore, R., Pfefferkorn, C. & Helmerson, K., 2006, In : Proceedings of the National Academy of Sciences. 103, 5, p. 1173 - 1177 5 p.

Research output: Contribution to journalArticleResearchpeer-review

2005

Directed growth of pure phosphatidylcholine nanotubes in microfluidic channels

Brazhnik, K., Vreeland, W., Hutchison, J., Kishore, R., Wells, J., Helmerson, K. & Locascio, L., 2005, In : Langmuir: the ACS journal of surfaces and colloids. 21, 23, p. 10814 - 10817 4 p.

Research output: Contribution to journalArticleResearchpeer-review

Laser cooling and trapping of neutral atoms to ultralow temperatures

Helmerson, K., 2005, Frontiers of Optical Spectroscopy. di Bartolo, B. & Forte, O. (eds.). 168 ed. Dordrecht Netherlands: Kluwer Academic Publishers, p. 427 - 495 69 p.

Research output: Chapter in Book/Report/Conference proceedingChapter (Book)Researchpeer-review

Transport of atoms in a quantum conveyor belt

Browaeys, A., Haffner, H., McKenzie, C., Rolston, S., Helmerson, K. & Phillips, W. D., 2005, In : Physical Review A. 72, 5, p. 053605-1 - 053605-10 10 p.

Research output: Contribution to journalArticleResearchpeer-review