Academic literature on the topic 'Cold atom traps'

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Journal articles on the topic "Cold atom traps"

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Härter, A., and J. Hecker Denschlag. "Cold atom–ion experiments in hybrid traps." Contemporary Physics 55, no. 1 (2014): 33–45. http://dx.doi.org/10.1080/00107514.2013.854618.

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Cherry, O., J. D. Carter, and J. D. D. Martin. "An atom chip for the manipulation of ultracold atoms." Canadian Journal of Physics 87, no. 6 (2009): 633–38. http://dx.doi.org/10.1139/p09-043.

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We have fabricated an atom chip that magnetically traps laser cooled 87Rb by generating high magnetic-field gradients using micrometre scale current-carrying wires. The wires are fabricated on a Si wafer (with a 40 nm SiO2 layer) using 1.2 μm thick Au and a 20 nm thick adhesion layer, and are patterned with lift-off photolithography. We characterize the number and temperature of the cold atoms trapped by the chip.
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Dimova, E., O. Morizot, G. Stern, et al. "Continuous transfer and laser guiding between two cold atom traps." European Physical Journal D 42, no. 2 (2007): 299–308. http://dx.doi.org/10.1140/epjd/e2007-00022-0.

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DE OLIVEIRA, M. C., and B. R. DA CUNHA. "COLLISION-DEPENDENT ATOM TUNNELING RATE — BOSE–EINSTEIN CONDENSATES IN DOUBLE AND MULTIPLE WELL TRAPS." International Journal of Modern Physics B 23, no. 32 (2009): 5867–80. http://dx.doi.org/10.1142/s0217979209054818.

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The overlap of localized wave functions in a two-mode approximation leads to interaction (cross-collision) between ultra-cold atoms trapped in distinct sites of a double-well potential. We show that this interaction can significantly change the atom tunneling rate for special trap configurations resulting in an effective linear Rabi regime of population oscillation between the trap wells. In this sense, we demonstrate that cross-collisional effects can significantly extend the validity of the two-mode model approach allowing it to be alternatively employed to explain the recently observed incr
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Jian-Ping, Yin, Gao Wei-Jian, and Hu Jian-Jun. "Arrays of microscopic magnetic traps for cold atoms and their applications in atom optics." Chinese Physics 11, no. 5 (2002): 472–80. http://dx.doi.org/10.1088/1009-1963/11/5/312.

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Timmermans, Eddy. "Progress and Prospects of Fermi Gas Physics in Cold Atom Traps." Physica Scripta 110 (2004): 302. http://dx.doi.org/10.1238/physica.topical.110a00302.

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Al-Amri, M., and M. Babiker. "Atomic reflection off conductor walls as a tool in cold atom traps." European Physical Journal D 48, no. 3 (2008): 417–21. http://dx.doi.org/10.1140/epjd/e2008-00116-1.

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Yurovsky, V. A., and A. Ben-Reuven. "Incomplete optical shielding in cold atom traps: three-dimensional Landau-Zener theory." Physical Review A 55, no. 5 (1997): 3772–79. http://dx.doi.org/10.1103/physreva.55.3772.

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Zhou, Feng, Xiao Li, Min Ke, Jin Wang, and Ming-Sheng Zhan. "Microwave coherent manipulation of cold atoms in optically induced fictitious magnetic traps on an atom chip." Chinese Physics B 26, no. 9 (2017): 090701. http://dx.doi.org/10.1088/1674-1056/26/9/090701.

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Niranjan, M., Anand Prakash, and S. A. Rangwala. "Analysis of Multipolar Linear Paul Traps for Ion–Atom Ultracold Collision Experiments." Atoms 9, no. 3 (2021): 38. http://dx.doi.org/10.3390/atoms9030038.

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We evaluate the performance of multipole, linear Paul traps for the purpose of studying cold ion–atom collisions. A combination of numerical simulations and analysis based on the virial theorem is used to draw conclusions on the differences that result, by considering the trapping details of several multipole trap types. Starting with an analysis of how a low energy collision takes place between a fully compensated, ultracold trapped ion and an stationary atom, we show that a higher order multipole trap is, in principle, advantageous in terms of collisional heating. The virial analysis of mult
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Dissertations / Theses on the topic "Cold atom traps"

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Burrows, Kathryn Alice. "Non-adiabatic losses from radio frequency dressed cold atom traps." Thesis, University of Sussex, 2016. http://sro.sussex.ac.uk/id/eprint/61380/.

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Cold atom traps are a promising tool for investigating and manipulating atomic behaviour. Radio frequency (RF) dressed cold atom traps allow high versatility of trapping potentials, which is important for potential applications, particularly in atom interferometry. This thesis investigates non-adiabatic spin flip transitions which can lead to losses of atoms from RF-dressed cold atom traps. We develop two models for the adiabatic potentials associated with RF-dressed traps, for the cases in which gravity does and doesn't have a significant effect. Within these two models we use first order per
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Cooper, Catherine J. "Laser cooling and trapping of atoms." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308685.

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Bruce, Graham D. "Alternative techniques for the production and manipulation of ultracold atoms." Thesis, University of St Andrews, 2012. http://hdl.handle.net/10023/2617.

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This Thesis contains details of the construction and characterisation of a compact apparatus for the cooling of ultracold atoms to quantum degeneracy, and their manipulation in flexible holographic optical traps. We have designed and built two iterations of this apparatus. The first version consists of a stainless steel single-cell vacuum chamber, in which we confine ⁸⁷Rb and ⁶Li or ⁷Li in a Magneto-Optical Trap. We characterise the alternative methods of pulsed atomic dispenser and Light Induced Atomic Desorption (LIAD) to rapidly vary the background pressure in the vacuum chamber with the vi
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Hu, Zhen Kimble H. Jeff Kimble H. Jeff. "Quantum optics with cold atoms--nonlinear spectroscopy and road toward single-atom trap /." Diss., Pasadena, Calif. : California Institute of Technology, 1995. http://resolver.caltech.edu/CaltechETD:etd-10112007-092812.

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Walker, Graeme. "Trans-spectral transfer of orbital angular momentum and creation of an ultra high density cold atom trap." Thesis, University of Glasgow, 2013. http://theses.gla.ac.uk/4498/.

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In recent years there has been great interest in the applications of the interaction of the phase and intensity of laser light in atomic vapours. The generation of light beams with arbitrary phase and intensity patterns can now be easily achieved by using Spatial Light Modulators (SLMs). The transformation of quantized units of phase information to atomic vapours has implications in the fields of quantum optics for the realisation of sources of entangled photons, optical switching, and quantum information storage. Spatially shaped beams with non-trivial intensity geometries have found use in si
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Morsch, Oliver. "Optical lattices for ultra-cold atoms." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301174.

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Dinkelaker, Aline. "Smooth inductively coupled ring trap for cold atom optics." Thesis, University of Strathclyde, 2013. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=19200.

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The main topic in this thesis is the proof-of-principle experiment for an inductively coupled magnetic ring trap for applications in atom interferometry and quantum gas investigations. Atom interferometry utilises the wave nature of atoms for precision measurements of gravitational and inertial effects and to test fundamental physics. Due to their symmetry, their periodic boundary conditions and their large enclosed areas, ring traps provide attractive geometries for atom interferometry. By tightening the trap and reducing the trap radius, toroidal traps also have excellent conditions to study
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Muckley, Eric S. "Constructing a magneto-optical trap for cold atom trapping /." Click here to view, 2009. http://digitalcommons.calpoly.edu/physsp/2.

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Thesis (B.S.)--California Polytechnic State University, 2009.<br>Project advisor: Katharina Gillen. Title from PDF title page; viewed on Jan. 14, 2010. Includes bibliographical references. Also available on microfiche.
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Meister, Matthias [Verfasser]. "Novel concepts for ultra-cold quantum gases in microgravity : equal trap frequencies, atoms trapped by atoms, and the space atom laser / Matthias Meister." Ulm : Universität Ulm, 2019. http://d-nb.info/120207653X/34.

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Ivanov, Vladyslav Victorovych. "Cold atoms modified radiative properties and evaporative cooling from optical traps /." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2007. http://dare.uva.nl/document/47332.

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Book chapters on the topic "Cold atom traps"

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Friedman, Nir, Ariel Kaplan, and Nir Davidson. "Dark Optical Traps for Cold Atoms." In Advances In Atomic, Molecular, and Optical Physics. Elsevier, 2002. http://dx.doi.org/10.1016/s1049-250x(02)80007-6.

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Barkai, Eli, and David A. Kessler. "Transport and the First Passage Time Problem with Application to Cold Atoms in Optical Traps." In First-Passage Phenomena and Their Applications. WORLD SCIENTIFIC, 2014. http://dx.doi.org/10.1142/9789814590297_0020.

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Taber, Douglass F. "C–O Ring Construction: The Oger/Lee/Galano Synthesis of 7(RS)-ST-Δ8-11-dihomo-Isofuran." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0047.

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Shaorong Yang and Huanfeng Jiang of the South China University of Technology assembled (Angew. Chem. Int. Ed. 2014, 53, 7219) the β-lactone 3 by the Pd-catalyzed addition of 2 to the alkyne 1. Jack R. Norton of Columbia University observed (J. Am. Chem. Soc. 2015, 137, 1036) that the vanadium-mediated reduc­tive cyclization of 4 proceeded by a free radical mechanism, leading to the cis 3,4-disubstituted tetrahydrofuran 5. The cyclization of 6 to 7 developed (J. Org. Chem. 2015, 80, 965) by Glenn M. Sammis of the University of British Columbia also involved H atom transfer. Amy R. Howell of the University of Connecticut devised (J. Org. Chem. 2015, 80, 5196) the ring expansion of the β-lactone 8 to the tet­rahydrofuran 9. Dmitri V. Filippov and Jeroen D. C. Codée of Leiden University showed (J. Org. Chem. 2015, 80, 4553) that the net reductive alkylation of the lac­tone 10 led to 11 with high diastereocontrol. A. Stephen K. Hashmi of the Ruprecht-Karls-Universität Heidelberg optimized (Chem. Eur. J. 2015, 21, 427) the gold-mediated rearrangement of the ester 12 to the lactone 13. This reaction apparently proceeded by the coupling of the metalated lac­tone with a propargylic carbocationic species. Benjamin List of the Max-Planck-Institut für Kohlenforschung developed (Angew. Chem. Int. Ed. 2015, 54, 7703) an organocatalyst that mediated the addition of 15 to 14, leading to 16 in high ee. Scott E. Denmark of the University of Illinois published (Nature Chem. 2015, 6, 1056) a detailed study of the enantioselective cyclization of 17 to 18. Shunichi Hashimoto of Hokkaido University established (Tetrahedron Lett. 2015, 56, 1397) that his catalyst was effective for the cycli­zation of 19 to 20. Debendra K. Mohapatra of the Indian Institute of Chemical Technology showed (J. Org. Chem. 2015, 80, 1365) that allyl trimethylsilane could trap the intermediate from the cyclization of 21, leading to 22 with high diastereocontrol. Young-Ger Suh of Seoul National University used (Chem. Commun. 2015, 51, 9026) a Pd catalyst to cyclize 23 to (−)-deguelin 24. John Montgomery of the University of Michigan showed (Org. Lett. 2015, 17, 1493) that the Ni-catalyzed reduc­tive cyclization of 25 to 26 proceeded with high diastereoselectivity.
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Conference papers on the topic "Cold atom traps"

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Wang, Charles H. T., Robert Bingham, J. Tito Mendonça, et al. "Probing spacetime fluctuations using cold atom traps." In INTERNATIONAL TOPICAL CONFERENCE ON PLASMA SCIENCE: Strongly Coupled Ultra-Cold and Quantum Plasmas. AIP, 2012. http://dx.doi.org/10.1063/1.3679598.

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Yurovsky, Vladimir, and Abraham Ben-Reuven. "Incomplete optical shielding in cold sodium atom traps." In The 13th international conference on spectral line shapes. AIP, 1997. http://dx.doi.org/10.1063/1.51786.

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Raithel, Georg. "Rydberg atom gases and cold plasmas in cryogenic traps." In Frontiers in Optics. OSA, 2003. http://dx.doi.org/10.1364/fio.2003.wqq2.

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Davidson, Nir. "Dark optical traps for ultra-cold atoms." In 19th Congress of the International Commission for Optics: Optics for the Quality of Life, edited by Giancarlo C. Righini and Anna Consortini. SPIE, 2003. http://dx.doi.org/10.1117/12.525477.

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Tempone-Wiltshire, S., S. Johnstone, P. Starkey, and K. Helmerson. "High efficiency holographic optical traps for cold atoms." In Frontiers in Optics. OSA, 2015. http://dx.doi.org/10.1364/fio.2015.fth1c.7.

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Fatemi, Fredrik K., Spencer E. Olson, Mark Bashkansky, Zachary Dutton, and Matthew Terraciano. "Single-beam, dark toroidal optical traps for cold atoms." In Integrated Optoelectronic Devices 2007, edited by David L. Andrews, Enrique J. Galvez, and Gerard Nienhuis. SPIE, 2007. http://dx.doi.org/10.1117/12.701078.

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Sereno, M., L. S. Cruz, F. C. Cruz, Niklaus Ursus Wetter, and Jaime Frejlich. "Deep Optical Trap for Cold Calcium Atoms." In RIAO∕OPTILAS 2007: 6th Ibero-American Conference on Optics (RIAO); 9th Latin-American Meeting on Optics, Lasers and Applications (OPTILAS). AIP, 2008. http://dx.doi.org/10.1063/1.2926902.

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Pohl, T., H. R. Sadeghpour, Yasuyuki Kanai, and Yasunori Yamazaki. "Formation of Antihydrogen Rydberg atoms in strong magnetic field traps." In PROCEEDINGS OF THE WORKSHOP ON COLD ANTIMATTER PLASMAS AND APPLICATION TO FUNDAMENTAL PHYSICS. AIP, 2008. http://dx.doi.org/10.1063/1.2977838.

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Grabowski, A., and T. Pfau. "A lattice of magneto-optical and magnetic traps for cold atoms." In 2003 European Quantum Electronics Conference. EQEC 2003 (IEEE Cat No.03TH8665). IEEE, 2003. http://dx.doi.org/10.1109/eqec.2003.1314131.

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Raithel, G., B. Knuffman, M. H. Shah, et al. "Atoms and plasmas in a high-magnetic-field trap." In PROCEEDINGS OF THE WORKSHOP ON COLD ANTIMATTER PLASMAS AND APPLICATION TO FUNDAMENTAL PHYSICS. AIP, 2008. http://dx.doi.org/10.1063/1.2977837.

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Reports on the topic "Cold atom traps"

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Raithel, Georg. Interactions of Cold Rydberg Atoms in a High-Magnetic-Field Atom Trap - Final Report. Office of Scientific and Technical Information (OSTI), 2011. http://dx.doi.org/10.2172/1015766.

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Crookston, M. B., P. M. Baker, and M. P. Robinson. A Microchip Ring Trap for Cold Atoms. Defense Technical Information Center, 2005. http://dx.doi.org/10.21236/ada440211.

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