Search Results - "Kuhn, C. C. N."

Contact and Sum Rules in a Near-Uniform Fermi Gas at Unitarity by Carcy, C, Hoinka, S, Lingham, M G, Dyke, P, Kuhn, C C N, Hu, H, Vale, C J

“…We present an experimental study of the high-energy excitation spectra of unitary Fermi gases. Using focused beam Bragg spectroscopy, we locally probe atoms in…”
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Bright solitonic matter-wave interferometer by McDonald, G D, Kuhn, C C N, Hardman, K S, Bennetts, S, Everitt, P J, Altin, P A, Debs, J E, Close, J D, Robins, N P

“…We present the first realization of a solitonic atom interferometer. A Bose-Einstein condensate of 1×10(4) atoms of rubidium-85 is loaded into a horizontal…”
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Fast machine-learning online optimization of ultra-cold-atom experiments by Wigley, P. B., Everitt, P. J., van den Hengel, A., 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. N., Hope, J. J., Robins, N. P., Hush, M. R.

“…We apply an online optimization process based on machine learning to the production of Bose-Einstein condensates (BEC). BEC is typically created with an…”
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Simultaneous Precision Gravimetry and Magnetic Gradiometry with a Bose-Einstein Condensate: A High Precision, Quantum Sensor by Hardman, K S, Everitt, P J, McDonald, G D, Manju, P, Wigley, P B, Sooriyabandara, M A, Kuhn, C C N, Debs, J E, Close, J D, Robins, N P

“…A Bose-Einstein condensate is used as an atomic source for a high precision sensor. A 5×10^{6}  atom F=1 spinor condensate of ^{87}Rb is released into free…”
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High-Frequency Sound in a Unitary Fermi Gas by Kuhn, C C N, Hoinka, S, Herrera, I, Dyke, P, Kinnunen, J J, Bruun, G M, Vale, C J

“…We present an experimental and theoretical study of the phonon mode in a unitary Fermi gas. Using two-photon Bragg spectroscopy, we measure excitation spectra…”
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A Bose-condensed, simultaneous dual-species Mach-Zehnder atom interferometer by Kuhn, C C N, McDonald, G D, Hardman, K S, Bennetts, S, Everitt, P J, Altin, P A, Debs, J E, Close, J D, Robins, N P

“…This paper presents the first realization of a simultaneous 87Rb-85Rb Mach-Zehnder atom interferometer with Bose-condensed atoms. A number of ambitious…”
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11 W narrow linewidth laser source at 780nm for laser cooling and manipulation of Rubidium by Sané, S. S., Bennetts, S., Debs, J. E., Kuhn, C. C. N., McDonald, G. D., Altin, P. A., Close, J. D., Robins, N. P.

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Phase diagrams of three-component attractive ultracold fermions in one dimension by Kuhn, C C N, Foerster, A

“…We investigate trions, paired states and quantum phase transitions in one-dimensional SU(3) attractive fermions in external fields by means of the Bethe ansatz…”
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Dynamics of a Fermi Gas Quenched to Unitarity by Dyke, P., Hogan, A., Herrera, I., Kuhn, C. C. N., Hoinka, S., Vale, C. J.

“…We present an experimental study of a two component Fermi gas following an interaction quench into the superfluid phase. Starting with a weakly attractive gas…”
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Measurement of a helium tune-out frequency: an independent test of quantum electrodynamics by Henson, B M, Ross, J A, Thomas, K F, Kuhn, C N, Shin, D K, Hodgman, S S, Zhang, Yong-Hui, Tang, Li-Yan, Drake, G W F, Bondy, A T, Truscott, A G, Baldwin, K G H

“…Despite quantum electrodynamics (QED) being one of the most stringently tested theories underpinning modern physics, recent precision atomic spectroscopy…”
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Laser cooling of rubidium atoms in a 2D optical lattice by Wei, Chunhua, Kuhn, Carlos C. N.

“…Lossless polarization gradient cooling of [Formula omitted.] [Formula omitted.] atoms in a far-detuned 2D optical lattice is demonstrated. Temperatures down to…”
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External cavity diode lasers with 5kHz linewidth and 200nm tuning range at 1.55μm and methods for linewidth measurement by Bennetts, Shayne, McDonald, Gordon D, Hardman, Kyle S, Debs, John E, Kuhn, Carlos C N, Close, John D, Robins, Nicholas P

“…Two simple external cavity diode laser designs using fibre pigtailed gain chips are tested and their properties compared with a high end DBR fibre laser. These…”
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A faster scaling in acceleration-sensitive atom interferometers by McDonald, G. D., Kuhn, C. C. N., Bennetts, S., Debs, J. E., Hardman, K. S., Close, J. D., Robins, N. P.

“…Atom interferometers have been used to measure acceleration with at best a T2 scaling in sensitivity as the interferometer time T is increased. This limits the…”
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Erratum: Bright Solitonic Matter-Wave Interferometer [Phys. Rev. Lett. 113, 013002 (2014)] by McDonald, G D, Kuhn, C C N, Hardman, K S, Bennetts, S, Everitt, P J, Altin, P A, Debs, J E, Close, J D, Robins, N P

“…This corrects the article DOI: 10.1103/PhysRevLett.113.013002…”
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Construction and characterization of external cavity diode lasers for atomic physics by Hardman, Kyle S, Bennetts, Shayne, Debs, John E, Kuhn, Carlos C N, McDonald, Gordon D, Robins, Nick

“…Since their development in the late 1980s, cheap, reliable external cavity diode lasers (ECDLs) have replaced complex and expensive traditional dye and…”
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Measurement of a helium tune-out frequency: an independent test of quantum electrodynamics by Henson, B. M, Ross, J. A, Thomas, K. F, Kuhn, C. N, Shin, D. K, Hodgman, S. S, Zhang, Yong-Hui, Tang, Li-Yan, Drake, G. W. F, Bondy, A. T, Truscott, A. G, Baldwin, K. G. H

“…Science 376 (2022) 199-203 Despite quantum electrodynamics (QED) being one of the most stringently tested theories underpinning modern physics, recent…”
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Dynamics of a Fermi gas quenched to unitarity by Dyke, P, Hogan, A, Herrera, I, Kuhn, C. C. N, Hoinka, S, Vale, C. J

“…Phys. Rev. Lett. 127, 100405 (2021) We present an experimental study of a two component Fermi gas following an interaction quench into the superfluid phase…”
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High Frequency Sound in a Unitary Fermi Gas by Kuhn, C. C. N, Hoinka, S, Herrera, I, Dyke, P, Kinnunen, J. J, Bruun, G. M, Vale, C. J

“…Phys. Rev. Lett. 124, 150401 (2020) We present an experimental and theoretical study of the phonon mode in a unitary Fermi gas. Using two-photon Bragg…”
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Contact and sum-rules in a near-uniform Fermi gas at unitarity by Carcy, C, Hoinka, S, Lingham, M. G, Dyke, P, Kuhn, C. C. N, Hu, H, Vale, C. J

“…Phys. Rev. Lett. 122, 203401 (2019) We present an experimental study of the high-energy excitation spectra of unitary Fermi gases. Using focussed beam Bragg…”
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A geometric wave function for a few interacting bosons in a harmonic trap by Wilson, B., Foerster, A., Kuhn, C.C.N., Roditi, I., Rubeni, D.

“…We establish a new geometric wave function that combined with a variational principle efficiently describes a system of bosons interacting in a one-dimensional…”
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