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Autor: Khakimov, R. I., Henson, B. M., Shin, D. K., Hodgman, S. S., Dall, R. G., Baldwin, K. G. H., Truscott, A. G.

Ghost imaging is a technique -- first realized in quantum optics -- in which the image emerges from cross-correlation between particles in two separate beams. One beam passes through the object to a bucket (single-pixel) detector, while the second be

Externí odkaz: http://arxiv.org/abs/1607.02240

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Precision Measurement for Metastable Helium Atoms of the 413 nm Tune-Out Wavelength at Which the Atomic Polarizability Vanishes

Autor: Henson, B. M., Khakimov, R. I., Dall, R. G., Baldwin, K. G. H., Tang, Li-Yan, Truscott, A. G.

Publikováno v: Phys. Rev. Lett. 115, 043004 (2015)

We present the first measurement for helium atoms of the tune-out wavelength at which the atomic polarizability vanishes. We utilise a novel, highly sensitive technique for precisely measuring the effect of variations in the trapping potential of con

Externí odkaz: http://arxiv.org/abs/1505.03642

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Observation of non-Hermitian degeneracies in a chaotic exciton-polariton billiard

Autor: Gao, T., Estrecho, E., Bliokh, K. Y., Liew, T. C. H., Fraser, M. D., Brodbeck, S., Kamp, M., Schneider, C., Höfling, S., Yamamoto, Y., Nori, F., Kivshar, Y. S., Truscott, A., Dall, R., Ostrovskaya, E. A.

Publikováno v: Nature 526, 554 (2015)

Exciton-polaritons are hybrid light-matter quasiparticles formed by strongly interacting photons and excitons (electron-hole pairs) in semiconductor microcavities. They have emerged as a robust solid-state platform for next-generation optoelectronic

Externí odkaz: http://arxiv.org/abs/1504.00978

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Ideal n-body correlations with massive particles

Autor: Dall, R. G., Manning, A. G., Hodgman, S. S., RuGway, Wu, Kheruntsyan, K. V., Truscott, A. G.

Publikováno v: Nature Physics 9, 341 (2013)

In 1963 Glauber introduced the modern theory of quantum coherence, which extended the concept of first-order (one-body) correlations, describing phase coherence of classical waves, to include higher-order (n-body) quantum correlations characterizing

Externí odkaz: http://arxiv.org/abs/1403.2831

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Observation of transverse condensation via Hanbury Brown--Twiss correlations

Autor: RuGway, Wu, Manning, A. G., Hodgman, S. S., Dall, R. G., Lamberton, T., Kheruntsyan, K. V., Truscott, A. G.

Publikováno v: Phys. Rev. Lett. 111, 093601 (2013)

A fundamental property of a three-dimensional Bose-Einstein condensate (BEC) is long-range coherence, however, in systems of lower dimensionality, not only is the long range coherence destroyed, but additional states of matter are predicted to exist.

Externí odkaz: http://arxiv.org/abs/1308.2095

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Paired atom laser beams created via four-wave mixing

Autor: Dall, R. G., Byron, L. J., Truscott, A. G., Dennis, G. R., Johnsson, M. T., Hope, J. J.

A method to create paired atom laser beams from a metastable helium atom laser via four-wave mixing is demonstrated. Radio frequency outcoupling is used to extract atoms from a Bose Einstein condensate near the center of the condensate and initiate s

Externí odkaz: http://arxiv.org/abs/0806.0212

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