Zobrazeno 1 - 10
of 263
pro vyhledávání: '"T, JOHNSSON"'
Autor:
Carlo Bradac, Mattias T. Johnsson, Matthew van Breugel, Ben Q. Baragiola, Rochelle Martin, Mathieu L. Juan, Gavin K. Brennen, Thomas Volz
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-6 (2017)
Previously, superradiance was observed from sizeable crystals or close to liquid-helium temperatures. Here, Bradec et al. report the observation of room-temperature superradiance from single, highly luminescent diamond nanocrystals with spatial dimen
Externí odkaz:
https://doaj.org/article/c2d0beb462b049329a904815c33d053a
Publikováno v:
Physical Review Research, Vol 3, Iss 2, p 023222 (2021)
Large bosonic or continuous variable nonlinearities can have numerous applications, ranging from the generation of cat states for quantum computation, through to quantum sensing where the sensitivity exceeds Heisenberg scaling in the resources. Howev
Externí odkaz:
https://doaj.org/article/2a2c8732fda54518bb15c246dd05f985
Autor:
P A Altin, M T Johnsson, V Negnevitsky, G R Dennis, R P Anderson, J E Debs, S S Szigeti, K S Hardman, S Bennetts, G D McDonald, L D Turner, J D Close, N P Robins
Publikováno v:
New Journal of Physics, Vol 15, Iss 2, p 023009 (2013)
We present a precision gravimeter based on coherent Bragg diffraction of freely falling cold atoms. Traditionally, atomic gravimeters have used stimulated Raman transitions to separate clouds in momentum space by driving transitions between two inter
Externí odkaz:
https://doaj.org/article/424136a8421547f890abb21f7549f93d
Publikováno v:
New Journal of Physics, Vol 15, Iss 12, p 123024 (2013)
We examine the feasibility of creating and measuring large relative number squeezing in multicomponent trapped Bose–Einstein condensates. In the absence of multimode effects, this squeezing can be arbitrarily large for arbitrarily large condensates
Externí odkaz:
https://doaj.org/article/8b2c9f29da044346bda9183827938054
Akademický článek
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Publikováno v:
Acta Pathologica Microbiologica Scandinavica Section C Immunology. :112-120
A survey of the stock of registered blood donors in Malmo revealed 0.07 per cent carriers of hepatitis B surface antigen (HBsAg) if tested with immunoelectroosmophoresis (IEOP). In the group of prospective donors, the IEOP technique detected HBsAg at
Autor:
T. Johnsson, Bertil Tufvesson
Publikováno v:
Acta Pathologica Microbiologica Scandinavica Section B Microbiology. :22-28
In the course of a six-month-study of acute gastroenteritis in children of ages up to six years, a reo-like virus was found in 54 per cent of the faecal specimens obtained at an early stage of the disease, using electron microscopy as screening test.
Autor:
T. Johnsson, Bertil Tufvesson
Publikováno v:
Acta Pathologica Microbiologica Scandinavica Section B Microbiology. :225-228
In two separate studies, faecal samples were collected from children with acute gastroenteritis; the samples were tested both by electron microscopy and immunoelectroosmophoresis with a view to detect reo-like virus. In 94 per cent and 100 per cent o