2005

  The Nobel Prize in Physics 2005 The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Physics for 2005 with one half to Roy J. Glauber “for his contribution to the quantum theory of optical coherence” and one half jointly to John L. Hall and Theodor W. Hänsch “for their…

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  The Nobel Prize in Physics 2005             Guaranteed secure cryptography One practical application of quantum optics is the possibility to exchange cryptographic keys without fear of their being broken – which is the bottleneck of all cryptography. These keys are used to encipher a message between a transmitter and…

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  The Nobel Prize in Physics 2005             Are the fundamental constants really constant? Thanks to highly stabilised laser systems we can now make measurements with very great accuracy. For example, Hall has been able to verify what the theory of relativity predicts – that light has the same speed…

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  The Nobel Prize in Physics 2005           Using light as a tool With the aid of light we can get a fantastic picture of the world of atoms. This field is called spectroscopy and is a way of investigating the energy-level structure in atoms and molecules. Here the laser, with…

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Biographical

John Lewis Hall (known by many as Jan) was born on August 21, 1934 in Denver, Colorado. His father (John Ernest Hall) was trained as an electrical engineer and worked for the U.S. Bureau of Reclamation on many hydroelectric projects here and overseas. His mother, Rae (Long) Hall was an elementary school teacher and singer.…

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Press release

English 4 October 2005 has decided to award the Nobel Prize in Physics for 2005 with one half to Roy J. Glauber Harvard University, Cambridge, MA, USA “for his contribution to the quantum theory of optical coherence” and one half jointly to John L. Hall JILA, University of Colorado and National Institute of Standards and…

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