Atomic state that is a coherent superposition?

  • #1
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upload_2018-6-4_16-32-42.png

Can someone explain the meaning of the k vector and the general meaning of this equation?
 

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  • #2
BvU
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1) k is the wave number ##2\pi\over \lambda##
2) difficult if you don't show where this is appearing. Some Stokes amplitude ? In particular: what the ##| g_j\rangle_n## stand for.
 
  • #3
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  • #5
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Nicolas Sangouard, Christoph Simon, Hugues de Riedmatten, and Nicolas Gisin
"Quantum repeaters based on atomic ensembles and linear optics",
Rev. Mod. Phys. 83, 33 – Published 21 March 2011
 
  • #6
DrChinese
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Nicolas Sangouard, Christoph Simon, Hugues de Riedmatten, and Nicolas Gisin
"Quantum repeaters based on atomic ensembles and linear optics",
Rev. Mod. Phys. 83, 33 – Published 21 March 2011

Here it is:

https://arxiv.org/abs/0906.2699
 

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