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  • CLEO/Europe and EQEC 2009 Conference Digest
  • (Optica Publishing Group, 2009),
  • paper EF2_5

Solitons in curved space

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Abstract

Since the pioneering work of Unruh [1], analog models of General Relativity are promising way to simulate semiclassical effects of quantum gravity in other physical systems, thus gaining a deeper understanding of the underlying physics. However, only in the last years, systems like Bose-Einstein condensates or optical solitons, have opened up the opportunity to find the Hawking- or Unruh effect in the laboratory [2,3]. A key aspect of these models is the nonlinear interaction, which then leads to the formation of solitons. For these nonlinear solutions it is possible to show, that in the hydrodynamic limit, the fluctuations around the soliton (phonons) can be described by a complex scalar field, which is propagating in an effectively curved spacetime [4].

© 2009 IEEE

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