Analogue transformation acoustics and the compression of spacetime Articles uri icon

authors

  • GARCIA MECA, CARLOS
  • CARLONI, SANTE
  • BARCELO, CARLOS
  • JANNES, GIL
  • SANCHEZ DEHESA, JOSE
  • MARTINEZ, ALEJANDRO

publication date

  • August 2014

start page

  • 312

end page

  • 318

issue

  • 4

volume

  • 12

International Standard Serial Number (ISSN)

  • 1569-4410

Electronic International Standard Serial Number (EISSN)

  • 1569-4429

abstract

  • A recently developed technique known as analogue transformation acoustics has allowed the extension of the transformational paradigm to general spacetime transformations under which the acoustic equations are not form invariant. In this paper, we review the fundamentals of analogue transformation acoustics and show how this technique can be applied to build a device that increases the density of events within a given spacetime region by simultaneously compressing space and time. © 2014 Elsevier B.V. All rights reserved.

keywords

  • analogue gravity; compressor; metamaterials; spacetime; transformation acoustics; compressors; hardware; metamaterials; acoustic equation; space and time; space-time region; space-time transformations; spacetime; transformation acoustics; electrical engineering