4.8 Article

Spontaneous Emission by Rotating Objects: A Scattering Approach

Journal

PHYSICAL REVIEW LETTERS
Volume 108, Issue 23, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.230403

Keywords

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Funding

  1. U.S. Department of Energy [DF-FC02-94ER40818]
  2. NSF [DMR-08-03315]
  3. Direct For Mathematical & Physical Scien
  4. Division Of Materials Research [1206323] Funding Source: National Science Foundation

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We study the quantum electrodynamics vacuum in the presence of a body rotating along its axis of symmetry and show that the object spontaneously emits energy if it is lossy. The radiated power is expressed as a general trace formula solely in terms of the scattering matrix, making an explicit connection to the conjecture of Zel'dovich [JETP Lett. 14, 180 (1971)] on rotating objects. We further show that a rotating body drags along nearby objects while making them spin parallel to its own rotation axis.

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