Negative energy fluxes and moving mirrors in curved space

Details Negative energy fluxes and moving mirrors in curved space Negative energy fluxes and moving mirrors in curved space

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985cqgra...2l..37w&link_type=abstract

Classical and Quantum Gravity (ISSN 0264-9381), vol. 2, March 1, 1985, p. L37-L40.

Physics

5

Energy Transfer, Mirrors, Relativistic Effects, Space-Time Functions, Unified Field Theory, Momentum Transfer, Radiative Transfer, Tensor Analysis, Thermal Radiation, Trajectory Analysis

Scientific paper

Moving mirrors have the disturbing aspect that they can produce fluxes of negative energy, but the mirror trajectories required for this in flat space have some unphysical aspects. However, work of Unruh and Wald (1982) suggests that a slowly moving mirror outside a black hole can also produce such fluxes. The general theory of moving mirrors in curved space is investigated here, and it is shown that the energy flux has the same functional dependence on the trajectory as it has in flat space. Hence all trajectories which radiate negative energy involve the same unphysical aspects.

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