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Fw: new SC-gravity paper

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  • Colin Quinney
    ... From: To: Sent: Monday, April 15, 2002 10:12 AM Subject: new SC-gravity paper ... electromagnetic ...
    Message 1 of 1 , Apr 15, 2002
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      ----- Original Message -----
      From: <hamdix@...>
      To: <vortex-l@...>
      Sent: Monday, April 15, 2002 10:12 AM
      Subject: new SC-gravity paper

      > http://xxx.lanl.gov/abs/gr-qc/0204012
      > Regards, hamdi ucar
      > General Relativity and Quantum Cosmology, abstract
      > gr-qc/0204012
      > From: Chiao <chiao@...>
      > Date (v1): Tue, 2 Apr 2002 21:20:03 GMT (46kb)
      > Date (revised v2): Thu, 11 Apr 2002 22:32:09 GMT (46kb)
      > Superconductors as transducers and antennas for gravitational and
      > radiation
      > Authors: Raymond Y. Chiao
      > Comments: 21 pages, 3 figures, abbreviated writeup of my March 23, 2002
      Wheeler Symposium lecture, and book chapter for Wheeler Festschrift
      > Type II superconductors will be considered as macroscopic quantum
      gravitational antennas,
      > which can simultaneously also be used as efficient transducers for
      > electromagnetic radiation into gravitational radiation, and vice versa.
      A Meissner-like effect,
      > in which the Lense-Thirring field associated with a gravity wave is
      expelled from the interior of
      > the superconductor, is predicted. An analysis of a process of natural
      impedance matching in
      > type II superconductors such as YBCO based on the Ginzburg-Landau theory
      yields an
      > estimate of the transducer conversion efficiency of the order of unity
      upon reflection of the
      > wave. Thus efficient emitters and receivers of gravitational radiation
      can be constructed at
      > microwave frequencies. A simple, Hertz-like experiment using YBCO and 12
      > microwaves is being performed to test these ideas. Results of this
      experiment will be
      > reported elsewhere. (PACS nos.: 03.65.Ud, 04.30.Db, 04.30.Nk, 04.80.Nn,
      74.60-w, 74.72.Bk)

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