1997
DOI: 10.1103/physrevb.55.r708
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Nonlocal conductivity inBi2Sr2et al.

Abstract: Using an eight-terminal geometry, we have measured voltages in Bi 2 Sr 2 CaCu 2 O 8ϩ␦ single crystals with current injected both parallel and perpendicular to the crystallographic c axis and with magnetic fields Hр3 kOe, Hʈc axis. In a range of fields and temperatures for which the conductivity is Ohmic, our results disagree with a model that assumes classical electrodynamics. We believe that interlayer vortex coupling is responsible for nonlocal conductivity in this regime. ͓S0163-1829͑97͒50902-7͔

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Cited by 23 publications
(18 citation statements)
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“…A similar view was expressed earlier by Eltsev and Rapp [2]. This is in contrast to the conclusions of Safar et al [3] and Keener et al [4], who argued that the local conductivity model (LCM) cannot satisfactorily account for their data.…”
Section: Dissipation In the Mixed State: Local Or Nonlocal?supporting
confidence: 61%
See 1 more Smart Citation
“…A similar view was expressed earlier by Eltsev and Rapp [2]. This is in contrast to the conclusions of Safar et al [3] and Keener et al [4], who argued that the local conductivity model (LCM) cannot satisfactorily account for their data.…”
Section: Dissipation In the Mixed State: Local Or Nonlocal?supporting
confidence: 61%
“…[1] and [2] reveals that there is no real contradiction between all existing experiments [1][2][3][4]: The results of [1,2] also exhibit a strong deviation from LCM quantitatively similar, albeit more subtle, to that found in [3,4].…”
Section: Dissipation In the Mixed State: Local Or Nonlocal?mentioning
confidence: 60%
“…Similar evidence for nonlocal effects in Bi-Sr-Ca-Cu-O has been reported. 2 It should be pointed out that the nonlocal interpretation has been questioned both on theoretical 3 and experimental 4 grounds. It should also be noted that the large effects seen by Safar et al 1 were in heavily twinned samples.…”
Section: Introductionmentioning
confidence: 99%
“…In their measurements on single-crystal BSCCO, Keener et al 10 never observe the ratios V bot /V top and V right /V left simultaneously approaching one. Nevertheless, when they perform a Montgomery analysis on their data, they do see discrepancies in the apparent ratio xx (a) / zz (a) .…”
Section: Introductionmentioning
confidence: 92%