Nonlinear Meissner effect in a high-temperature superconductor: Local versus nonlocal electrodynamics

Measured intermodulation distortion (IMD) power at 1.5 GHz in a series of YBa[subscript 2]Y[subscript 3]O[subscript 7−δ] stripline resonators of varying strip widths is compared to the predictions of two qualitatively distinct theories of the nonlinear Meissner effect. The stripline resonators are p...

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Main Authors: Oates, Daniel E., Agassi, D., Wong, E., Leese de Escobar, A., Irgmaier, K.
Other Authors: Lincoln Laboratory
Format: Article
Language:en_US
Published: American Physical Society 2010
Online Access:http://hdl.handle.net/1721.1/51332
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author Oates, Daniel E.
Agassi, D.
Wong, E.
Leese de Escobar, A.
Irgmaier, K.
author2 Lincoln Laboratory
author_facet Lincoln Laboratory
Oates, Daniel E.
Agassi, D.
Wong, E.
Leese de Escobar, A.
Irgmaier, K.
author_sort Oates, Daniel E.
collection MIT
description Measured intermodulation distortion (IMD) power at 1.5 GHz in a series of YBa[subscript 2]Y[subscript 3]O[subscript 7−δ] stripline resonators of varying strip widths is compared to the predictions of two qualitatively distinct theories of the nonlinear Meissner effect. The stripline resonators are patterned from a single wafer to ensure uniformity of the material properties. According to the first theory [T. Dahm and D. J. Scalapino, Phys. Rev. B 60, 13125 (1999)], the IMD power is dominated by contributions from the strip edges, while according to the second theory [D. Agassi and D. E. Oates, Phys. Rev. B 72, 014538 (2005)] it is dominated by contributions from the body of the strip. The parameter-free comparison of the measured data with the theoretical predictions clearly favors the latter theory. We conclude that the nonlinear component of the penetration depth must be treated with nonlocal electrodynamics. The origins of this outcome are discussed briefly in the framework of a Green’s-function approach.
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spelling mit-1721.1/513322022-10-02T07:39:18Z Nonlinear Meissner effect in a high-temperature superconductor: Local versus nonlocal electrodynamics Oates, Daniel E. Agassi, D. Wong, E. Leese de Escobar, A. Irgmaier, K. Lincoln Laboratory Oates, Daniel E. Oates, Daniel E. Measured intermodulation distortion (IMD) power at 1.5 GHz in a series of YBa[subscript 2]Y[subscript 3]O[subscript 7−δ] stripline resonators of varying strip widths is compared to the predictions of two qualitatively distinct theories of the nonlinear Meissner effect. The stripline resonators are patterned from a single wafer to ensure uniformity of the material properties. According to the first theory [T. Dahm and D. J. Scalapino, Phys. Rev. B 60, 13125 (1999)], the IMD power is dominated by contributions from the strip edges, while according to the second theory [D. Agassi and D. E. Oates, Phys. Rev. B 72, 014538 (2005)] it is dominated by contributions from the body of the strip. The parameter-free comparison of the measured data with the theoretical predictions clearly favors the latter theory. We conclude that the nonlinear component of the penetration depth must be treated with nonlocal electrodynamics. The origins of this outcome are discussed briefly in the framework of a Green’s-function approach. 2010-02-02T18:47:59Z 2010-02-02T18:47:59Z 2008-06 2008-03 Article http://purl.org/eprint/type/JournalArticle 1550-235X 1098-0121 http://hdl.handle.net/1721.1/51332 Oates, D. E. et al. “Nonlinear Meissner effect in a high-temperature superconductor: Local versus nonlocal electrodynamics.” Physical Review B 77.21 (2008): 214521. (C) 2010 The American Physical Society. en_US http://dx.doi.org/10.1103/PhysRevB.77.214521 Physical Review B Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Physical Society APS
spellingShingle Oates, Daniel E.
Agassi, D.
Wong, E.
Leese de Escobar, A.
Irgmaier, K.
Nonlinear Meissner effect in a high-temperature superconductor: Local versus nonlocal electrodynamics
title Nonlinear Meissner effect in a high-temperature superconductor: Local versus nonlocal electrodynamics
title_full Nonlinear Meissner effect in a high-temperature superconductor: Local versus nonlocal electrodynamics
title_fullStr Nonlinear Meissner effect in a high-temperature superconductor: Local versus nonlocal electrodynamics
title_full_unstemmed Nonlinear Meissner effect in a high-temperature superconductor: Local versus nonlocal electrodynamics
title_short Nonlinear Meissner effect in a high-temperature superconductor: Local versus nonlocal electrodynamics
title_sort nonlinear meissner effect in a high temperature superconductor local versus nonlocal electrodynamics
url http://hdl.handle.net/1721.1/51332
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