Response to tilted magnetic fields in $Bi_2Sr_2CaCu_2O_8$ with columnar defects : Evidences for transverse Meissner effect

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dc.creatorPhuoc, V. Ta
dc.creatorOlive, E.
dc.creatorDe Sousa, R.
dc.creatorRuyter, A.
dc.creatorAmmor, L.
dc.creatorSoret, J. C.
dc.date2002-03-29
dc.date.accessioned2026-07-07T02:44:51Z
dc.date.available2026-07-07T02:44:51Z
dc.descriptionThe transverse Meissner effect (TME) in the highly layered superconductor $Bi_2Sr_2CaCu_2O_{8+y}$ with columnar defects is investigated by transport measurements. We present detailed evidence for the persistence of the Bose glass phase for $H_{\perp}<H_{\perp c}$ : (i) the variable-range vortex hopping process for low currents crosses over to the half-loops regime for high currents; (ii) in both regimes near $H_{\perp c}$ the energy barriers vanish linearly with $H_{\perp}$ ; (iii) the transition temperature is governed by $T_{BG}(H_{\parallel},0) -T_{BG}(H_{\parallel},H_{\perp}) \sim |H_{\perp}| ^{1/ν_{\perp}}$ with $ν_{\perp}=1.0 \pm 0.1$. Furthermore, above the transition as $H_{\perp}\to H_{\perp c}^+$, moving kink chains consistent with a commensurate-incommensurate transition scenario are observed. These results thereby clearly show the existence of the TME for $H_{\perp}<H_{\perp c}$ .
dc.description4 pages, 5 figures, accepted for publication in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/cond-mat/0203617
dc.identifierhttp://arxiv.org/abs/cond-mat/0203617
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19100
dc.subjectSuperconductivity
dc.subjectDisordered Systems and Neural Networks
dc.titleResponse to tilted magnetic fields in $Bi_2Sr_2CaCu_2O_8$ with columnar defects : Evidences for transverse Meissner effect
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