Vortex Response and Critical Fields observed via rf penetration depth measurements on the superconductor YNi_2B_2C
Measurements of the rf penetration depth \lambda(T,H,\theta ) are used to study the superconducting order parameter, vortex dynamics in the mixed state and delineate critical fields in the borocarbide superconductor YNi_2B_2C. The lower critical field has an anomalous T dependence, H_{c1}(T)=1.12[1-...
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| creator | Oxx, S Choudhury, D. P Willemsen, Balam A Srikanth, H Sridhar, S Cho, B. K Canfield, P. C |
| description | Measurements of the rf penetration depth \lambda(T,H,\theta ) are used to
study the superconducting order parameter, vortex dynamics in the mixed state
and delineate critical fields in the borocarbide superconductor YNi_2B_2C. The
lower critical field has an anomalous T dependence, H_{c1}(T)=1.12[1-(T/T_c)]
kOe, which is however consistent with independent superfluid density
measurements at microwave frequencies. The vortex response is dominated by
viscous flux flow, indicative of extremely weak pinning, and is parametrized by
a field scale H_{c2,eff}. The angular dependence of the vortex contribution
\lambda(\theta) is in good agreement with the Coffey-Clem model. Structure is
seen in the depairing transition in the vicinity of the upper critical field,
with the existence of well-defined critical fields H_{c2a}, H_{c2b} and
H_{c2c}, with the vortex field scale H_{c2,eff} closest to H_{c2b}. Overall the
measurements indicate that YNi_2B_2C has a rich and unusual field dependence of
its transport parameters. |
| doi_str_mv | 10.48550/arxiv.supr-con/9602003 |
| format | Article |
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study the superconducting order parameter, vortex dynamics in the mixed state
and delineate critical fields in the borocarbide superconductor YNi_2B_2C. The
lower critical field has an anomalous T dependence, H_{c1}(T)=1.12[1-(T/T_c)]
kOe, which is however consistent with independent superfluid density
measurements at microwave frequencies. The vortex response is dominated by
viscous flux flow, indicative of extremely weak pinning, and is parametrized by
a field scale H_{c2,eff}. The angular dependence of the vortex contribution
\lambda(\theta) is in good agreement with the Coffey-Clem model. Structure is
seen in the depairing transition in the vicinity of the upper critical field,
with the existence of well-defined critical fields H_{c2a}, H_{c2b} and
H_{c2c}, with the vortex field scale H_{c2,eff} closest to H_{c2b}. Overall the
measurements indicate that YNi_2B_2C has a rich and unusual field dependence of
its transport parameters.</description><identifier>DOI: 10.48550/arxiv.supr-con/9602003</identifier><language>eng</language><subject>Physics - Superconductivity</subject><creationdate>1996-02</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,781,886</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/supr-con/9602003$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.supr-con/9602003$$DView paper in arXiv$$Hfree_for_read</backlink><backlink>$$Uhttps://doi.org/10.1016/0921-4534(96)00230-4$$DView published paper (Access to full text may be restricted)$$Hfree_for_read</backlink></links><search><creatorcontrib>Oxx, S</creatorcontrib><creatorcontrib>Choudhury, D. P</creatorcontrib><creatorcontrib>Willemsen, Balam A</creatorcontrib><creatorcontrib>Srikanth, H</creatorcontrib><creatorcontrib>Sridhar, S</creatorcontrib><creatorcontrib>Cho, B. K</creatorcontrib><creatorcontrib>Canfield, P. C</creatorcontrib><title>Vortex Response and Critical Fields observed via rf penetration depth measurements on the superconductor YNi_2B_2C</title><description>Measurements of the rf penetration depth \lambda(T,H,\theta ) are used to
study the superconducting order parameter, vortex dynamics in the mixed state
and delineate critical fields in the borocarbide superconductor YNi_2B_2C. The
lower critical field has an anomalous T dependence, H_{c1}(T)=1.12[1-(T/T_c)]
kOe, which is however consistent with independent superfluid density
measurements at microwave frequencies. The vortex response is dominated by
viscous flux flow, indicative of extremely weak pinning, and is parametrized by
a field scale H_{c2,eff}. The angular dependence of the vortex contribution
\lambda(\theta) is in good agreement with the Coffey-Clem model. Structure is
seen in the depairing transition in the vicinity of the upper critical field,
with the existence of well-defined critical fields H_{c2a}, H_{c2b} and
H_{c2c}, with the vortex field scale H_{c2,eff} closest to H_{c2b}. Overall the
measurements indicate that YNi_2B_2C has a rich and unusual field dependence of
its transport parameters.</description><subject>Physics - Superconductivity</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1996</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNqNjrEKwjAURbM4iPoNvsVRja0VXS2Kk4OI4BRi88QHbRJe0qJ_bxQ_wOku53KOEOOFnC3XRSHnmp_UzULreVo5O9-sZCZl3hd8cRzxCScM3tmAoK2BkilSpWvYE9YmgLsF5A4NdKSB7-DRYmQdyVkw6OMDGtShZWzQxoRbiA-EJENOMtNW0TFcj6SyrcrKoejddR1w9NuBmOx35_Iw_TYqz9RofqlPq0p39WvN_-Xeh21SSA</recordid><startdate>19960226</startdate><enddate>19960226</enddate><creator>Oxx, S</creator><creator>Choudhury, D. P</creator><creator>Willemsen, Balam A</creator><creator>Srikanth, H</creator><creator>Sridhar, S</creator><creator>Cho, B. K</creator><creator>Canfield, P. C</creator><scope>GOX</scope></search><sort><creationdate>19960226</creationdate><title>Vortex Response and Critical Fields observed via rf penetration depth measurements on the superconductor YNi_2B_2C</title><author>Oxx, S ; Choudhury, D. P ; Willemsen, Balam A ; Srikanth, H ; Sridhar, S ; Cho, B. K ; Canfield, P. C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-arxiv_primary_supr_con_96020033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1996</creationdate><topic>Physics - Superconductivity</topic><toplevel>online_resources</toplevel><creatorcontrib>Oxx, S</creatorcontrib><creatorcontrib>Choudhury, D. P</creatorcontrib><creatorcontrib>Willemsen, Balam A</creatorcontrib><creatorcontrib>Srikanth, H</creatorcontrib><creatorcontrib>Sridhar, S</creatorcontrib><creatorcontrib>Cho, B. K</creatorcontrib><creatorcontrib>Canfield, P. C</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Oxx, S</au><au>Choudhury, D. P</au><au>Willemsen, Balam A</au><au>Srikanth, H</au><au>Sridhar, S</au><au>Cho, B. K</au><au>Canfield, P. C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vortex Response and Critical Fields observed via rf penetration depth measurements on the superconductor YNi_2B_2C</atitle><date>1996-02-26</date><risdate>1996</risdate><abstract>Measurements of the rf penetration depth \lambda(T,H,\theta ) are used to
study the superconducting order parameter, vortex dynamics in the mixed state
and delineate critical fields in the borocarbide superconductor YNi_2B_2C. The
lower critical field has an anomalous T dependence, H_{c1}(T)=1.12[1-(T/T_c)]
kOe, which is however consistent with independent superfluid density
measurements at microwave frequencies. The vortex response is dominated by
viscous flux flow, indicative of extremely weak pinning, and is parametrized by
a field scale H_{c2,eff}. The angular dependence of the vortex contribution
\lambda(\theta) is in good agreement with the Coffey-Clem model. Structure is
seen in the depairing transition in the vicinity of the upper critical field,
with the existence of well-defined critical fields H_{c2a}, H_{c2b} and
H_{c2c}, with the vortex field scale H_{c2,eff} closest to H_{c2b}. Overall the
measurements indicate that YNi_2B_2C has a rich and unusual field dependence of
its transport parameters.</abstract><doi>10.48550/arxiv.supr-con/9602003</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Superconductivity |
| title | Vortex Response and Critical Fields observed via rf penetration depth measurements on the superconductor YNi_2B_2C |
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