Non-Josephson Emission from Intrinsic Junctions in Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8 +{ital y}} : Cherenkov Radiation by Josephson Vortices
Journal Article
·
· Physical Review Letters
- Physikalisches Institut III, Universitaet Erlangen-Nuernberg, D-91058 Erlangen (Germany)
We have investigated Josephson vortex flow in intrinsic junctions in Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+y}. In addition to the Josephson radiation we find a strong broadband non-Josephson microwave emission which is not expected for conventional junctions. We explain this non-Josephson signal by Cherenkov radiation occurring when the vortex velocity exceeds the lowest of the N possible mode velocities for electromagnetic waves in an N junction stack. {copyright} {ital 1997} {ital The American Physical Society}
- OSTI ID:
- 560634
- Journal Information:
- Physical Review Letters, Vol. 79, Issue 7; Other Information: PBD: Aug 1997
- Country of Publication:
- United States
- Language:
- English
Similar Records
Collective motion of Josephson vortices in intrinsic Josephson junctions in Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+y}
Josephson vortex flow in Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub y} intrinsic Josephson junctions
Relationship between the Out-Of-Plane Resistance and the Subgap Resistance of Intrinsic Josephson Junctions in Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8 +{ital {delta}}}
Journal Article
·
Sun Jun 01 00:00:00 EDT 1997
· Physical Review, B: Condensed Matter
·
OSTI ID:560634
+3 more
Josephson vortex flow in Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub y} intrinsic Josephson junctions
Journal Article
·
Mon Dec 20 00:00:00 EST 1999
· International Journal of Modern Physics B
·
OSTI ID:560634
Relationship between the Out-Of-Plane Resistance and the Subgap Resistance of Intrinsic Josephson Junctions in Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8 +{ital {delta}}}
Journal Article
·
Mon Dec 01 00:00:00 EST 1997
· Physical Review Letters
·
OSTI ID:560634
+2 more