Zobrazeno 1 - 10
of 187
pro vyhledávání: '"Niels Falsig Pedersen"'
We investigate the dynamics of magnetic vortices in type II superconductors with normal state pinning sites using the Ginzburg-Landau equations. Simulation results demonstrate hopping of vortices between pinning sites, influenced by external magnetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::634252f535acaab4bafd91692053b71a
Publikováno v:
Physica C: Superconductivity and its Applications. 503:178-182
Regions with negative differential resistance can arise in the IV curve of Josephson junctions and this phenomenon plays an essential role for applications, in particular for THz radiation emission. For the measurement of high frequency radiation fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ef5a313e30a731646288d36ca0f14ba
https://doi.org/10.1016/j.physc.2014.02.025
https://doi.org/10.1016/j.physc.2014.02.025
Autor:
Mads Peter Sørensen, Asger Bech Abrahamsen, Nenad Mijatovic, Victor M. R. Zermeno, Niels Falsig Pedersen, Bogi Bech Jensen
Publikováno v:
Physics Procedia. 36:786-790
In this work we present a simulation of a synchronous generator with superconducting rotor windings. As many other electrical rotating machines, superconducting generators are exposed to ripple fields that could be produced from a wide variety of sou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5f7cc554b919f20fdd6c67f8fad5dca
Autor:
Victor M. R. Zermeno, Asger Bech Abrahamsen, Bogi Bech Jensen, Niels Falsig Pedersen, C. Træholta, Nenad Mijatovic
Publikováno v:
Physics Procedia. 36:771-776
This paper describes Superwind HTS machine laboratory setup which is a small scale HTS machine designed and build as a part of the efforts to identify and tackle some of the challenges the HTS machine design may face. One of the challenges of HTS mac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb8b98ded412ce653a8eb5ab1efb0274
Autor:
Nenad Mijatovic, Chresten Træholt, V M Rodriguez-Zermeno, E. Seiler, Thomas Zirngibl, Asger Bech Abrahamsen, Niels Falsig Pedersen, Mads Peter Sørensen
Publikováno v:
IEEE Transactions on Applied Superconductivity. 21:3273-3276
This work presents a method to simulate the electromagnetic properties of superconductors with high aspect ratio such as the commercially available second generation superconducting YBCO tapes. The method is based on a multiscale representation for b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54cc995c5941902cd1b205e2cb56d368
https://doi.org/10.1109/tasc.2010.2091388
https://doi.org/10.1109/tasc.2010.2091388
Publikováno v:
Madsen, S, Pedersen, N F & Christiansen, P L 2010, ' Stacked Josephson Junctions ', Physica C: Superconductivity, vol. 470, no. 19, pp. 822-826 . https://doi.org/10.1016/j.physc.2010.02.061
The topic of fluxons in Josephson junctions appears often and in many contexts within superconductivity. The potential applications and the appearance of high-T c superconductivity are some of the reasons for this recently increased interest. Several
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f1e86c2c6e9743a3a605d74ee765c4cb
https://doi.org/10.1016/j.physc.2010.02.061
https://doi.org/10.1016/j.physc.2010.02.061
Autor:
Niels Falsig Pedersen, Søren Madsen
Publikováno v:
IEEE Transactions on Applied Superconductivity. 19:726-729
We consider THz emission due to fluxon dynamics in a stack of inductively coupled long Josephson junctions connected electrically to a resonant cavity. By comparing to experiments on Josephson junction parametric amplifiers we consider the role of a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d6346f5b1a6e98309c18fec93cab22c
https://doi.org/10.1109/tasc.2009.2018770
https://doi.org/10.1109/tasc.2009.2018770
Publikováno v:
Physica C: Superconductivity and its Applications. 468:649-653
The BSCCO type intrinsic Josephson junction has been modeled as a stack of inductively coupled long Josephson junctions, which were described by a system of coupled sine-Gordon equations. In a system of 10 long Josephson junctions coupled to a linear
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::280a0722f2429d99fdd5fc06d54a9041
https://doi.org/10.1016/j.physc.2007.11.029
https://doi.org/10.1016/j.physc.2007.11.029
Publikováno v:
Madsen, S P, Pedersen, N F & Groenbech-Jensen, N 2007, ' Long Josephson Junction Stack Coupled to a Cavity ', IEEE Transactions on Applied Superconductivity, vol. 17, no. 2, pp. 926 . https://doi.org/10.1109/TASC.2007.898049
A stack of inductively coupled long Josephson junctions are modeled as a system of coupled sine-Gordon equations. One boundary of the stack is coupled electrically to a resonant cavity. With one fluxon in each Josephson junction, the inter-junction f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8aa1047bf3f460034f0796ee68aa3554
https://doi.org/10.1109/tasc.2007.898049
https://doi.org/10.1109/tasc.2007.898049
Autor:
Søren Madsen, Niels Falsig Pedersen
Publikováno v:
Superconductor Science and Technology. 20:S1-S5
The Josephson fluxon behaviour in layered BSCCO-type single crystals is modelled by coupled long Josephson junctions described by coupled sine?Gordon equations. Among all the possible solutions, particularly interesting are the so-called in-phase flu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::730712d5417ed23c3c2870ca30d13cee
https://doi.org/10.1088/0953-2048/20/2/s01
https://doi.org/10.1088/0953-2048/20/2/s01