Temat: Josephson junction - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Perspective on basic architectures and properties of unconventional and Field Induced Josephson junction devices
Autorzy:: Pomorski, K.
Prokopow, P
Powiązania:: https://bibliotekanauki.pl/articles/397965.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: uJJ Josephson junction arrays
FIJJ Josephson junction arrays
uJJ Josephson junction matrices
FIJJ Josephson junction matrices
uJJ fault current limiter
FIJJ fault current limiter
various geometries of Ujj
various geometries of FIJJ
uJJ SQUID
FIJJ SQUID
relaxation algorithm
złącze Josephsona uJJ
złącze Jospphsona FIJJ
matryce złącz Josephsona
ogranicznik prądu zwarciowego
algorytm relaksacyjny
Opis:: We present the concept of unconventional and Field Induced Josephson junction (uJJ and FIJJ) and devices built from them. They can be made by placement of ferromagnetic strip on top of a superconducting strip. In such case modulation of superconducting order parameter and magnetization is obtained. Furthermore we can build tunable Josephson junction arrays, which can be tuned by applying external magnetic ﬁeld to some circuit element(s). We present the superconducting order parameter distributions obtained from extended Ginzburg-Landau functional, which includes the coexistence of superconducting order parameter and magnetization. We present the case of SQUID built in uJJ and FIJJ architecture and current limiter.
Źródło:: International Journal of Microelectronics and Computer Science; 2013, 4, 3; 110-115
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Reduced order hybrid function projective combination synchronization of three Josephson junctions
Autorzy:: Ojo, K. S.
Njah, A. N.
Ogunjo, S. T.
Olusola, O. I.
Powiązania:: https://bibliotekanauki.pl/articles/229696.pdf
Data publikacji:: 2014
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: function projective synchronization
Josephson junction
backstepping control
chaos
reduced order synchronization
combination synchronization
Opis:: In this paper, we examine reduced order hybrid function projective combination synchronization of three chaotic systems consisting of: (i) two third chaotic Josephson junctions as drives and one second order chaotic Josephson junction as response system; (ii) one third order chaotic Josephson junction as the drive and two second order chaotic Josephson junctions as the slaves using active backstepping technique. The analytic results confirm the realization of reduced order hybrid function projective combination synchronization using active backstepping technique. Numerical simulations are performed to validate the analytical results.
Źródło:: Archives of Control Sciences; 2014, 24, 1; 99-113
1230-2384
Pojawia się w:: Archives of Control Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Application of Intrinsic Quantized Flux of Electrons and Holes in Josephson Junctions
Autorzy:: Saglam, Z.
Boyacioglu, B.
Powiązania:: https://bibliotekanauki.pl/articles/1029958.pdf
Data publikacji:: 2018-05
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: intrinsic flux of electron and hole
quantum flux
superconductivity
Josephson junction
Opis:: The aim of this study is to investigate the influence of spin degrees of freedom on the flux quantization in a 2D Josephson junction. One of the most important properties of the Josephson structures is the total quantum flux which can be related to the phase difference across the junction. For example the sign of the phase difference controls the direction of the Josephson current while the magnitude of the phase difference affect the critical current itself. So far in literature to calculate the total quantum flux in the Josephson structures only the flux of the external magnetic field (and hence the external vector potential) has been considered but the intrinsic quantum flux of correlated electrons and holes have not been taken into account. We have recently calculated the intrinsic quantized magnetic flux of electrons and holes. We showed that depending on the spin orientations, the spin contribution to the quantized intrinsic flux of a correlated electron is equal to (Φ_{int}=±(g*Φ_{0})/2). Here g* is the effective Landé g-factor and Φ_{0} is the unit of flux (fluxoid). In the present study we calculate the above mentioned phase differences across the junction considering the intrinsic quantum flux of electrons and holes. For electrons the additional flux contribution will be: ΔΦ_{int}=±(g_{e}*Φ_{0})/2 and for holes, the related contribution will be: ΔΦ_{int}=±(g_{h}*Φ_{0})/2. We show that, for both charge carriers, the effective Landé g-factors (g_{e}*,g_{h}*), take only even integer values such as (0,2,4,...). The present calculations can be easily extended to the intrinsic Josephson junctions as well. We found that flux contribution to the total flux due to spin is very important and it is in fact ±Φ_{0}/2 depending on the spin up and down cases or the ground state.
Źródło:: Acta Physica Polonica A; 2018, 133, 5; 1129-1132
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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