scholarly journals Reversible ratchet effects in a narrow superconducting ring

2021 ◽  
Vol 103 (1) ◽  
Author(s):  
Ji Jiang ◽  
Yong-Lei Wang ◽  
M. V. Milošević ◽  
Zhi-Li Xiao ◽  
F. M. Peeters ◽  
...  
Keyword(s):  
Superconducting Ring ◽  
Ratchet Effects

Ratchet effects in superconducting ring-shaped devices

2017 ◽  
Vol 30 (10) ◽  
pp. 105003 ◽  
Author(s):  
Jiangdong Ji ◽  
Xingyu Jiang ◽  
Jie Yuan ◽  
Ge He ◽  
Biaobing Jin ◽  
...  
Keyword(s):  
Superconducting Ring ◽  
Ratchet Effects

scholarly journals Upper Frequency Limits for Vortex Guiding and Ratchet Effects

2020 ◽  
Vol 13 (2) ◽  
Author(s):  
O.V. Dobrovolskiy ◽  
E. Begun ◽  
V.M. Bevz ◽  
R. Sachser ◽  
M. Huth
Keyword(s):  
Ratchet Effects

INTERACTION OF MESOSCOPIC JOSEPHSON JUNCTION WITH A SUCCESSIVE SQUEEZED COHERENT FIELD

2000 ◽  
Vol 14 (16) ◽  
pp. 609-618
Author(s):  
V. A. POPESCU
Keyword(s):  
Coherent State ◽  
Josephson Junction ◽  
Coherent States ◽  
Quantum Noise ◽  
Shapiro Steps ◽  
Superconducting Ring ◽  
Coherent Field ◽  
Current Voltage ◽  
Quantum Current ◽  
The Difference

Signal-to-quantum noise ratio for quantum current in mesoscopic Josephson junction of a circular superconducting ring can be improved if the electromagnetic field is in a successive squeezed coherent state. The mesoscopic Josephson junctions can feel the difference between the successive squeezed coherent states and other types of squeezed coherent states because their current–voltage Shapiro steps are different. We compare our method with another procedure for superposition of two squeezed coherent states (a squeezed even coherent state) and consider the effect of different large inductances on the supercurrent.

Operation of a Levitated Superconducting Ring in a Plasma Physics Experimental Device

1971 ◽  
Vol 42 (1) ◽  
pp. 6-9 ◽  
Author(s):  
J. File ◽  
G. D. Martin ◽  
R. G. Mills ◽  
K. E. Wakefield
Keyword(s):  
Plasma Physics ◽  
Experimental Device ◽  
Superconducting Ring

Buckling of a Superconducting Ring in a Toroidal Magnetic Field

1979 ◽  
Vol 46 (1) ◽  
pp. 151-155 ◽  
Author(s):  
F. C. Moon
Keyword(s):  
Magnetic Field ◽  
Theoretical Model ◽  
Toroidal Magnetic Field ◽  
Magnetic Fusion ◽  
Poloidal Field ◽  
Superconducting Ring ◽  
Tokamak Reactors ◽  
Linear And Nonlinear ◽  
Mode A ◽  
Theory And Experiment

Experimental evidence and a theoretical model are presented for the magnetoelastic buckling of a rigid superconducting ring in a steady circumferential (toroidal)magnetic field. The theoretical model predicts a coupled translation and pitch displacement of the coil in the buckled mode. A discussion is given of both the linear and nonlinear magnetic perturbation forces. The experiments were conducted in liquid helium (4.2°K). The lowest natural frequency of the rigid coil on elastic springs was observed to decrease near the buckling current. Agreement between theory and experiment is fair. These results may have design implications for poloidal field coils in magnetic fusion Tokamak reactors.

scholarly journals Development of Sector Magnets for the RIKEN Superconducting Ring Cyclotron. Superconducting Coils and Their Cryogenic Stabilization.

1999 ◽  
Vol 34 (8) ◽  
pp. 414-423
Author(s):  
Takeo KAWAGUCHI ◽  
Hiroki OKUNO ◽  
Akira GOTO ◽  
Toshinori MITSUMOTO ◽  
Toshiharu TOMINAKA ◽  
...  
Keyword(s):  
Ring Cyclotron ◽  
Superconducting Ring ◽  
Superconducting Coils

scholarly journals Ratchet Effects Induced by Terahertz Radiation in Heterostructures with a Lateral Periodic Potential

2009 ◽  
Vol 103 (9) ◽  
Author(s):  
P. Olbrich ◽  
E. L. Ivchenko ◽  
R. Ravash ◽  
T. Feil ◽  
S. D. Danilov ◽  
...  
Keyword(s):  
Terahertz Radiation ◽  
Periodic Potential ◽  
Ratchet Effects
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