Physics
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- Inventor(s):
- Boldizsár Jankó, Cynthia Reichhardt, Charles Reichhardt, Dipanjan Ray
- Patent Number:
- US 9082923 B2
- Description:
Disclosed is a method and apparatus for strongly enhancing vortex pinning by conformal crystal arrays. The conformal crystal array is constructed by a conformal transformation of a hexagonal lattice, producing a non-uniform structure with a gradient where the local six-fold coordination of the pinning sites is preserved, and with an arching effect. The conformal pinning arrays produce significantly enhanced vortex pinning over a much wider range of field than that found for other vortex pinni…
- Date Issued:
- 2015-07-14
- Record Visibility:
- Public
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- Inventor(s):
- Albert-László Barabási, Boldizsár Jankó, Choongseop Lee, Imre Derenyi
- Patent Number:
- US 6469880 B2
- Description:
A system and method for removing unwanted magnetic flux from a superconductor. A device can generate a controllable electric field potential using an asymmetric electric field potential to efficiently remove the magnetic flux in different directions in the superconductor.
- Date Issued:
- 2002-10-22
- Record Visibility:
- Public