type i & ii superconductorsfulling/qvac12/colloquium...seven years earlier, ning li, a theorist...

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Page 1: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor
Page 2: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor
Page 3: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Type I & II Superconductors

Page 4: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor
Page 5: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Podkletnov specifies at least 50 kHz magnetic field

Page 6: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor
Page 7: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor
Page 8: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Podkletnov specifies at least 50 kHz magnetic field

Page 9: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor
Page 10: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Hathaway Levitation Results

• Podkletnov specifies at least 50 kHz and a

coarse powder disc

Frequency Coil Core SC Type Coolant Levitation

60 Hz Soft Iron Melt Textured Li Ni Yes

100 - 2000 Hz Soft Iron Melt Textured Li Ni No

5000 Hz Air fine powder YBCO Li He Yes

>5000 Hz Air fine powder YBCO Li He No

100000 Hz Air any Li He No

Page 11: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor
Page 12: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Ueda & Smolyak

Page 13: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Bean’s Model

Page 14: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Bean’s Model - Hysteresis

Page 15: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor
Page 16: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Bean’s Model

Page 17: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Cornell Application

Page 18: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor

Acknowledgements

Dr. Stephen PateDr. Stephen Fulling

Page 19: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor
Page 20: Type I & II Superconductorsfulling/qvac12/colloquium...Seven years earlier, Ning Li, a theorist who worked with NASA's Marshall center. had developed a theory sug- that a superconductor