Leopoldo Soto Norambuena

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In this
Spanish name, the first or paternal surname
is Soto and the second or maternal family name is Norambuena.
Leopoldo Soto Norambuena
Pontificia Universidad Católica de Chile
Known forDense plasma focus
Scientific career
FieldsPhysics
Doctoral advisorHernán Chuaqui

Leopoldo Soto Norambuena (born October 14, 1964) is a Chilean physicist. He works at the Comisión Chilena de Energía Nuclear where he founded the Plasma Physics and Nuclear Fusion Laboratory. His main contributions are in

plasma physics
in particular).

The group that he created and leads is a pioneer[tone] in the miniaturization of dense plasma focus[1] devices which can reproduce, on a scale basis, similar physics as the ones obtained in[needs copy edit] large devices which are only available in large laboratories of the world.[2]

He received the B.S., M.S. and Ph.D. degrees in Physics in 1989, 1990 and 1993, respectively, from the

Pontificia Universidad Católica de Chile. His Ph.D. thesis was advised by Hernán Chuaqui. His Ph.D. was the first to be granted by a Chilean University for a thesis in experimental physics. The results of his thesis were published in the journal Physical Review Letters,[3]
.

When he arrived at the Comisión Chilena de Energía Nuclear, he started to work in plasmas driven by small transient electrical discharges and small pulsed power devices: z-pinch, capillary discharges and plasma focus.

Alfvén speed and the quantity of energy per particle.[2] Therefore, fusion reactions are possible to be obtained in ultra-miniaturized devices (driven by generators of 0.1 Joules for example),[5] as well as they are obtained in bigger devices (driven by generators of 1 megajoule). However, the stability of the plasma pinch highly depends on the size and energy of the device.[2]

A rich plasma phenomenology it has been observed in the table-top plasma focus devices developed by Soto's group: filamentary structures,[6] toroidal singularities,[7] plasma bursts[8] and plasma jets generations.[9] In addition, possible applications are explored using these kind of small plasma devices: development of portable generator as non-radioactive sources of neutrons and x-rays for field applications,[10][11] pulsed radiation applied to biological studies, plasma focus as neutron source for nuclear fusion-fission hybrid reactors,[12] and the use of plasma focus devices as plasma accelerators for studies of materials under intense fusion-relevant pulses.[13]

References

  1. hdl:10533/176861
    .
  2. ^
    S2CID 122162772. Archived from the original
    (PDF) on 9 February 2020.
  3. PMID 10056011
    .
  4. hdl:11336/136317
    .
  5. hdl:11336/67569
    .
  6. doi:10.1063/1.4886135
    .
  7. S2CID 121105885
    .
  8. hdl:11336/180619
    .
  9. doi:10.1063/1.4919260
    .
  10. hdl:10533/141980
    .
  11. S2CID 30726899
    .
  12. hdl:11336/33206
    .
  13. doi:10.1088/0029-5515/55/9/093011
    .

External links
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