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On dissipative radiation and Quantum Forces Carlos Villarreal, Instituto de Física, UNAM ELAF, Colegio Nacional, julio de 2013.

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Presentation on theme: "On dissipative radiation and Quantum Forces Carlos Villarreal, Instituto de Física, UNAM ELAF, Colegio Nacional, julio de 2013."— Presentation transcript:

1 On dissipative radiation and Quantum Forces Carlos Villarreal, Instituto de Física, UNAM ELAF, Colegio Nacional, julio de 2013

2 Rocío Jáuregui, IFUNAM Shahen Hacyan, IFUNAM Luis Mochán, ICF Raúl Esquivel, IFUNAM Cecilia Noguez, IFUNAM Michael Lomnitz, Kent U.

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5 I mentioned my results to Niels Bohr, during a walk. That is nice, he said. That is something new. I told him that I was puzzeld by the extremely simple form of the expressions for the interaction at very large distances and he mumbled something about zero-ponit energy. That was all, but it put me on a new track. H. B. G. Casimir (March 1992) Hendrik Brugt Gerhard Casimir (1909-2000)

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7 R Casimir Effect (1948)

8 Casimir force in dispersive media Lifshitz (1956)

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10 Thermal corrections to Casimir force

11 Matsubara frequencies:

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13 Derjaguin et al. (1951)

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17 R = 98 microns A = 35 nm

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34 With no impurities!

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43 Bound electrons: harmonic oscillations Free electrons: scattering Impurity scattering Electron-phonon scattering Electron-electron scattering

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52 pN Al – Al (Mohideen 1998) R = 98 microns; A = 35 nm L (microns)

53 Au – Au (Mohideen 2000) R = 95.5 mu z0 = 32.7 nm ; A rms = 1 nm pN L (mu)

54 Au – Au (Dalvit 2000) R = 15.6 cm A = 40 nm pN/mu L (mu)

55 Au – Cu (Decca 2003) R = 148 microns; A = ? L (mu) pN


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