Gunnar Ulrich Klinkhammer

Affiliations: 
2007- AHL at Man Investment 
Area:
Quantitative investment
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"Gunnar Ulrich Klinkhammer"
Bio:

Klinkhammer, Gunnar Ulrich, Multiply connected spacetimes and closed timelike curves in semiclassical gravity. Dissertation (Ph.D.), California Institute of Technology (1992).
http://www.columbia.edu/~hz2244/risk/2011S.html
Dr. Gunnar Klinkhammer received his Ph.D. in Theoretical Physics from Caltech in 1992. After working for Capital Management Sciences, a bond portfolio analytics provider in Los Angeles, he moved to London to work as a researcher on the bond trading floor of Goldman Sachs International. Since 2007, he has worked for AHL, a $23 billion London-based fund that is managed entirely with statistical trading models. Dr. Klinkhammer's career in the last decade included several years devoted to building a portfolio as a freelance photographer, with assignments in fashion and advertising.
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Kip S. Thorne grad student 1992 Caltech
 (Multiply connected spacetimes and closed timelike curves in semiclassical gravity.)
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Publications

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Klinkhammer G. (2019) Vacuum polarization of scalar and spinor fields near closed null geodesics. Physical Review. D, Particles and Fields. 46: 3388-3394
Klinkhammer G. (2019) Averaged energy conditions for free scalar fields in flat spacetime. Physical Review. D, Particles and Fields. 43: 2542-2548
Echeverria F, Klinkhammer G, Thorne KS. (1991) Billiard balls in wormhole spacetimes with closed timelike curves: Classical theory. Physical Review D: Particles and Fields. 44: 1077-1099
Friedman J, Morris MS, Novikov ID, et al. (1990) Cauchy problem in spacetimes with closed timelike curves. Physical Review D: Particles and Fields. 42: 1915-1930
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