About me

About me

This is the personal home page of
Manuel Philipp Walker, PhD, Physicist

As you may have guessed, traveling and photography are two things I really like. In the hope that other people may find my photography enjoyable or even inspiring, I have built this page.

Nobody disputes that nature is beautiful and full of aesthetics. Photography is a great way of combining this beauty with creativity. And it is a unique interplay between creativity and physics, which, by the laws of optics, dictates what is possible and what is not. And physics, which is a lot about symmetry, is just another way of looking at our world and reveals the beauty of nature in every aspect. (I must admit that some people do dispute this.)

At academic high school, my math and physics teacher once had to answer the question of what mathematics was good for and why it was worth struggling with. He would just answer: "Mathematics is beautiful. This is reason enough."
Don't believe it? Then have a look at the Fractal Explorer on this site, and you'll change your mind.

Despite the fact tht I have been working for the financial industry for almost twenty years now, the things I might have a reason to be proud of date back to my physics days. This is why I couldn't do without including a list of publications.

Publications

2003

Physical Review D 69 074007

Virtual- and Bremsstrahlung Corrections to
\( b\rightarrow d\, \ell^+ \ell^- \) in the Standard Model

H.M. Asatrian, K. Bieri, C. Greub and M. Walker

Archive: PDF

2002

PhD thesis

QCD Corrections to the Rare Decays
\( B \rightarrow X_s\, \ell^+ \ell^- \) and \( B \rightarrow X_d\, \ell^+ \ell^- \) in the Standard Model

Manuel Walker, supervised by Prof. Dr. C. Greub

Archive: PDF

2002

Physical Review D 66 034009

Complete gluon bremsstrahlung corrections to the process \( b \rightarrow s\, \ell^+ \ell^- \)

H.H. Asatryan, H.M. Asatrian, C. Greub and M. Walker

Archive: PDF

2002

Physical Review D 65 074004

Calculation of Two-loop Virtual Corrections to \( b \rightarrow s\, \ell^+ \ell^- \)

H.H. Asatryan, H.M. Asatrian, C. Greub and M. Walker

Archive: PDF

2001

JHEP Conference Proceedings

Results of the \( O(\alpha) \) Two-loop Virtual Corrections to \( B \rightarrow X_s\, \ell^+ \ell^- \) in the Standard Model

C. Greub and M. Walker

Archive: PDF

2001

Physics Letters B 507 162

Two-loop Virtual Corrections to \( B \rightarrow X_s\, \ell^+ \ell^- \) in the Standard Model

H.H. Asatryan, H.M. Asatrian, C. Greub and M. Walker

Archive: PDF

1998

Diploma Thesis

\( \eta \rightarrow 3 \pi \)

Manuel Walker, supervised by Prof. Dr. H. Leutwyler

Archive: PDF
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