Welcome to my homepage

picture picture

Gerd Breitenbach, physicist, Muenchen, born 1964

My wife Yoshie with our two children Tayuki and Sachiye


My previous research: Experimental laser physics, quantum noise of light, Wigner functions, quantum state reconstruction, nonlinear optics, cryogenic mechanical oscillators, optomechanical sensors, spectral analysis, robotics, triangulation, game development, (list of publications) .

Quantum States of Light, an introduction to quantum optics

Crystals and Light, a virtual polarization microscope

Curves of planetary motion in geocentric perspective: Epitrochoids

Vibrating strings, musical intervals and the curves of Lissajous.

Arnold's cat, Chaos and Poincaré recurrence.

Waldorfschule: Fractions --- Quadratic Equations --- Graphs and Functions --- Perl tutorial (german).

Geometry, Cubism and Quantum Mechanics

Kubismus und Quantenmechanik, Vortrag 2012 (PDF)    (ppt-Version)   

Cubism and Quantum Mechanics, talk 2012 (PDF)   

European Talent Academy      


The Physics of climate and energy Summary 2008   Summary 2009   Summary 2010  
The Mathematics of games Summary 2011   Summary 2012   Summary 2013    The heart of Nakayama 
Entropy Summary 2014,    Belousov-Zhabotinski-Experiment,  
Brownian Motion Cream+Water,   Brownian Motion Cream+Water (phase contrast) 

Mountain Gliding Congregation


Travels amongst the great Andes with a paraglider.

Sleeping beauty

Alp Weissenberg, big cheese, high air, and sweet cows

Connection Games

Authors: Markus Hagenauer, Gerd Breitenbach
We developed new types of connection games, playable for two persons.

Topology description, german PDF-file

Topology, link to the publisher

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Tomoe description, german PDF-file

Tomoe description, english PDF-file

Tomoe link to the publisher

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Sheet music / Noten, free download

   Lullaby of Broadway    choir, easy, 3 voices / Chor, dreistimmig
   You'll never walk alone    choir, easy, 3 voices / Chor, dreistimmig
   Im Atemholen sind zweierlei Gnaden    choir, 3 voices / Chor, dreistimmig
   Moskauer Nächte (dt.)    choir, easy, 3 voices / Chor, dreistimmig
   Die Lilililileilafee    choir, easy, 4 voices / Chor, vierstimmig
   Leihlied bei Ungewinster   Erich Fried, for 2 Sopranos + piano
   Nicaragua, Nicaraguita    choir, 4 voices, not from me, but I'm quite attached to it...

   Die Grine Kuzine    instr. arr. Yoshie, 4-8 voices
   Chosn kale Mazeltov    instr. arr. Yoshie, 4-8 voices

Liederzyklus Selma Meerbaum-Eisinger, Mezzosopran + Piano

   Ich bin die Nacht   
   Es ist so viel buntes Geschehen   
   Welke Blätter   


    Papirosn    Klezmer, jiddish songs, rumanian and bulgarian folk, heavy shtetl am Bodensee
    The Mazeltones   Best Klezmer band in Seattle / sleepless in Roumania
    Freylakh   Klezmer in Seattle
   Você e Eu   Bossa Nova in München
   Bete Carvalho-Leuchinger voc,g, Gerd Breitenbach alto clar, Bossa Nova Duo, München
   Cordula Boehm voc, Gerd Breitenbach p, sephardic songs, München, Zürich
   Andreas Keutterling p, Gerd Breitenbach alto clar, Georg Foerth b, Cool Jazz, München
   Carmen Delbaere voc, Gerd Breitenbach alto clar, Georg Wiedmann g, Bossa Nova, München

Contact:   higobreitenbach@arcor.de