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  • Building Bitter Coils for Our Lithium Experiment

    Building Bitter Coils for Our Lithium Experiment

    For our lithium experiment, we needed a compact coil pair that can produce large magnetic fields while still being able to run continuously without turning itself into a toaster. A nice solution for this is a Bitter-type electromagnet, following the design idea from Sabulsky et al. Instead of winding copper wire, Bitter coils are built…

  • Master Thesis Digital Appendix

    Animation 01: Appearing of the radio-frequency induced Floquet-Feshbach resonances around the narrow I = 2 resonance. Animation 02: Interference between the (I = 0,N0 + 1) and (I = 2,N0) resonances.

  • My Cheap eBay CNC “Mill”

    My Cheap eBay CNC “Mill”

    A few years ago, I bought a small chinese CNC machine on eBay. It was a 3020, meaning about 30 × 20 cm of travel, with an 800 W water-cooled spindle, a variable frequency drive, and control through an old-school lpt port from a computer. Since the spindle was water-cooled, the setup even came with…

  • Entropy of Languages

    Entropy of Languages

    Humans developed the extraordinary capability of verbal communication. We can convey our thoughts and ideas in written or spoken word. This is a process of transferring information from one entity to another, much like computers on the internet. During every transfer of information, errors can occur, corrupting the message. Therefore methods of detecting errors are…

  • Bachelor’s thesis

    In the year 2020, I finished my bachelor’s thesis in the group of Artur Widera at the University of Kaiserslautern. It is titled “Numerical simulations of the Gross-Pitaevskii-Equation in dynamic disorder potentials”. The Gross-Pitaevskii-Equation, GPE for short, is a nonlinear Schrödinger equation that describes the behavior of Bose-Einstein-Condensates produced in ultracold atoms experiments. I’ve implemented…

  • Numerical solution of the Gross-Pitaevskii-Equation

    When matter is cooled down to extreme temperatures near absolute zero strange but fascinating things happen. There are two fundamental groups of particles, Bosons, and Fermions which behave differently at $T=0\text{K}$. While Bosons will all occupy the same quantum mechanical ground-state, two Fermions will never occupy the same quantum state. The phenomenon for Bosons to…

  • What this blog is about

    Mainly about quantum mechanics, electronics, and related stuff. I am working on and have worked on many different things regarding physics and related subjects. This blog is meant to be documentation and part of this process. Putting one’s thoughts and ideas into written words helps to clarify and gain a better understanding of the subject.