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Bass
  • Member for 9 years, 4 months
  • Last seen more than 1 year ago
  • Zürich, Switzerland
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Freelancing software engineer and architect, working mostly on web applications, but also databases, services, enterprise, desktop and mobile applications.

Self-learner in theoretical physics and pure math, currently QFT, Differential Geometry and GR.

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question
11
Why is a minimum field configuration called a vacuum state in SSB?
Aug 12, 2016
question
11
How to show that $\bar\psi\gamma^\mu\psi$ of a Dirac spinor $\psi$ transforms as a vector?
Nov 22, 2015
question
9
Relativistic explanation of attraction between two parallel currents
Oct 22, 2015
question
8
How to show that $\bar\psi\psi$ of a Dirac spinor $\psi$ transforms as a scalar?
Nov 21, 2015
question
7
What prevents this third-order QED scattering from having a non-zero amplitude?
Jan 18, 2016
question
7
Infinitesimal rotation of classical fields: why are rotation group representations important?
Sep 7, 2015
answer
5
How to define pseudovector mathematically?
Feb 12, 2016
question
5
Why are there both scalar and vector mesons?
Mar 16, 2017
question
5
Why do magnetic field lines describe a force?
Oct 11, 2015
question
4
Does spacetime curvature increase when an attractor's potential energy is converted to kinetic energy?
Jul 29, 2015
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2016 Moderator Election Q&A - Question Collection
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How to tell a colleague who always apologizes for noise, that his apologies are more annoying than the noise itself
10
Keyboard does not disappear after viewDidDisappear on iOS 7
7
Show that if $\Omega_1,\Omega_2$ are tangent vectors of curves in $SO(3)$ then $[\Omega_1,\Omega_2]\in\mathfrak{so}(3)$
6
How to prove $d\omega=(\nabla_\mu\omega)_\nu dx^\mu\wedge dx^\nu$ without using coordinates
5
Why can one discriminate between the trivial $S^1$ line bundle and the Möbius strip by knowing the fibre transformation group?