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Physics
Nicholas Engelbert's user avatar
Nicholas Engelbert's user avatar
Nicholas Engelbert's user avatar
Nicholas Engelbert
  • Member for 4 years
  • Last seen more than 1 year ago
  • Brazil
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Graduated with a bachelor's degree in physics from Federal University of Paraná, currently studying for a master's degree.

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question
5
Why is the Lorentz boost a non-unitary operator in the single electron theory?
Apr 29, 2021
question
4
Why does spin, and not total angular momentum, couple to the magnetic field in a Stern-Gerlach experiment?
Feb 12, 2021
question
4
Dirac spinor's non-unitary representation of the Poincaré group leads me to conclude that Dirac spinors are not "quantum states" in the usual sense
Jun 20, 2021
question
4
Hilbert space and wave functions of single-particle states in QFT (Weinberg)
Aug 2, 2021
answer
3
Potential well with 2 delta potentials
Jan 26, 2021
question
2
Does every Hilbert space contain the generators of the Poincaré algebra?
Feb 12, 2021
question
2
Stern-Gerlach with particles that are not electrically neutral. Can I "ignore" the Lorentz force?
Mar 23, 2021
question
2
Effects of a Lorentz boost on the normalization of a probability density (Dirac equation)
Jun 14, 2021
answer
2
Sakurai Quantum Mechanics - Definition of Matrix Elements
Aug 6, 2021
answer
2
Relativistic velocity addition
Sep 28, 2021