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researcher

Niklas Johansson

22 papers hereh-index 15957 citations38 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author8
  • middle author7
  • last author7

Across the 22 of 22 papers where every author was matched, so the position is known.

fields
  • hep-th15
  • quant-ph7
same name
  • Niklas Johansson — 3 papers, h 3

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20032021
most citedInstability in cosmological topologically massive gravity at the chiral point

258 citations · 779 across the 22 of their papers we have counts for

collaborators
Showing 2003 · quant-phShow all

1 paper · 2 filters

quant-ph2003★ 26 cited

Optimal Topological Test for Degeneracies of Real Hamiltonians

Niklas Johansson, Erik Sjöqvist

We consider adiabatic transport of eigenstates of real Hamiltonians around loops in parameter space. It is demonstrated that loops that map to nontrivial loops in the space of eige…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.