A universal quantum circuit scheme for finding complex eigenvalues

Anmer Daskin, Ananth Grama, Sabre Kais

Research output: Contribution to journalArticle

8 Citations (Scopus)


We present a general quantum circuit design for finding eigenvalues of non-unitary matrices on quantum computers using the iterative phase estimation algorithm. In addition, we show how the method can be used for the simulation of resonance states for quantum systems.

Original languageEnglish
Pages (from-to)333-353
Number of pages21
JournalQuantum Information Processing
Issue number2
Publication statusPublished - 1 Feb 2014



  • Complex eigenvalues
  • Phase estimation
  • Quantum algorithms
  • Quantum circuits
  • Resonance states

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Statistical and Nonlinear Physics
  • Signal Processing
  • Modelling and Simulation
  • Theoretical Computer Science

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