International Journal of Theoretical Physics

, Volume 57, Issue 9, pp 2828–2830 | Cite as

Geometric Phase and Quantum Phase Transition in Charge-Qubit Array

  • Kun Liu
  • Shujuan YiEmail author


The geometric phase, being a measure of the curvature of the Hilbert space, is able to capture drastic changes in the properties of the ground state. In superconducting-qubit array, the relations of geometric phase and the quantum phase transition are addressed in detail. The results show that the derivative of the geometric phase with respect to the interqubit couplings strength could reflect the typical features of quantum criticality.


Geometric phase Quantum phase transition Charge-qubit array 


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Authors and Affiliations

  1. 1.College of Electrical and InformationHeilongjiang Bayi Agricultural UniversityDaqingChina
  2. 2.College of EngineeringHeilongjiang Bayi Agricultural UniversityDaqingChina

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