Europhysics News

, Volume 28, Issue 1, pp 18–20 | Cite as

Polarization as a Berry Phase

  • R. Resta


The macroscopic polarization of a crystalline dielectric is best defined as a Berry phase of the electronic Bloch wavefunctions, a feature that is best exemplified by the spontaneous polarization of a ferroelectric crystal for which a microscopic theory was previously unavailable.


Spontaneous Polarization Microscopic Theory Berry Phase Ferroelectric Crystal Macroscopic Polarization 
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Copyright information

© European Physical Society in Cooperation with Springer-Verlag 1997

Authors and Affiliations

  • R. Resta
    • 1
  1. 1.Dipartimento di Fisica TeoricaUniversità di TriesteGermany

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