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October 13, 2025Open Access

Nonuniform superconducting states caused by odd-frequency Cooper pairs

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Authors

TSTakumi SatoSHSatoru HayamiSKShingo Kobayashi

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Overview

Theoretical analysis reveals nonuniform superconducting states arise from odd-frequency Cooper pairs, indicating a new phase behavior.

Key Points

  • Nonuniform superconducting states are linked to Cooper pairs with finite center of mass momentum, disrupting uniform phases.
  • Odd-frequency Cooper pairs stabilize nonuniform superconducting phases below the transition temperature, while even-frequency pairs do not.
  • Analysis of pair fluctuation propagators highlights the instability leading to nonuniform states in weak coupling superconductors.
  • The study provides a theoretical framework for understanding the emergence of nonuniform superconducting states.

Cite This Study

Sato et al. (2025) studied this question.

synapsesocial.com/papers/68ece2abd1bb2827d129734chttps://doi.org/10.48550/arxiv.2503.01673
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