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Achieving the Quantum Fisher Information Bound in Pseudo-Hermitian Sensors

Ievgen I. Arkhipov1,*, Franco Nori2,3, and Şahin K. Özdemir4

  • 1Joint Laboratory of Optics of Palacký University and Institute of Physics of CAS, Faculty of Science, Palacký University, 17. listopadu 12, 771 46 Olomouc, Czech Republic
  • 2Quantum Information Physics Theory Research Team, Quantum Computing Center, RIKEN, Wakoshi, Saitama 351-0198, Japan
  • 3Physics Department, The University of Michigan, Ann Arbor, Michigan 48109-1040, USA
  • 4Department of Electrical and Computer Engineering, Saint Louis University, St. Louis, Missouri 63103, USA

  • *Contact author: ievgen.arkhipov@upol.cz

Fundamental limits of non-Hermitian sensing from quantum Fisher information

Jan Wiersig and Stefan Rotter

Rep. Prog. Phys. 89 067501 (2026)

Covariant formulation of the Berry connection in non-Hermitian systems

Ievgen I. Arkhipov

Phys. Rev. Research 8 033037 (2026)

Squeezing properties and parameter estimation in a driven Swanson oscillator damped in a thermal reservoir

Jing-yang Li and Yaping Yang

Phys. Rev. A 114 013706 (2026)

Parameter trajectory engineering for state transfer and quantum sensing in non-Hermitian two-level systems

Qi-Cheng Wu, Yan-Hui Zhou, Biao-liang Ye, Tong Liu, Yi-Hao Kang, Qi-Ping Su, and Chui-Ping Yang

Phys. Rev. A 114 022610 (2026)

Liouvillian exceptional points in quantum brickwork circuits

Vladislav Popkov and Mario Salerno

Phys. Rev. A 113 043525 (2026)

Precision assessment in non-Hermitian systems: a comparative study of three formalisms

Javid Naikoo, Ravindra W Chhajlany, Jan Kołodyński, and Adam Miranowicz

New J. Phys. 28 034508 (2026)

Non-Hermitian Dynamics in Three-Level Systems: A Perturbative Approach for Time-Dependent Hamiltonians

Guixiang La, Yexin Li, and Gongping Zheng

Entropy 28 268 (2026)

Quantum Metrology in Anti‐PT‐Symmetric Systems

Weijian Jiang, Xinglei Yu, and Chengjie Zhang

Adv Quantum Tech 9 e00742 (2026)

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