In this article we derive a closed form expression for the incompatibility condition in multi-parameter quantum metrology when the reference states are Fermionic Gaussian states. Together with the quantum Fisher information, the knowledge of the compatibility condition provides a way of designing optimal measurement strategies for multi-parameter quantum estimation. Applications range from quantum metrology with thermal states to non-equilibrium steady states with Fermionic and spin systems.
Carollo, A., Spagnolo, B., & Valenti, D. (2019). Incompatibility in Multi-Parameter Quantum Metrology with Fermionic Gaussian States. PROCEEDINGS, 12(1), 34-40.
Data di pubblicazione: | 2019 |
Titolo: | Incompatibility in Multi-Parameter Quantum Metrology with Fermionic Gaussian States |
Autori: | |
Citazione: | Carollo, A., Spagnolo, B., & Valenti, D. (2019). Incompatibility in Multi-Parameter Quantum Metrology with Fermionic Gaussian States. PROCEEDINGS, 12(1), 34-40. |
Rivista: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.3390/proceedings2019012034 |
Abstract: | In this article we derive a closed form expression for the incompatibility condition in multi-parameter quantum metrology when the reference states are Fermionic Gaussian states. Together with the quantum Fisher information, the knowledge of the compatibility condition provides a way of designing optimal measurement strategies for multi-parameter quantum estimation. Applications range from quantum metrology with thermal states to non-equilibrium steady states with Fermionic and spin systems. |
Nome del convegno: | 11th Italian Quantum Information Science conference (IQIS2018), Catania, Italy |
Anno del convegno: | 17–20 September 2018 |
Appare nelle tipologie: | 1.07 Contributo in atti di convegno pubblicato in rivista |
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