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of 20
pro vyhledávání: '"Jahromi, Hossein Rangani"'
Effective nonlinear optical interactions are essential for many applications in modern photonics. In this paper, we investigate the role of the nonlinear response of a material to improve quantum metrology. In particular, the collective optical behav
Externí odkaz:
http://arxiv.org/abs/2210.10106
Publikováno v:
Ann. Phys. 448, 169172 (2023)
Using a two-level moving probe, we address the temperature estimation of a static thermal bath modeled by a massless scalar field prepared in a thermal state. Different couplings of the probe to the field are discussed under various scenarios. We fin
Externí odkaz:
http://arxiv.org/abs/2208.04431
Autor:
Mahdavipour, Kobra, Shadfar, Mahshid Khazaei, Jahromi, Hossein Rangani, Morandotti, Roberto, Franco, Rosario Lo
Publikováno v:
Entropy 24, 395 (2022)
A witness of non-Markovianity based on the Hilbert-Schmidt speed (HSS), a special type of quantum statistical speed, has been recently introduced for low-dimensional quantum systems. Such a non-Markovianity witness is particularly useful, being easil
Externí odkaz:
http://arxiv.org/abs/2201.08617
Publikováno v:
Phys. Scr. 97, 125402 (2022)
Determining the energy levels of a quantum system is a significant task, for instance, to analyze reaction rates in drug discovery and catalysis or characterize the compatibility of materials. In this paper we exploit quantum metrology, the research
Externí odkaz:
http://arxiv.org/abs/2110.10256
Autor:
Jahromi, Hossein Rangani
Publikováno v:
Phys. Lett. A 424, 127850 (2022)
One of the most important applications of quantum physics is quantum teleportation, the possibility to transfer quantum states over arbitrary distances. In this paper, we address the idea of remote sensing in a teleportation scenario with topological
Externí odkaz:
http://arxiv.org/abs/2109.05275
Publikováno v:
Quant. Inf. Process. 21, 155 (2022)
Non-Hermitian systems with parity-time ($\mathcal{PT}$) symmetry and anti-$\mathcal{PT}$ symmetry give rise to exceptional points (EPs) with intriguing properties related to, e.g., chiral transport and enhanced sensitivity, due to the coalescence of
Externí odkaz:
http://arxiv.org/abs/2101.04663
We investigate how the Hilbert-Schmidt speed (HSS), a special type of quantum statistical speed, can be exploited as a powerful and easily computable tool for quantum phase estimation in a $n$-qubit system. We find that, when both the HSS and quantum
Externí odkaz:
http://arxiv.org/abs/2009.06050
Publikováno v:
Phys. Rev. A 102, 022221 (2020)
Non-Markovian effects can speed up the dynamics of quantum systems while the limits of the evolution time can be derived by quantifiers of quantum statistical speed. We introduce a witness for characterizing the non-Markovianity of quantum evolutions
Externí odkaz:
http://arxiv.org/abs/2003.12681
Publikováno v:
Quantum Inf Process 18, 338 (2019)
By using the quantum Fisher information (QFI), we address the process of \textit{single}-parameter estimation in the presence of bosonic as well as fermionic environments and protection of information against the noise. In particular, the quantum int
Externí odkaz:
http://arxiv.org/abs/1812.06172
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