Quantum Correlations in Neutrino Oscillation: Coherence and Entanglement

• URL: http://arxiv.org/abs/2011.13010v1
• Date: Wed, 25 Nov 2020 20:34:33 GMT
• Title: Quantum Correlations in Neutrino Oscillation: Coherence and Entanglement
• Authors: M. M. Ettefaghi, Z. S. Tabatabaei Lotfi, and R. Ramezani Arani
• Abstract summary: The origin of the flavor entanglement in neutrino oscillation is the same as that of quantum coherence. The amount of coherence increases by $sigma_x$ due to the increase in the overlapping of the mass eigenstates.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-sa/4.0/
• Abstract: In this paper, we consider the quantum correlations, coherence and entanglement, in neutrino oscillation. We find that the $l_{1}$-norm as a coherence measure is equal to sum of the three possible concurrences for measuring the entanglement among different flavor modes which were calculated in the paper by (M. Blasone et al., Europhys. Lett., {\bf 112}, 20007). Our result shows that the origin of the flavor entanglement in neutrino oscillation is the same as that of quantum coherence. Furthermore, in the wave packet framework, the variation of $l_{1}$-norm is investigated by varying the wave packet width $\sigma_{x}$. As it is expected the amount of coherence increases by $\sigma_{x}$ due to the increase in the overlapping of the mass eigenstates.

Related papers

• Quantum coherence measures for generalized Gaussian wave packets under a Lorentz boost [0.10713888959520207]
  We consider a single particle, spin-momentum entangled state and measure the effect of relativistic boost on quantum coherence. The coherence of the wave function as measured by the boosted observer is studied as a function of the momentum and the boost parameter. A more prominent loss of coherence due to relativistic boost is observed for a single particle electron than that of a neutron.
  arXiv  Detail & Related papers  (2024-07-09T07:02:45Z)
• Robust spectral $\pi$ pairing in the random-field Floquet quantum Ising model [44.84660857803376]
  We study level pairings in the many-body spectrum of the random-field Floquet quantum Ising model. The robustness of $pi$ pairings against longitudinal disorder may be useful for quantum information processing.
  arXiv  Detail & Related papers  (2024-01-09T20:37:48Z)
• Reconstructing the spatial structure of quantum correlations in materials [0.0]
  Quantum correlations are a fundamental property of many-body states. Yet they remain elusive, hindering certification of genuine quantum materials. We show that momentumdependent dynamical behavior via neutron scattering enables a general family of quantum correlation.
  arXiv  Detail & Related papers  (2023-06-20T17:55:09Z)
• Observing super-quantum correlations across the exceptional point in a single, two-level trapped ion [48.7576911714538]
  In two-level quantum systems - qubits - unitary dynamics theoretically limit these quantum correlations to $2qrt2$ or 1.5 respectively. Here, using a dissipative, trapped $40$Ca$+$ ion governed by a two-level, non-Hermitian Hamiltonian, we observe correlation values up to 1.703(4) for the Leggett-Garg parameter $K_3$. These excesses occur across the exceptional point of the parity-time symmetric Hamiltonian responsible for the qubit's non-unitary, coherent dynamics.
  arXiv  Detail & Related papers  (2023-04-24T19:44:41Z)
• Laboratory-frame tests of quantum entanglement in $H \to WW$ [0.0]
  Quantum entanglement between the two $W$ bosons resulting from the decay of a Higgs boson may be investigated in the dilepton channel $H to WW to ell nu ell nu$ The dilepton invariant mass distribution, already measured by the ATLAS and CMS Collaborations at the LHC, can be used to observe the quantum entanglement of the $WW$ pair.
  arXiv  Detail & Related papers  (2022-09-28T12:22:12Z)
• Geometric relative entropies and barycentric Rényi divergences [16.385815610837167]
  monotone quantum relative entropies define monotone R'enyi quantities whenever $P$ is a probability measure. We show that monotone quantum relative entropies define monotone R'enyi quantities whenever $P$ is a probability measure.
  arXiv  Detail & Related papers  (2022-07-28T17:58:59Z)
• Full counting statistics of interacting lattice gases after an expansion: The role of the condensate depletion in the many-body coherence [55.41644538483948]
  We study the full counting statistics (FCS) of quantum gases in samples of thousands of interacting bosons. FCS reveals the many-body coherence from which we characterize iconic states of interacting lattice bosons.
  arXiv  Detail & Related papers  (2022-07-28T13:21:57Z)
• Geuine tripartite entanglement in three-flavor neutrino oscillations [7.710489214551867]
  A new genuine tripartite entanglement measure [S. B. Xie et al., Phys. Rev. Lett. 127, 040403 (2021)], concurrence fill, is defined as the square root of the area of the concurrence triangle satisfying all genuine multipartite entanglement conditions. Here, we focus on using concurrence fill to quantify the tripartite entanglement in three-flavor NOs. In both cases, we compare its performance with other three tripartite entanglement measures, including the generalized geometric measure (GGM), the three-$pi$ entanglement, and the genuinely multipartite concurrence (GMC), in the neutrino propagation
  arXiv  Detail & Related papers  (2022-05-23T05:54:04Z)
• Gravitational Effects on Quantum Coherence in Neutrino Oscillation [0.0]
  We investigate the quantum coherence for two flavor neutrinos propagating in a Schwarzschild metric. We show that the gravitational effects decrease the maximum value of $K_3$ for some intervals of energy such a way that there is no violation.
  arXiv  Detail & Related papers  (2022-04-26T13:46:36Z)
• Heisenberg-Limited Waveform Estimation with Solid-State Spins in Diamond [15.419555338671772]
  Heisenberg limit in arbitrary waveform estimation is quite different with parameter estimation. It is still a non-trivial challenge to generate a large number of exotic quantum entangled states to achieve this quantum limit. This work provides an essential step towards realizing quantum-enhanced structure recognition in a continuous space and time.
  arXiv  Detail & Related papers  (2021-05-13T01:52:18Z)
• Quantum time dilation in atomic spectra [62.997667081978825]
  We demonstrate how quantum time dilation manifests in a spontaneous emission process. The resulting emission rate differs when compared to the emission rate of an atom prepared in a mixture of momentum wave packets. We argue that spectroscopic experiments offer a technologically feasible platform to explore the effects of quantum time dilation.
  arXiv  Detail & Related papers  (2020-06-17T18:03:38Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.