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The decay process of the schematic one-dimensional three-body system is considered. A time-dependent approach is used in combination with a one-dimensional three-body model, which is composed of a heavier core nucleus and two nucleons, with…

Nuclear Theory · Physics 2018-04-12 Tomohiro Oishi , Lorenzo Fortunato

In the vicinity of neutron star mergers (NSMs), it is possible for the neutrino self-interaction potential to cancel with the matter potential leading to matter neutrino resonance (MNR). MNR is one of the most interesting mechanisms by…

High Energy Astrophysical Phenomena · Physics 2025-10-23 Owais Ullah Faiz , Mushahid Hussain , Shashank Shalgar

Correlations exhibited by neutrino oscillations are studied via quantum information theoretic quantities. We show that the strongest type of entanglement, genuine multipartite entanglement, is persistent in the flavour changing states. We…

High Energy Physics - Phenomenology · Physics 2015-10-20 Subhashish Banerjee , Ashutosh Kumar Alok , R. Srikanth , Beatrix C. Hiesmayr

In this Letter, using von Neumann entropy we examine the entanglement entropy for the neutrino oscillations in the presence of the subsequent phase shift. We numerically show that the entanglement entropy for the subsequent periods of the…

High Energy Physics - Phenomenology · Physics 2025-09-24 Hoda Abdolalizade , Ekrem Aydiner

Abstract We study the analytic expression for four flavor neutrino oscillation in the presence of matter. We calculate the time evolution operator on flavor and mass basis. We find the matter dependent mass square difference and neutrino…

High Energy Physics - Phenomenology · Physics 2021-06-29 Vivek Kumar Nautiyal , Bipin Singh Koranga

At high densities in compact astrophysical sources, the coherent forward scattering of neutrinos onto each other is responsible for making the flavor evolution non-linear. Under the assumption of spherical symmetry, we present the first…

High Energy Astrophysical Phenomena · Physics 2023-04-05 Shashank Shalgar , Irene Tamborra

The oscillating probabilities of lepton flavor changing neutrino oscillation processes, where neutrinos are detected by charged-current and neutral-current interactions, are calculated in a quantum field-theoretical approach to neutrino…

High Energy Physics - Phenomenology · Physics 2018-11-07 Vadim O. Egorov , Igor P. Volobuev

The evolution of neutrino flavor in dense environments such as core-collapse supernovae and binary compact object mergers constitutes an important and unsolved problem. Its solution has potential implications for the dynamics and…

High Energy Astrophysical Phenomena · Physics 2021-04-29 Ermal Rrapaj , Amol V. Patwardhan , Eve Armstrong , George Fuller

The phenomena of particle mixing and flavor oscillations in elementary particle physics can be addressed by the point of view of quantum information theory, and described in terms of multi-mode entanglement of single-particle states. In…

Quantum Physics · Physics 2014-06-05 M. Blasone , F. Dell'Anno , S. De Siena , F. Illuminati

In the early Universe, or near a supernova core, neutrino flavor evolution may be affected by coherent neutrino-neutrino scattering. We develop a microscopic picture of this phenomenon. We show that coherent scattering does not lead to the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Alexander Friedland , Cecilia Lunardini

Recent body of work points out that the mean-field approximation, widely employed to mimic the neutrino field within a neutrino-dense source, might give different results in terms of flavor evolution with respect to the correspondent…

High Energy Astrophysical Phenomena · Physics 2023-06-21 Shashank Shalgar , Irene Tamborra

We consider neutrino mixing and oscillations in presence of an arbitrary constant magnetic field with nonzero transversal $B_{\perp}$ and longitudinal $B_{\parallel}$ components with respect to the direction of neutrino propagation. The…

High Energy Physics - Phenomenology · Physics 2016-06-22 Riccardo Fabbricatore , Alexander Grigoriev , Alexander Studenikin

An algebraic approach to the neutrino propagation in dense media is presented. The Hamiltonian describing a gas of neutrinos interacting with each other and with background fermions is written in terms of the appropriate SU(N) operators,…

Astrophysics · Physics 2008-11-26 A. B. Balantekin , Y. Pehlivan

We present a formulation of lepton family numbers, based on quantum field theory, for neutrino oscillation phenomenology that can be applied to nonrelativistic and relativistic energies for neutrinos. It is formulated for both types of…

High Energy Physics - Phenomenology · Physics 2025-08-25 Apriadi Salim Adam , Nicholas J. Benoit , Yuta Kawamura , Yamato Matsuo , Takuya Morozumi , Yusuke Shimizu , Naoya Toyota

We discuss time reversal (T) violation in neutrino oscillations in generic new physics scenarios. A general parameterization is adopted to describe flavour evolution, which captures a wide range of new physics effects, including…

High Energy Physics - Phenomenology · Physics 2022-03-14 Thomas Schwetz , Alejandro Segarra

A dense neutrino medium such as that inside a core-collapse supernova can experience collective flavor conversion or oscillations because of the neutral-current weak interaction among the neutrinos. This phenomenon has been studied in a…

High Energy Astrophysical Phenomena · Physics 2015-10-20 Sajad Abbar , Huaiyu Duan

Recent studies have highlighted the combination of tensor network methods and the stabilizer formalism as a very effective framework for simulating quantum many-body systems, encompassing areas from ground state to time evolution…

Quantum Physics · Physics 2024-10-22 Xiangjian Qian , Jiale Huang , Mingpu Qin

Quantum many-body systems out of equilibrium pose some of the most intriguing questions in physics. Unfortunately, numerically keeping track of time evolution of states under Hamiltonian dynamics constitutes a severe challenge for all known…

Statistical Mechanics · Physics 2019-04-30 C. Krumnow , J. Eisert , Ö. Legeza

We consider neutrino oscillations as non stationary phenomenon based on Schrodinger evolution equation and mixed states of neutrinos with definite flavors. We show that time-energy uncertainty relation plays a crucial role in neutrino…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. M. Bilenky

Our understanding of neutrino flavor conversion in the innermost regions of core-collapse supernovae and neutron star mergers is mostly limited to spherically symmetric configurations that facilitate the numerical solution of the quantum…

High Energy Astrophysical Phenomena · Physics 2024-11-28 Marie Cornelius , Shashank Shalgar , Irene Tamborra