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Space-time localization diagrams ``unlock" subtle aspects of $\nu$ oscillations such as coherence and entanglement. Observability of propagation decoherence in oscillating neutrino state is discussed. The sizes of WPs of reactor and source…

High Energy Physics - Phenomenology · Physics 2022-12-21 Alexei Y Smirnov

We investigate the nonlinear power spectra of density perturbations and acoustic oscillations in growing neutrino quintessence. In this scenario, the neutrino mass has a strong dependence on the quintessence field. The induced coupling…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 N. Brouzakis , V. Pettorino , N. Tetradis , C. Wetterich

We show that the conditions for total neutrino conversion found in [1] are equivalent to the conditions of maximal depth (parametric resonance) and ($\pi/2 + \pi k$) - phase of parametric oscillations. Therefore the effects considered in…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Kh. Akhmedov , A. Yu. Smirnov

Neutrino oscillations are studied in the general framework of open quantum systems by means of extended dynamics that take into account possible dissipative effects. These new phenomena induce modifications in the neutrino oscillation…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Benatti , R. Floreanini

We present a formalism for precise description of oscillation phenomena in matter at high energies or high densities, V > \Delta m^2/2E, where V is the matter-induced potential of neutrinos. The accuracy of the approximation is determined…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Kh. Akhmedov , M. Maltoni , A. Yu. Smirnov

A few seconds after bounce in a core-collapse supernova, the shock wave passes the density region corresponding to resonant neutrino oscillations with the ``atmospheric'' neutrino mass difference. The transient violation of the adiabaticity…

Astrophysics · Physics 2009-11-10 R. Tomas , M. Kachelriess , G. Raffelt , A. Dighe , H. -T. Janka , L. Scheck

We consider main ingredients which determine neutrino transformations in media. Strong transformations relevant for the astrophysics can be due to large depth oscillations, resonance conversion, parametric resonance effect, interplay of…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Yu. Smirnov

A model with interlayer pairing is proposed to explain the sinusoidal modulation of the resonant neutron scattering in high temperature superconductors. It is found that the interlayer pairing has s-wave symmetry in the CuO$_2$ plane and…

Superconductivity · Physics 2009-10-31 Tao Li

During the shock-wave propagation in a core-collapse supernova (SN), matter turbulence may affect neutrino flavor conversion probabilities. Such effects have been usually studied by adding parametrized small-scale random fluctuations (with…

Solar and Stellar Astrophysics · Physics 2015-06-17 Enrico Borriello , Sovan Chakraborty , Hans-Thomas Janka , Eligio Lisi , Alessandro Mirizzi

A neutrino propagating through fluctuating matter can experience large amplitude transitions between its states. Such transitions occur in supernovae and compact object mergers due to turbulent matter profiles and neutrino…

Quantum Physics · Physics 2018-02-21 Yue Yang , James P. Kneller

A variety of neutrino flavour conversion phenomena occur in core-collapse supernova, due to the large neutrino density close to the neutrinosphere, and the importance of the neutrino-neutrino interaction. Three different regimes have been…

Solar and Stellar Astrophysics · Physics 2015-05-27 Sebastien Galais , Cristina Volpe

We analyze the prospects for studying scalar non-standard interactions (SNSI) using the neutrino burst from a Galactic supernova. SNSI modify the resonant flavor conversion and, correspondingly, the neutronization burst signal, and may be…

High Energy Physics - Phenomenology · Physics 2025-08-25 Bhaskar Dutta , Aparajitha Karthikeyan , Nityasa Mishra , Yago Porto , Louis E. Strigari

Neutrino oscillations in matter can exhibit a specific resonance enhancement -- parametric resonance, which is different from the MSW resonance. Oscillations of atmospheric and solar neutrinos inside the earth can undergo parametric…

High Energy Physics - Phenomenology · Physics 2009-06-19 E. Kh. Akhmedov

Neutrino oscillations in matter can exhibit a specific resonance enhancement -- parametric resonance, which is different from the MSW resonance. Recently it has been shown that the oscillations of atmospheric and solar neutrinos inside the…

High Energy Physics - Phenomenology · Physics 2017-08-02 E. Kh. Akhmedov

In this paper, we give an exact analytical solution to the case of neutrinos propagating through multiple non-adiabatic density profiles. The resulting oscillation probability needs to be modelled in 4-dimensional parameter space…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. Linder , K. Olaussen

In this talk we review the results on neutrino propagation under external magnetic fields. We concentrate on the effects of strong magnetic fields $M_{W}^{2}\gg B\gg m_{e}^{2}$ in neutral media. It is shown that the neutrino energy density…

High Energy Physics - Phenomenology · Physics 2009-11-10 Efrain J. Ferrer , Vivian de la Incera

A revolution in our understanding of the neutrino sector is underway, driven by observations that are interpreted in terms of changes in neutrino flavors as they propagate. Since neutrino oscillations occur only if neutrinos are massive,…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Barger , K. Whisnant

Neutrino masses and mixings produce vacuum oscillations, an established quantum mechanical phenomenon. In matter, the Mikheev-Smirnov-Wolfenstein effect, due to neutrino interactions with the background particles, triggers resonant flavor…

High Energy Physics - Phenomenology · Physics 2024-10-11 M. Cristina Volpe

Giant resonances--highly collective, high-frequency oscillations of the atomic nucleus--are the focus of this chapter. We discuss the isoscalar excitations, where the protons and neutrons oscillate in phase, up to angular-momentum transfers…

Nuclear Experiment · Physics 2022-07-15 Umesh Garg

Neutrino oscillation experiments present anomalous results across a vast range of baselines and energies. Here we show that a 3+1 scenario in which sterile neutrinos feel a novel matter potential $V_s$ proportional to background density of…

High Energy Physics - Phenomenology · Physics 2026-05-15 Sabya Sachi Chatterjee , Antonio Palazzo