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For a long time very little experimental information was available about neutrino properties, even though a minute neutrino mass has intriguing cosmological and astrophysical implications. This situation has changed in recent decades:…

Nuclear Theory · Physics 2017-03-29 A. B. Balantekin

Any quantum system interacting with a complex environment undergoes decoherence. Empty space is filled with vacuum energy due to matter fields in their ground state and represents an underlying environment that any quantum particle has to…

General Relativity and Quantum Cosmology · Physics 2009-08-26 Paolo M. Bonifacio

If dark energy (DE) couples to neutrinos, then there may be apparent violations of Lorentz/CPT invariance in neutrino oscillations. The DE-induced Lorentz/CPT violation takes a specific form that introduces neutrino oscillations that are…

High Energy Physics - Phenomenology · Physics 2010-04-29 Shin'ichiro Ando , Marc Kamionkowski , Irina Mocioiu

We argue that in at least a portion of the history of the universe the relic background neutrinos are spatially-extended, coherent superpositions of mass states. We show that an appropriate quantum mechanical treatment affects the neutrino…

Astrophysics · Physics 2010-04-30 George M. Fuller , Chad T. Kishimoto

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

This work explores how the generalized uncertainty principle, a theoretical modification of the Heisenberg uncertainty principle inspired by quantum gravity, affects neutrino flavor oscillations. By extending the standard two-flavor…

High Energy Physics - Phenomenology · Physics 2025-09-18 Kartik Joshi , Sanjib Dey , Satyajit Jena

Effects of the quantum gravity under Minkowski space-time background are considered. It is shown that despite the absence of the complete theory of quantum gravity, some concrete predictions could be made for the influence of the quantum…

General Relativity and Quantum Cosmology · Physics 2021-08-03 S. L. Cherkas , V. L. Kalashnikov

Quantum decoherence effects in neutrinos, described by the open quantum systems formalism, serve as a gateway to explore potential new physics, including quantum gravity. Previous research extensively investigated these effects across…

High Energy Physics - Phenomenology · Physics 2023-07-12 Marcos V. dos Santos , Pedro C. de Holanda , Pedro Dedin Neto , Ernesto Kemp

To account for neutrino oscillations, it was postulated that the neutrino has nonvanishing mass and each flavor eigenstate is formed by a quantum superposition of three distinct mass eigenstates, whose probability amplitudes interfere with…

High Energy Physics - Phenomenology · Physics 2024-12-18 Shi-Biao Zheng

The propagation of neutrinos in a gravitational field is studied. A method of calculating a covariant quantum-mechanical phase in a curved space-time is presented. The result is used to calculate gravitational effects on the neutrino…

High Energy Physics - Phenomenology · Physics 2014-11-17 N. Fornengo , C. Giunti , C. W. Kim , J. Song

We discuss the impact of ideas of open quantum systems and quantum information to various facets of neutrino and neutral meson oscillations. These oscillations are characterized by a number of quantum correlations, both spatial as well as…

High Energy Physics - Phenomenology · Physics 2024-12-05 Subhashish Banerjee

It has been speculated that quantum gravity might induce a "foamy" space-time structure at small scales, randomly perturbing the propagation phases of free-streaming particles (such as kaons, neutrons, or neutrinos). Particle interferometry…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. L. Fogli , E. Lisi , A. Marrone , D. Montanino , A. Palazzo

In this paper, we investigate the quantum coherence for two flavor neutrinos propagating in a Schwarzschild metric. In fact, this issue is explored both qualitatively via calculating the parameter $K_{3}$ in Leggett-Garg inequality (LGI)…

Quantum Physics · Physics 2022-06-01 M. M. Ettefaghi , R. Ramezani Arani , Z. S. Tabatabaei Lotfi

One of the biggest problems faced by those attempting to combine quantum theory and general relativity is the experimental inaccessibility of the unification scale. In this paper we show how incoherent conformal waves in the gravitational…

Quantum Physics · Physics 2015-06-26 W. L. Power , I. C. Percival

The loss of coherence in quantum mechanical superposition states limits the time for which quantum information remains useful. Similarly, it limits the distance over which quantum information can be transmitted, resembling Anderson…

Quantum Physics · Physics 2010-06-11 Gonzalo A. Alvarez , Dieter Suter

We consider the decoherence effects in the propagation of active neutrinos due to the non-forward neutrino scattering processes in a matter background composed of electrons and nucleons. We calculate the contribution to the imaginary part…

High Energy Physics - Phenomenology · Physics 2021-07-07 José F. Nieves , Sarira Sahu

This paper investigates the influence of non-commutative geometry on various aspects of neutrino behavior in curved spacetime. Adopting a Schwarzschild-like black hole solution with Lorentzian mass deformation induced by non-commutativity,…

General Relativity and Quantum Cosmology · Physics 2025-04-08 A. A. Araújo Filho , N. Heidari , Yuxuan Shi

We propose a theory for neutrino oscillations, in which the flavour neutrinos are treated as waves of massless particles propagating in a "refractive quantum vacuum" and obeying a relativistically covariant equation of motion. The…

High Energy Physics - Phenomenology · Physics 2025-04-23 Markku Oksanen , Nico Stirling , Anca Tureanu

We examine current constraints on and the future sensitivity to the strength of couplings between quarks and neutrinos in the presence of a form factor generated from loop effects of hidden sector particles that interact with quarks via new…

High Energy Physics - Phenomenology · Physics 2019-01-17 Alakabha Datta , Bhaskar Dutta , Shu Liao , Danny Marfatia , Louis E. Strigari

We address some theoretical issues of the quantum decoherence phenomenon within the neutrino oscillation framework and carry out various tests under DUNE simulated experimental environment. On the theoretical side, we provide a general…

High Energy Physics - Phenomenology · Physics 2020-05-20 Jose Carpio , Eduardo Massoni , Alberto Gago