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An ultralight dark matter may have interesting implications in neutrino physics which have been studied actively in recent years. It is pointed out that there appears yet unexplored medium effect in neutrino transitions which occurs at the…

High Energy Physics - Phenomenology · Physics 2023-01-25 Eung Jin Chun

One of the most common expectations of a quantum theory of gravity is that space-time is uncertain or fluctuating at microscopic scales, making it a stochastic medium for particle propagation. Particles traversing this space-time may…

High Energy Physics - Phenomenology · Physics 2022-01-19 Thomas Stuttard

Context: The widespread view that cosmological neutrinos, even if massive, are well described since the decoupling redshift z~10^10 down to the present epoch by an almost perfectly collisionless fluid of classical point particles is…

Astrophysics · Physics 2009-11-11 Daniel Pfenniger , Veruska Muccione

The evolution of neutrinos in a fluctuating classical axion-like particles (ALPs) field is investigated. The equation for the neutrino density matrix is obtained in the Redfield form, and the corresponding dissipative matrix is derived.…

High Energy Physics - Phenomenology · Physics 2025-11-27 Alexey Lichkunov , Konstantin Stankevich , Alexander Studenikin

A new density matrix and corresponding quantum kinetic equations are introduced for fermions undergoing coherent evolution either in time (coherent particle production) or in space (quantum reflection). A central element in our derivation…

High Energy Physics - Phenomenology · Physics 2009-02-02 Matti Herranen , Kimmo Kainulainen , Pyry Matti Rahkila

In the pursuit of speculative new particles, forces, and dimensions with vanishingly small influence on normal matter, understanding the ultimate physical limits of experimental sensitivity is essential. Here, I show that quantum…

Quantum Physics · Physics 2015-12-10 C. Jess Riedel

The flavor evolution of neutrinos in environments with large neutrino number densities is an open problem at the nexus of astrophysics and neutrino flavor physics. Among the many unanswered questions pertaining to this problem, it remains…

Nuclear Theory · Physics 2022-12-21 Denis Lacroix , A. B. Balantekin , Michael J. Cervia , Amol V. Patwardhan , Pooja Siwach

Neutrino oscillations are precision probes of new physics beyond the Standard Model. Apart from neutrino masses and mixings, they are also sensitive to possible deviations of low-energy interactions between quarks and leptons from the…

High Energy Physics - Phenomenology · Physics 2020-12-15 Adam Falkowski , Martín González-Alonso , Zahra Tabrizi

Coherent quantum phenomena can only emerge when decoherence is minimized, and mastery over decoherence is technologically crucial for designing and operating functional quantum devices. However, its microscopic mechanisms in…

Mesoscale and Nanoscale Physics · Physics 2026-04-01 Xian-Peng Zhang , Yan-Qing Feng , Haiwen Liu , Wanxiang Feng , Yugui Yao

During a period of about two decades we have realized a programme of systematic investigations of different aspects of neutrino propagation in extreme external environments and have predicted and studied several new phenomena that are…

High Energy Physics - Phenomenology · Physics 2020-09-04 Alexander Studenikin

Neutrino flavor oscillations are analyzed in the framework of Quantum Geometry model proposed by Caianiello. In particular, we analyze the consequences of the model for accelerated neutrino particles which experience an effective…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. Bozza , S. Capozziello , G. Lambiase , G. Scarpetta

We perform an extensive analysis of neutrino diffusion in quark matter within the MIT bag model at arbitrary temperature and degeneracy. We examine in detail the contribution of each of the relevant weak interaction processes to the total…

Solar and Stellar Astrophysics · Physics 2015-06-19 Gustavo C. Colvero , Germán Lugones

We investigated the influence of \(\kappa\) Minkowski-type quantum spacetime on neutrino oscillations, revealing that spacetime fluctuations introduce a unique energy-dependent power law, \(E^{-4}\), in the decoherence effect for relic…

High Energy Physics - Phenomenology · Physics 2025-03-05 Partha Nandi , Tiasha Bhattacharyya

Coherence, which represents the superposition of orthogonal states, is a fundamental concept in quantum mechanics and can also be precisely defined within quantum resource theory. Thus exploring quantum coherence in neutrino oscillations…

High Energy Physics - Phenomenology · Physics 2025-02-19 Ashutosh Kumar Alok , Trambak Jyoti Chall , Neetu Raj Singh Chundawat , Shireen Gangal , Gaetano Lambiase

Schemes of gravitationally induced decoherence are being actively investigated as possible mechanisms for the quantum-to-classical transition. Here, we introduce a decoherence process due to quantum gravity effects. We assume a foamy…

General Relativity and Quantum Cosmology · Physics 2021-07-23 Luciano Petruzziello , Fabrizio Illuminati

Quantum decoherence plays a pivotal role in the dynamical description of the quantum-to-classical transition and is the main impediment to the realization of devices for quantum information processing. This paper gives an overview of the…

Quantum Physics · Physics 2019-11-15 Maximilian Schlosshauer

The Standard Model (SM) of particle physics effectively explains most observed phenomena, though some anomalies, especially in the neutrino sector, suggest the need for extensions. In this Letter, we perform the first global fit of elastic…

High Energy Physics - Phenomenology · Physics 2025-12-05 Mattia Atzori Corona , Matteo Cadeddu , Nicola Cargioli , Francesca Dordei , Carlo Giunti , Christoph A. Ternes

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

The process of neutral-current coherent elastic neutrino-nucleus scattering, consistent with the Standard Model (SM) expectation, has been recently measured by the COHERENT experiment at the Spallation Neutron Source. On the basis of the…

High Energy Physics - Phenomenology · Physics 2018-02-21 D. K. Papoulias , T. S. Kosmas

If a neutrino or antineutrino produced in the decay of an unstable particle is not entangled to its accompanying particles, its mass is necessarily correlated with its momentum. In this manuscript, I illustrate that this entanglement would…

High Energy Physics - Phenomenology · Physics 2024-11-28 Shi-Biao Zheng
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