Field Mixing in Curved Spacetime and Dark Matter

A Capolupo, A Quaranta, R Serao - Symmetry, 2023 - mdpi.com
An extensive review of recent results concerning the quantum field theory of particle mixing
in curved spacetime is presented. The rich mathematical structure of the theory for both …

[HTML][HTML] Boson mixing and flavor vacuum in the expanding Universe: A possible candidate for the dark energy

A Capolupo, A Quaranta - Physics Letters B, 2023 - Elsevier
We analyze the boson mixing in curved spacetime and compute the expectation value of the
energy-momentum tensor of bosons on the flavor vacuum in spatially flat Friedmann …

[HTML][HTML] Muon g− 2 anomaly and non-locality

A Capolupo, G Lambiase, A Quaranta - Physics Letters B, 2022 - Elsevier
We show that the discrepancy between the observed value of the muon anomalous moment
and the standard model prediction can be explained in the framework of nonlocal theories …

Boson mixing and flavor oscillations in curved spacetime

A Capolupo, A Quaranta, PA Setaro - Physical Review D, 2022 - APS
We develop a quantum field theory of boson mixing in curved space. We derive new general
oscillation probabilities and prove that the formalism correctly reproduces the flat space limit …

[HTML][HTML] Neutrino capture on tritium as a probe of flavor vacuum condensate and dark matter

A Capolupo, A Quaranta - Physics Letters B, 2023 - Elsevier
We show that the study of neutrino capture on tritium, for non-relativistic neutrinos, can allow
to distinguish among the various neutrino models, eventually prove the quantum field theory …

Axion–neutrino couplings, late-time phase transitions and the far infrared physics

VK Oikonomou - Physics of the Dark Universe, 2023 - Elsevier
The far infrared physics is a fascinating topic for theoretical physics, since the foundation of
quantum field theory and neutrinos seem to be strongly related with the far infrared physics …

On the geometric phase for Majorana and Dirac neutrinos

A Capolupo, SM Giampaolo… - Journal of Physics G …, 2023 - iopscience.iop.org
We analyze the geometric phase for neutrinos and we demonstrate that the geometric
invariants associated with transitions between different neutrino flavors, for Majorana …

Probing light scalars with not quite black holes

X Li, J Ren - Physical Review D, 2024 - APS
The rapid progress in gravitational wave astronomy has provided an opportunity for
investigating the presence of long-range scalar forces that exclusively manifest around …

Quantum flavor vacuum in the expanding universe: A possible candidate for cosmological dark matter?

A Capolupo, S Carloni, A Quaranta - Physical Review D, 2022 - APS
We analyze fermion mixing in the framework of field quantization in curved spacetime. We
compute the expectation value of the energy-momentum tensor of mixed fermions on the …

Fermion mixing in curved spacetime

A Capolupo, G Lambiase… - Journal of Physics …, 2023 - iopscience.iop.org
We develop the quantum field theory of fermion mixing in curved spacetime and discuss the
role of unitarily inequivalent representations in the particle interpretation of the theory. We …