Observability of spontaneous collapse in flavor oscillations and its relation to the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:mi mathvariant="script">CP</mml:mi></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si2.svg"><mml:mi mathvariant="script">CPT</mml:mi></mml:math> symmetries

Simonov, Kyrylo

doi:10.1016/j.physleta.2022.128413

Cited by 3 publications

(1 citation statement)

References 70 publications

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“…In addition, in [22] it is ignored the fact that not all the possible measures that can be done on a quantum system must include demolition of the quantum state [53][54][55]. The design of a non-demolition measure for neutrinos would be a difficult task to achieve, but if one wants to prove that a quantity cannot be observed, one must consider all the possible ways to realize a measurement.…”

Section: Discussionmentioning

confidence: 99%

On the geometric phase for Majorana and Dirac neutrinos

Capolupo¹,

Giampaolo²,

Hiesmayr³

et al. 2023

J. Phys. G: Nucl. Part. Phys.

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We analyze the geometric phase for neutrinos and we demonstrate that the geometric invariants associated to transitions between different neutrino flavors, for Majorana neutrinos, is not left unchanghed by rephasing transformations and are sensitive to the nature of neutrinos. The dependence of geometric invariants on the Majorana phase cannot be eliminated by a charged lepton rephasing transformation. By considering kinematic and geometric approach we also demonstrate that the Majorana phase is relevant in the projective Hilbert space. Geometric invariants can therefore be used as tools to distinguish between Dirac and Majorana neutrinos.

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Section: Discussionmentioning

confidence: 99%

On the geometric phase for Majorana and Dirac neutrinos

Capolupo¹,

Giampaolo²,

Hiesmayr³

et al. 2023

J. Phys. G: Nucl. Part. Phys.

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Tests of macrorealism in meson oscillation physics

Blasone,

Illuminati,

Petruzziello

et al. 2024

Phys. Rev. A

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No-signaling-in-time as a condition for macrorealism: the case of neutrino oscillations

et al. 2023

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We consider two necessary and sufficient conditions for macrorealism recently appeared in the literature, known as no-signaling-in-time and arrow-of-time conditions, respectively, and study them in the context of neutrino flavor transitions, within both the plane wave description and the wave packet approach. We then compare the outcome of the above investigation with the implication of various formulations of Leggett–Garg inequalities. In particular, we show that the fulfillment of the addressed conditions for macrorealism in neutrino oscillations implies the fulfillment of the Leggett–Garg inequalities, whereas the converse is not true. Finally, in the framework of wave packet approach, we also prove that, for distances longer than the coherence length, the no-signaling-in-time condition is always violated whilst the Leggett–Garg inequalities are not.

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Observability of spontaneous collapse in flavor oscillations and its relation to the CP and CPT symmetries

Cited by 3 publications

References 70 publications

On the geometric phase for Majorana and Dirac neutrinos

On the geometric phase for Majorana and Dirac neutrinos

Tests of macrorealism in meson oscillation physics

No-signaling-in-time as a condition for macrorealism: the case of neutrino oscillations

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