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132 papers · 1 filter
Spacetime torsion signatures in neutrino oscillation physics
Capolupo Antonio, Monda Simone, Pisacane Gabriele +2
We report on recent results concerning neutrino oscillation in the presence of background torsion. In the context of Einstein-Cartan theory, we find new oscillation formulas for co…
Quantized Dirac Fields in torsionful gravity: cosmological implications and links with the dark universe
Antonio Capolupo, Sante Carloni, Luca Fabbri +3
We consider a classical field in square torsion theory as a source of torsion for a quantum fermion field in FLRW metric. In the framework of QFT, we obtain vacuum contributions to…
Nonhermitian topological zero modes at smooth domain walls: Exact solutions
Pasquale Marra, Angela Nigro
The bulk-boundary correspondence predicts the existence of boundary modes localized at the edges of topologically nontrivial systems. The wavefunctions of hermitian boundary modes…
Zero energy modes with Gaussian, exponential, or polynomial decay: Exact solutions in hermitian and nonhermitian regimes
Pasquale Marra, Angela Nigro
Topological zero modes in topological insulators or superconductors are exponentially localized at the phase transition between a topologically trivial and nontrivial phase. These…
Topological zero modes and bounded modes at smooth domain walls: Exact solutions and dualities
Pasquale Marra, Angela Nigro
Topology describes global quantities invariant under continuous deformations, such as the number of elementary excitations at a phase boundary, without detailing specifics. Convers…
Time-energy uncertainty relation for neutrino oscillations: historical development, applications and future prospects
Giuseppe Gaetano Luciano, Luca Smaldone
Time-energy uncertainty relation (TEUR) plays a fundamental role in quantum mechanics, as it allows to grasp peculiar aspects of a variety of phenomena based on very general princi…