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Author

A. Taraphder

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2 papers indexed here

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Preprint Sep 2026

Weyl Chirality and Kitaev Topology through Bargmann Invariants

We apply a finite-state geometric formulation based on Bargmann invariants to a two-band Weyl Hamiltonian and the one-dimensional Kitaev model of a p-wave superconductor. For the Weyl system, a symmetry-antisymmetrized third-order Bargmann combination selects the chirality-sensitive component of the local pseudospin ge...

Swarup Sangiri, A. Taraphder · 1 citation
Preprint Sep 2026

Geometric Phases in Two-Level Mixing: From Neutral Mesons to Holonomic Qubits and Topological Majorana Modes

We investigate the geometric structure of a Hermitian two-level mixing Hamiltonian motivated by neutral meson oscillations and its connections with qubit, fermionic, and topological descriptions. Mapping the Hamiltonian to an effective qubit representation, we analyze the geometric phase associated with cyclic paramete...

Swarup Sangiri, U. Sarkar, A. Taraphder · 2 citations

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