2 papers
cond-mat.other2026
Tunable Floquet selection rules in a driven Ising chain
Rishi Paresh Joshi, Sanchayan Banerjee, Sneha Narasimha Moorthy +1
We study a periodically driven spin- Ising chain with a nearest-neighbour coupling and longitudinal field while a weak transverse field induces single-spin flips. Through Floq…
cond-mat.str-el2025
Fermion as a non-local particle-hole excitation
Alok Kushwaha, Rishi Paresh Joshi, Girish Sampath Setlur
We show that the fermion, in the context of a system that comprises many such entities - which, by virtue of the Pauli exclusion principle, possesses a Fermi surface at zero temper…