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Probing octupolar hidden order via Janus impurities
Sreekar Voleti, Koushik Pradhan, Subhro Bhattacharjee +2
Quantum materials with non-Kramers doublets are a fascinating venue to realize multipolar hidden orders. Impurity probes which break point group symmetries, such as implanted muons…
Anyon dynamics in field-driven phases of the anisotropic Kitaev model
Shi Feng, Adhip Agarwala, Subhro Bhattacharjee +1
The Kitaev model on a honeycomb lattice with bond-dependent Ising interactions offers an exactly solvable model of a quantum spin liquid (QSL) with gapped fluxes and gapless…
Tensor Electromagnetism and Emergent Elasticity in Jammed Solids
Jishnu N. Nampoothiri, Michael D'Eon, Kabir Ramola +2
The theory of mechanical response and stress transmission in disordered, jammed solids poses several open questions of how non-periodic networks -- apparently indistinguishable fro…
Probing emergent QED in quantum spin ice via Raman scattering of phonons: shallow inelastic scattering and pair production
Arnab Seth, Subhro Bhattacharjee, Roderich Moessner
We present a new mechanism for Raman scattering of phonons, which is based on the linear magnetoelastic coupling present in non-Kramers magnetic ions. This provides a direct coupli…