34 citations · 114 across the 9 of their papers we have counts for
9 papers
Hyperbolic Spin Liquids
Patrick M. Lenggenhager, Santanu Dey, Tomáš Bzdušek +1
Hyperbolic lattices present a unique opportunity to venture beyond the conventional paradigm of crystalline many-body physics and explore correlated phenomena in negatively curved…
Simulating Holographic Conformal Field Theories on Hyperbolic Lattices
Santanu Dey, Anffany Chen, Pablo Basteiro +10
We demonstrate how table-top settings combining hyperbolic lattices with nonlinear dynamics universally encode aspects of the bulk-boundary-correspondence between gravity in anti-d…
Field-driven transition from quantum spin liquid to magnetic order in triangular-lattice antiferromagnets
Santanu Dey, Joseph Maciejko, Matthias Vojta
Recently several triangular-lattice magnets with delafossite structure have been found to display spin-liquid behavior down to the lowest temperatures. Remarkably, applying a magne…
Quantum-critical electrodynamics of Luttinger fermions
Santanu Dey, Joseph Maciejko
We study the quantum electrodynamics of Luttinger fermions with quadratic band-crossing dispersion in three dimensions. The model can be viewed as the low-energy effective theory o…
Destabilization of U(1) Dirac spin-liquids on two dimensional non-bipartite lattices by quenched disorder
Santanu Dey
The stability of the Dirac spin-liquid on two-dimensional lattices has long been debated. It was recently demonstrated [Nature Commun. 10, 4254 (2019) and Phys. Rev. B 93, 144411 (…
Random-bond disorder in two-dimensional non-collinear XY antiferromagnets: From quasi-long-range order to spin glass
Santanu Dey, Eric C. Andrade, Matthias Vojta
We study effects of quenched bond disorder in frustrated easy-plane antiferromagnets in two space dimensions, using a combination of analytical and numerical techniques. We conside…