219 citations · 1.6k across the 45 of their papers we have counts for
46 papers
Trend formation with sparse global sampling
Sarath Sankar, Abhijit Sinha, Shankar Ghosh +2
Achieving global coordination without a central controller or dense global communication is a defining challenge for both biological collectives and engineered swarms. We introduce…
Jordan-Wigner fermionization of quantum spin systems on arbitrary 2D lattices: A mutual Chern-Simons approach
Jagannath Das, Aman Kumar, Avijit Maity +1
A variety of analytical approaches have been developed for the study of quantum spin systems in two dimensions, the notable ones being spin-waves, slave boson/fermion parton constr…
Thermal Hall conductivity near field-suppressed magnetic order in a Kitaev-Heisenberg model
Aman Kumar, Vikram Tripathi
We investigate thermal Hall conductivity of a - Kitaev-Heisenberg model with a Zeeman field in the direction in the light of the recent debate surrounding th…
Quasiparticle metamorphosis in the random t-J model
Aman Kumar, Subir Sachdev, Vikram Tripathi
Motivated by the pseudogap-Fermi liquid transition in doped Mott insulators, we examine the excitations of a - model with random and all-to-all hopping and exchange. The stab…
Weak antilocalization and Shubnikov-de Haas oscillations in CaCuSb single crystal
Souvik Sasmal, Vikas Saini, Nicolas Bruyant +5
Quantum oscillations in both linear and Hall resistivities and weak antilocalization (WAL) are barely observed in bulk single crystals. Here we report the transport properties of a…
Counterdiabatic route for preparation of state with long-range topological order
Sanjeev Kumar, Shekhar Sharma, Vikram Tripathi
We propose here a counterdiabatic (CD) strategy for fast preparation of a state with long-range topological order by magnetic field tuning of an initial separable state. For concre…