activity
20232026
most citedAnomalous dynamical response of non-Hermitian topological phases

12 citations · 18 across the 6 of their papers we have counts for

collaborators

6 papers

cond-mat.stat-mech2026

Ergodic and Discrete Time Crystal Phases in Periodically Kicked Many-Body Quantum Systems: An Analytical Study

Vijay Kumar, Dibyendu Roy

We analytically study the time evolution of the expectation values of observables in periodically kicked many-body quantum systems. Starting from an initial state, we compute both…

cond-mat.mes-hall2026

Symmetry Protected Bulk-Boundary Correspondence in Interacting Topological Insulators

Kiran Babasaheb Estake, Dibyendu Roy

We establish a quantitative bulk-boundary correspondence in interacting topological insulators by relating many-body topological invariants to characteristic degeneracy structures…

cond-mat.stat-mech2025

Nonlinearity-induced transition in heat conduction through a topological metamaterial of rotors

T. R. Vishnu, Dibyendu Roy

We investigate heat conduction in a one-dimensional chain of rigid rotors. The rotors are constrained to rotate in a plane about fixed pivot points and coupled by springs, such tha…

quant-ph2025★ 2 cited

From Chiral Topological Dynamics to Chiral Topological Amplification: Real vs Imaginary Parameters in a Hermitian Bosonic Chain

Kiran Babasaheb Estake, T. R. Vishnu, Dibyendu Roy

We propose a Hermitian quadratic bosonic model (QBH) whose dynamical matrix exhibits distinct topological and dynamical phenomena depending on whether the hopping and pairing ampli…

cond-mat.stat-mech2024★ 4 cited

Heat transport through an open coupled scalar field theory hosting stability-to-instability transition

T. R. Vishnu, Dibyendu Roy

We investigate heat transport through a one-dimensional open coupled scalar field theory, depicted as a network of harmonic oscillators connected to thermal baths at the boundaries…

cond-mat.mes-hall2023★ 12 cited

Anomalous dynamical response of non-Hermitian topological phases

Ritu Nehra, Dibyendu Roy

Composite topological phases with intriguing topology like Mbius strips emerge in sublattice symmetric non-Hermitian systems due to spontaneous breaking of time-reversal symme…