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Non-critical slowing down of photonic condensation
Benjamin T. Walker, Henry J. Hesten, Himadri S. Dhar +2
We investigate the response of a photonic gas interacting with a reservoir of pumped dye-molecules to quenches in the pump power. In addition to the expected dramatic critical slow…
Effect of long-range interactions on multipartite entanglement in Heisenberg chains
Sudipto Singha Roy, Himadri Shekhar Dhar
It is well known that the notions of spatial locality are often lost in quantum systems with long-range interactions, as exhibited by the emergence of phases with exotic long-range…
Tensor-network approach to compute genuine multisite entanglement in infinite quantum spin chains
Sudipto Singha Roy, Himadri Shekhar Dhar, Aditi Sen De +1
We devise a method based on the tensor-network formalism to calculate genuine multisite entanglement in ground states of infinite spin chains containing spin-1/2 or spin-1 quantum…
Variational Renormalization Group for Dissipative Spin-Cavity Systems: Periodic Pulses of Nonclassical Photons from Mesoscopic Spin Ensembles
Himadri Shekhar Dhar, Matthias Zens, Dmitry O. Krimer +1
Mesoscopic spin ensembles coupled to a cavity offer the exciting prospect of observing complex nonclassical phenomena that pool the microscopic features from a few spins with those…