Search Results for author: Neill Lambert

Found 2 papers, 2 papers with code

Virtual excitations in the ultra-strongly-coupled spin-boson model: physical results from unphysical modes

1 code implementation14 Mar 2019 Neill Lambert, Shahnawaz Ahmed, Mauro Cirio, Franco Nori

Here we show how, in the ultra-strongly-coupled spin-boson model, apparently unphysical "Matsubara modes" are required not only to regulate detailed balance, but also to arrive at a correct and physical description of the non-perturbative dynamics and steady-state.

Quantum Physics

Open quantum systems with local and collective incoherent processes: Efficient numerical simulation using permutational invariance

1 code implementation14 May 2018 Nathan Shammah, Shahnawaz Ahmed, Neill Lambert, Simone De Liberato, Franco Nori

Assessing the robustness of collective effects against local dissipation is paramount to predict their presence in different physical implementations.

Quantum Physics

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