5 papers
Phase diagram of lasing under correlated pump from GPU-accelerated Truncated Wigner dynamics
Oksana Chelpanova, Martino Stefanini, Michael O'Keeffe +1
Superradiant (SR) lasers store optical coherence in the atomic medium rather than the cavity field, but the incoherent drive that sustains inversion imposes a trade-off: local pump…
One knob to tune them all: Phase-controlled photon statistics and linewidth in partially pumped atomic ensembles
Oksana Chelpanova, Martino Stefanini, Dusan Sarenac +2
We study a minimal model of collective light emission from an incoherently driven ensemble of atoms where incoherent drive is applied to only a subset of the atoms and show that bo…
User-friendly TWA for dissipative spin dynamics
Hossein Hosseinabadi, Oksana Chelpanova, Jamir Marino
We put forward a user-friendly framework of the truncated Wigner approximation (TWA) for dissipative quantum many-body systems. Our approach is computationally affordable and it fe…
Dynamics of quantum discommensurations in the Frenkel-Kontorova chain
Oksana Chelpanova, Shane P. Kelly, Ferdinand Schmidt-Kaler +2
The ability for real-time control of topological defects can open up prospects for dynamical manipulation of macroscopic properties of solids. A sub-category of these defects, form…
Dynamics of spin-momentum entanglement from superradiant phase transitions
Oksana Chelpanova, Kushal Seetharam, Rodrigo Rosa-Medina +4
Exploring operational regimes of many-body cavity QED with multi-level atoms remains an exciting research frontier for their enhanced storage capabilities of intra-level quantum co…