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quant-ph2026

Non-Markovian dynamics in nonstationary Gaussian baths: a hierarchy of pure states approach

Vladislav Sukharnikov, Stasis Chuchurka, Frank Schlawin

Building on the standard hierarchy of pure states (HOPS) approach, we construct a generalized formulation suitable for open quantum systems interacting with nonstationary Gaussian…

quant-ph2025

Modelling many-body quantum dynamics with stochastic trajectories: a critical test on the Tavis-Cummings model

A. Leonau, S. Chuchurka, V. Sukharnikov +2

We critically explore the applicability of a recently proposed framework to sample the quantum dynamics of a many-body quantum system interacting with light by stochastic trajector…

quant-ph2024

Experimentally constrained wave function method

Stasis Chuchurka, Milaim Kas, Andrei Benediktovitch +1

In this work, we extend the x-ray constrained wavefunction fitting approach, a key method in quantum crystallography for charge density reconstruction, to incorporate experimental…

quant-ph2024

Stochastic modeling of superfluorescence in compact systems

Stasis Chuchurka, Vladislav Sukharnikov, Andrei Benediktovitch +1

We propose an approach based on stochastic differential equations to describe superfluorescence in compact ensembles of multi-level emitters in the presence of various incoherent p…

quant-ph2024

Stochastic modeling of x-ray superfluorescence

Stasis Chuchurka, Andrei Benediktovitch, Špela Krušič +2

An approach to modeling the dynamics of x-ray amplified spontaneous emission and superfluorescence -- the phenomenon of collective x-ray emission initiated by intense pulses of X-r…