most citedPhenomenon of a stronger trapping behaviour in -type quantum systems with symmetry

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quant-ph2026★ 6 cited

Phenomenon of a stronger trapping behaviour in -type quantum systems with symmetry

Boris Volkov, Anastasia Myachkova, Alexander Pechen

, , (ladder), and other three-level quantum systems with one forbidden transition (referred here as -type systems) play an important role in quantum physics. Variou…

quant-ph2026

Diverse efficiency of observable optimization for four-level quantum systems with higher-order traps

Alexander Pechen, Boris Volkov

In this work, we perform an analytical and numerical analysis of quantum landscapes for controlling special four-level quantum systems for which we prove that the null control is a…

quant-ph2026

Spanning-tree-packing protocol for conference key propagation in quantum networks

Anton Trushechkin, Hermann Kampermann, Dagmar Bruß

We consider a network of users connected by pairwise quantum key distribution (QKD) links. Using these pairwise secret keys and public classical communication, the users want to ge…

quant-ph2026

Scalable platform for qudit-based quantum computing using polar molecules

Soleh Kh. Muminov, Evgeniy O. Kiktenko, Anastasiia S. Nikolaeva +4

We propose a scalable qudit-based quantum processor using rotational states of polar molecules. Previously, molecular internal states were used to enlarge Hilbert space, whereas ou…

quant-ph2026

Coherence restoring in communication line via controlled interaction with environment

E. B. Fel'dman, I. D. Lazarev, A. N. Pechen +1

We consider the state-restoring protocol based on the controlled interaction of a linear chain with environment through { incoherent control by} the specially adjusted step-wise ti…