Dynamics of qubit entanglement in three-qubit Jaynes–Cummings model for biseparable intial states by Alexander R. Bagrov, Eugene K. Bashkirov

Subjects: “…qubits…”
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Dynamics of a two-qubit Tavis-Cummings model in the presence of an Ising-type interaction between qubits by E.K. Bashkirov

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Hexagons govern three-qubit contextuality by Metod Saniga, Frédéric Holweck, Colm Kelleher, Axel Muller, Alain Giorgetti, Henri de Boutray

“…Split Cayley hexagons of order two are distinguished finite geometries living in the three-qubit symplectic polar space in two different forms, called classical and skew. …”
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Optimizing qubit performance through smoothing techniques by Ivan P. Malashin, Igor S. Masich, Vadim S. Tynchenko, Aleksei S. Borodulin

“…Abstract This study explores an approach to enhance the performance of qubits by leveraging signal smoothing algorithms applied to qubit chips. …”
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Formulas for Generalized Two-Qubit Separability Probabilities by Paul B. Slater

“…These yield that part of the total separability probability, P(k,α), for generalized (real, complex, quaternionic, etc.) two-qubit states endowed with random induced measure, for which the determinantal inequality ρPT>ρ holds. …”
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Dynamics of Entanglement between a Quantum Dot Spin Qubit and a Photon Qubit inside a Semiconductor High-Q Nanocavity by Hubert Pascal Seigneur, Gabriel Gonzalez, Michael Niklaus Leuenberger, Winston Vaughan Schoenfeld

“…We investigate in this paper the dynamics of entanglement between a QD spin qubit and a single photon qubit inside a quantum network node, as well as its robustness against various decoherence processes. …”
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Extension of the Alberti-Uhlmann criterion beyond qubit dichotomies by Michele Dall'Arno, Francesco Buscemi, Valerio Scarani

“…The Alberti-Uhlmann criterion states that any given qubit dichotomy can be transformed into any other given qubit dichotomy by a quantum channel if and only if the testing region of the former dichotomy includes the testing region of the latter dichotomy. …”
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Optical single-shot readout of spin qubits in silicon by Andreas Gritsch, Alexander Ulanowski, Jakob Pforr, Andreas Reiserer

“…Abstract Small registers of spin qubits in silicon can exhibit hour-long coherence times and exceeded error-correction thresholds. …”
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Blueprint for All-to-All-Connected Superconducting Spin Qubits by Marta Pita-Vidal, Jaap J. Wesdorp, Christian Kraglund Andersen

“…Andreev (or superconducting) spin qubits (ASQs) have recently emerged as a promising qubit platform that combines superconducting circuits with semiconductor spin degrees of freedom. …”
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One-qubit purity in terms of the discrete Wigner transform by Manuel Ávila Aoki

“…Se presenta también la clase de la transformada discreta de Wigner (TDW) para el caso específico de un estado de un qubit. Asimismo, derivamos detalladamente el formalismo involucrado en la formulación del estado de un qubit en términos de la TDW. …”
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Verification of a resetting protocol for an uncontrolled superconducting qubit by Ming Gong, Feihu Xu, Zheng-Da Li, Zizhu Wang, Yu-Zhe Zhang, Yulin Wu, Shaowei Li, Youwei Zhao, Shiyu Wang, Chen Zha, Hui Deng, Zhiguang Yan, Hao Rong, Futian Liang, Jin Lin, Yu Xu, Cheng Guo, Lihua Sun, Juno Clark, Cheng-Zhi Peng, Yu-Ao Chen, Xiaobo Zhu, Jian-Wei Pan

“…We experimentally verify the simplest non-trivial case of a quantum resetting protocol, known as the $${{\mathcal{W}}}_{4}$$ W 4 protocol, with five superconducting qubits, testing it with different types of free evolutions and target–probe interactions. …”
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Cosmic muon flux attenuation methods for superconducting qubit experiments by Elia Bertoldo, Victor Pérez Sánchez, Maria Martínez, Manel Martínez, Hawraa Khalife, Pol Forn-Díaz

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FASQuiC: Flexible Architecture for Scalable Spin Qubit Control by Mathieu Toubeix, Eric Guthmuller, Adrian Evans, Antoine Faurie, Tristan Meunier

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Probing spin-electric transitions in a molecular exchange qubit by Florian le Mardelé, Ivan Mohelský, Jan Wyzula, Milan Orlita, Philippe Turek, Filippo Troiani, Athanassios K. Boudalis

“…Based on spin Hamiltonian simulations of the spectra, we identify the observed transitions and introduce the concept of a generalized exchange qubit. This applies to a wide class of molecular spin triangles, and includes the scalar chirality and the partial spin sum qubits as special cases.…”
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Phononic modulation of spin-lattice relaxation in molecular qubit frameworks by Aimei Zhou, Denan Li, Mingshu Tan, Yanpei Lv, Simin Pang, Xinxing Zhao, Zhifu Shi, Jun Zhang, Feng Jin, Shi Liu, Lei Sun

“…Abstract The solid-state integration of molecular electron spin qubits could promote the advancement of molecular quantum information science. …”
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Error threshold in active steering protocols for few-qubit systems by Nico Ackermann, Samuel Morales, Alfredo Levy Yeyati, Sebastian Diehl, Reinhold Egger

“…We study active steering protocols for weakly measured qubits in the presence of error channels due to amplitude and phase noise. …”
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Towards large-scale quantum optimization solvers with few qubits by Marco Sciorilli, Lucas Borges, Taylor L. Patti, Diego García-Martín, Giancarlo Camilo, Anima Anandkumar, Leandro Aolita

“…Moreover, we analytically prove that the specific qubit-efficient encoding brings in a super-polynomial mitigation of barren plateaus as a built-in feature. …”
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Gate modulation of the hole singlet-triplet qubit frequency in germanium by John Rooney, Zhentao Luo, Lucas E. A. Stehouwer, Giordano Scappucci, Menno Veldhorst, Hong-Wen Jiang

“…Abstract Spin qubits in germanium gate-defined quantum dots have made considerable progress within the last few years, partially due to their strong spin-orbit coupling and site-dependent g-tensors. …”
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Passive and active suppression of transduced noise in silicon spin qubits by Jaemin Park, Hyeongyu Jang, Hanseo Sohn, Jonginn Yun, Younguk Song, Byungwoo Kang, Lucas E. A. Stehouwer, Davide Degli Esposti, Giordano Scappucci, Dohun Kim

“…While nuclear spin-free materials, such as isotopically purified silicon, exhibit intrinsically promising coherence properties for electron spin qubits, the omnipresent charge noise, when converted to magnetic noise under a strong magnetic field gradient, often hinders stable qubit operation within a time frame comparable to the data acquisition time. …”
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BeSnake: A Routing Algorithm for Scalable Spin-Qubit Architectures by Nikiforos Paraskevopoulos, Carmen G. Almudever, Sebastian Feld

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