Measurement-incompatibility constraints for maximal randomness Author(s): Tianqi Zheng, Yi Li, Yu Xiang, and Qiongyi HeCertifying maximal quantum randomness without assumptions about system dimension remains a pivotal challenge for secure communication and founda …
Tunable Fujita-Miyazawa-type three-body force in ultracold atoms Author(s): Hiroyuki Tajima, Eiji Nakano, and Kei IidaThe authors propose to use tabletop ultracold atomic experiments to simulate the Fujita-Miyazawa three-body force, which plays a crucial role in nu …
Impact of quadrature measurement on quantum coherence Author(s): Lucía Álvarez and Alfredo LuisWe examine the behavior of quadrature coherence under the measurement of the same field quadrature. This is carried out with the help of a beam splitter, which …
Engineering resonating kagome dimers in Rydberg-atom arrays Author(s): Xicheng Wang and Erich J. MuellerMotivated by experiments on Rydberg-atom arrays, we explore the properties of uniform quantum superpositions of kagome dimer configurations and construct an …
Quantum Hall correlations in tilted extended Bose-Hubbard chains Author(s): Hrushikesh Sable, Subrata Das, and Vito W. ScarolaThe authors theoretically demonstrate the characteristics of a bosonic fractional quantum Hall (FQH) state in a one-dimensional extended Bo …
Conveyor-belt superconducting quantum computer Author(s): Francesco Cioni, Roberto Menta, Riccardo Aiudi, Marco Polini, and Vittorio GiovannettiThe processing unit of a solid-state quantum computer consists of an array of coupled qubits, each loca …
QED nuclear recoil effect in helium isotope shift Author(s): Krzysztof Pachucki, Vojtěch Patkóš, and Vladimir A. YerokhinWe present a detailed investigation of the leading-order $m{α}^{5}$ QED correction with inclusion of the finite-nuclear-mass effe …
Vortex-photon-induced multipole transitions in atomic nuclei Author(s): Shiyu Liu and Liangliang JiWe investigate the interaction of high-energy vortex photons with atomic nuclei. By performing a multipole expansion of the optical-vortex field, we show that the …
Metrology using atoms in an array of double-well potentials Author(s): Danish Ali Hamza and Jan ChwedeńczukQuantum effects, such as entanglement, Einstein-Podolsky-Rosen steering, and Bell correlations, can enhance metrological sensitivity beyond the standard …
Time-diffracting two-dimensional wave vortices Author(s): Boris A. Khanikati and Konstantin Y. BliokhWave vortices constitute a large family of wave entities, closely related to phase singularities and orbital angular momentum (OAM). So far, two m …
Lower bounds on the non-Clifford cost of pseudoentanglement Author(s): Sabee Grewal, Vishnu Iyer, William Kretschmer, and Daniel LiangWe show that any pseudoentangled state ensemble with a gap of $t$ bits of entropy requires $\mathrm{Ω}(t)$ non-Clifford gates …
Discrete-time quantum walk of locally interacting walkers Author(s): Vikash Mittal and Tomasz SowińskiIn this work, we introduce a general form of a two-parameter family of local interactions between quantum walkers conditioned on the internal state of their …
Mode distinguishability in multiphoton interference Author(s): Noah Crum, Md Mehdi Hassan, and George SiopsisThe Hong-Ou-Mandel (HOM) effect is a quintessential process in various quantum information technologies and quantum optics applications. In thi …
Metastability in the dissipative quantum Rabi model Author(s): Da-Wu Xiao and Chong ChenThe dissipative quantum Rabi model exhibits rich nonequilibrium physics, including a dissipative phase transition from the normal phase to the superradiant phase. I …
Creating and detecting Weyl bosons with ultracold Fermi atoms Author(s): Xiaoyong Zhang and C. A. R. Sá de MeloThis work reveals that ultracold fermions, in the presence of spin-orbit coupling and Rabi fields, can host Weyl bosons: massless, helical collective e …
Single-photon scattering off a periodically modulated giant atom Author(s): Haozhen Li, Ran Zeng, Miao Hu, Xuefang Zhou, Mengmeng Xu, Jingping Xu, and Yaping YangControllable single-photon scattering of a periodically modulated two-level giant atom indirectly coupl …
Reservoir-engineered mechanical cat states with a driven qubit Author(s): M. Tahir NaseemMacroscopic quantum superpositions, such as mechanical Schrödinger-cat states, are central to emerging quantum technologies in sensing and bosonic error-correcting codes. We …
Small perturbations of coherent information Author(s): Zhen Wu, Zhihao Ma, and James FullwoodQuantum capacity quantifies the amount of quantum information that can be transmitted by a quantum channel with an arbitrary small probability of error …
Quantum contextuality requiring counterfactual gain Author(s): Yuki Sagawa, Jonte R. Hance, Holger F. Hofmann, and Takafumi OnoQuantum contextuality, where measurement outcomes depend on the measurement context, implies a failure of classical realism i …
Quantum-enhanced neural exchange-correlation functionals Author(s): Igor O. Sokolov, Gert-Jan Both, Art D. Bochevarov, Pavel A. Dub, Daniel S. Levine, Christopher T. Brown, Shaheen Acheche, Panagiotis Kl. Barkoutsos, and Vincent E. ElfvingKohn-Sham density …
Multistate imaginarity and coherence in qubit systems Author(s): Mao-Sheng Li, Rafael Wagner, and Lin ZhangTraditionally, the characterization of quantum resources has focused on individual quantum states. Recent literature, however, has increasingly exp …
Modular quantum extreme reservoir computing Author(s): Hon Wai Lau, Aoi Hayashi, Akitada Sakurai, William John Munro, and Kae NemotoQuantum reservoir computing employs fixed quantum dynamics as a feature map for machine learning. Integrating mu …
Topologically protected Bell-cat states in a simple spin model Author(s): B. Lajci, D. H. J. O'Dell, and J. MumfordWe consider the topological properties of the so-called central spin model that consists of $N$ identical spins coupled to a single distinguish …
Interactions in quantum networks with pulse propagation delays Author(s): Victor Rueskov Christiansen and Klaus MølmerThe finite speed of light of pulses implies propagation delays between the generation of light, the interaction with different elements along its …
Comment on “Quantifying entanglement with witness operators” Author(s): Taotao Yan and Jinchuan HouFor any bipartite Gaussian state, Sec. VI in [Phys. Rev. A 72, 022310 (2005)] proposed a quantification of Gaussian entanglement based on Gaussian entanglement wi …
Open harmonic chain: Exact versus global and local reduced dynamics Author(s): Melika Babakan, Fabio Benatti, and Laleh MemarzadehIn the following, we study the dissipative time evolution of a quantum chain consisting of three coupled harmonic oscillators, the first a …
Generation and certification of pure phase-entangled light Author(s): Rounak Chatterjee, Mayuresh S. Kanagal, Vikas S. Bhat, Kiran Bajar, and Sushil MujumdarBiphoton systems exhibiting entanglement in position-momentum variables, known as spatial entanglement …
Universal quantum control over bosonic networks Author(s): Zhu-yao Jin and Jun JingPerfect transfer of unknown states across distinct nodes is a basic function in bosonic quantum networks. Here we develop a general theory to construct an $N$-node b …
Completeness stability of quantum measurements Author(s): Rakesh Saini, Jukka Kiukas, Daniel Burgarth, and Alexei GilchristWe introduce a resource monotone, the completeness stability, to quantify the quality of quantum measurements within a resou …
Impact of boundary conditions on the double-kicked quantum rotor Author(s): Victoria Motsch, Nikolai Bolik, and Sandro WimbergerWe study the on-resonance spin-1/2 double-kicked rotor, a periodically driven quantum system that hosts topological phases. Motivated by …
Bose-Einstein condensates in a spin-twisted harmonic trap Author(s): Huaxin He, Fengtao Pang, Xianchao Zhang, Yongping Zhang, and Chunlei QuWe investigate the ground-state phases and spin-scissors dynamics of binary Bose-Einstein condensates confined in a tw …
Interacting Bose gases in twisted-bilayer optical lattices Author(s): Ganesh C. Paul, Patrik Recher, and Luis SantosRecent experiments have realized ultracold gases in twisted-bilayer optical lattices. We show that interacting bosons in these lattices present …