Data and code for collision-model Dicke-state preparation: depth-fidelity frontiers, circuit costs, and superconducting-processor measurementsDicke states are multipartite entangled states in which a fixed number of quantum excitations is coherently shared among many qubits. Originally introduced in the context of cooperative emission and…Duc-Kha Vu, Minh Tam Nguyen, Şahin K. Özdemir et al.·Aug 31, 2026SaveLearn
End-to-End Quantum Semantic Communication with Variational Quantum Neural NetworksThis paper presents a quantum semantic communication (QSemCom) framework combining quantum machine learning (QML) and semantic communication (SemCom). Classical data are compressed into…Melek Krichen, Nikhitha Nunavath, Riccardo Bassoli et al.·Aug 30, 2026SaveLearn
Isospectral potentials with Dirac delta interaction: Constrained SpectraWe study quantum potentials containing Dirac delta function (DDF) within its supersymmetric (isospectral) construction via a discontinuous superpotential, instead of being simply an added part. This…Kumar Abhinav, Biswanath Rath, Prasanta K. Panigrahi·Aug 30, 2026SaveLearn
Newtonian Gravitational Curvature-Induced Entanglement GenerationWe show that gravitational curvature can control the generation of nonlocal quantum correlations in a hybrid qubit-mechanical device. The tidal field of a nearby source mass modifies the…Mughees Ahmad Khan, Asad Ali, M. I Hussain et al.·Aug 30, 2026SaveLearn
Frame phase retrievability and state distinguishability of quantum channelsThis survey introduces the role of frame phase retrieval in pure-state identification and information preservation by quantum channels. For unit vectors, the lift x xx* identifies vectors…Deguang Han, Kai Liu·Aug 30, 2026SaveLearn
The MS Unidirectional Current as a Generalization of the ABC Absorption CurrentFor a free scalar particle in one spatial dimension, in a single-pass half-line geometry, we compare the absorbing Robin boundary condition with the generalized Marchewka--Schuss (MS)…Avi Marchewka·Aug 30, 2026SaveLearn
Exact Entanglement Swapping through Single-Occupancy Measurements in Gaussian Fermion StatesWe determine the exact entanglement structure of the conditional state obtained by measuring m corresponding rungs (m≤ N/2) in two identical copies of an arbitrary half-filled free fermion…Jiyuan Fang·Aug 30, 2026SaveLearn
Emergence of Strategic Equilibria from Transverse Field Ising Hamiltonian DynamicsGame theory studies strategic decision-making among rational agents, and many classical games can be mapped onto interaction models such as the Ising model. Quantum game theory extends this framework…Teena Thomas, S. Balakrishnan·Aug 30, 2026SaveLearn
Exact Resource Laws for Passive Wavelength Routing in Entanglement NetworksEntanglement-based networks provide a scalable framework for multiuser quantum communication by passively routing spectrally correlated photon pairs across interconnected nodes. Several…Ekta Panwar, Gilberto Borges, Saeid Salari et al.·Aug 30, 2026SaveLearn
Decay versus dephasing in Rydberg analog optimization: exchange rate, mechanism, and schedule designNumerical studies of noisy Rydberg-atom optimization almost universally compress decoherence into a single scalar, silently pricing spontaneous decay (Γ) and dephasing (γ) alike. We treat the two…Seunghyeon Kim, Junwoo Jung·Aug 30, 2026SaveLearn
Ancilla-mediated fixed-point quantum search using Grover iterationsGrover's quantum search algorithm provides a fundamental quadratic speedup for unstructured datasets, reducing query complexity from O(N) to O(N). However, the…Yash Prabhat, Snigdha Thakur, Ankur Raina·Aug 30, 2026SaveLearn
Dark state as a measurable state by a dispersive readout without a Purcell limitIt is believed that the enhancement in qubit-resonator coupling allows a better dispersive readout but introduces greater Purcell loss. In this work, we propose that a dark mode in a coupled quantum…Wei-Chen Chien, Jyh-Yang Wang, Yen-Yu Chiang et al.·Aug 30, 2026SaveLearn
Pathwise Random Hamiltonian SimulationRandomized product formulas such as qDrift offer a resource-efficient alternative to deterministic Trotter--Suzuki decompositions for Hamiltonian simulation, removing their polynomial dependence on…Davide Cugini·Aug 30, 2026SaveLearn
The quantum supremum of the I3322 Bell inequality is not attained in finite dimensionIn 2010, Pál and Vértesi found a family of finite-dimensional strategies for the I3322 Bell inequality whose optimized values appeared to converge as the local Hilbert-space dimension grew. They…Jef Pauwels·Aug 30, 2026SaveLearn
Kempe-Invariant Ordering of Three-Qubit Pairwise Entanglement under Local DepolarizationPure three-qubit states with the same pairwise concurrences and three-tangle can still have different Kempe invariants. We show that the Kempe invariant orders the entanglement dynamics of all three…Wei Song, Xiao-Lan Zong, Ming Yang·Aug 30, 2026SaveLearn
Imaging Stars at the Quantum Compatibility LimitImaging astrophysical sources with a multi-station interferometer is intrinsically a multiparameter quantum-estimation problem. Using tools from multiparameter quantum metrology, we show that…Xinyao Guo, Haixing Miao, Zheng Cai et al.·Aug 30, 2026SaveLearn
Analytical diagonalization of the open-boundary bosonic Kitaev chain: An asymmetric plane-wave ansatz approachThe bosonic Kitaev chain under open boundary conditions has attracted recent attention due to its realization in driven-dissipative systems and its intriguing non-Hermitian boundary physics. The…Ning Wu, Wen-Long You·Aug 30, 2026SaveLearn
Asymptotic Entanglement across Dynamical Regimes of a Dissipative Bosonic DimerDynamical instability in parametrically driven bosonic systems is generally associated with diverging occupations and the absence of a stationary state, but its implications for long-time…Chenghe Yu, Mingsheng Tian, Feng-Xiao Sun et al.·Aug 30, 2026SaveLearn
Evolution Generators for Complex ParametersTheoretical studies on how quantum systems are affected by external factors are often formulated through parameter changes in the system's Hamiltonian. Beyond Berry connections and phases, which…Jen-Yin Yeh, Chia-Yi Ju·Aug 30, 2026SaveLearn
Thresholdless dynamical instability in transverse PT-symmetric scattering systems: The hidden role of bound states in the continuumThe stationary scattering properties of transverse parity-time (PT) symmetric systems have been extensively studied, yet their dynamical stability, a prerequisite for any stationary…Chao Zheng·Aug 30, 2026SaveLearn
Demonstration of traveling-wave interactions between spontaneous photon emissions and atoms in a chiral F-P cavityThe enhancement of atom-photon interactions with F-P cavities provides a suitable platform for studying quantum optics and atomic physics. However, the emission fields in linear F-P cavities are in…Jiajin Lu, Minjie Wang, Haole Jiao et al.·Aug 30, 2026SaveLearn
Quantum PessilandPessiland is a world where NP is hard on average but one-way functions (OWFs) do not exist [Impagliazzo 1995]. Because almost all classical cryptographic primitives imply OWFs [Impagliazzo and Luby…Boyang Chen, Tomoyuki Morimae, Takashi Yamakawa·Aug 30, 2026SaveLearn
Encrypted Redundancy as a Diagnostic Resource: Relational Diagnosis in Quantum Encrypted CloningQuantum encrypted cloning encodes an unknown state into several encrypted components, each offering an alternative way to recover it later. We show that this redundancy can also serve for one-shot…Gabriele Gianini, Omar Hasan, Stelvio Cimato et al.·Aug 29, 2026SaveLearn
Non-Markovian Quantum Decay in Complex Environments: A Hyperstatistical ApproachThe exponential decay of an unstable quantum state, as described by standard Markovian theories such as Fermi's Golden Rule, assumes a simple, structureless environment. However, in complex…Nicola Fabiano·Aug 29, 2026SaveLearn
The resource cost of magic in a code blockWe bound the magic of a post-selected logical measurement by the resource that produced it. The setting is one code block with one logical qubit and an adaptive protocol that measures, feeds forward…Jiachen Shen, Hui Zhong·Aug 29, 2026SaveLearn