Papers

Apimuk Sornsaeng, Si Min Chan, Wenxuan Zhang +3 more·Apr 7, 2026

Quantum-inspired tensor networks algorithms have shown to be effective and efficient models for machine learning tasks, including anomaly detection. Here, we propose a highly parallelizable quantum-inspired approach which we call SMT-AD from Superpos...

Fang Xie, Ying Yang, Tinggui Zhang +1 more·Apr 7, 2026

To characterize the effect of Hawking radiation induced by the quantum atmosphere beyond the event horizon on entanglement, we employ concurrence as the entanglement measure for a bipartite mixed state and investigate its evolution with Hawking tempe...

Xukun Wang, Xiaofen Huang, Zhihao Ma +2 more·Apr 7, 2026

Quantum battery capacity, as a critical metric for quantifying energy storage and release in quantum systems, exhibits complex behaviors in curved spacetime and noisy environments. This study focuses on bipartite mixed state, aiming to explore the mo...

Alexander Pirker·Apr 7, 2026

In this work we propose an addressing scheme for quantum networks which relies on quantum states held by devices. Quantum network devices use their address state together with a request state that encodes the tasks to be executed. Our approach not on...

Koki Aoyama, Takafumi Tomita, Fumihiko Ino·Apr 7, 2026

This paper proposes a scalable planning algorithm for creating defect-free atom arrays in neutral-atom systems. The algorithm generates a $\mathcal{O}(\sqrt N)$ time plan for $N$ atoms by parallelizing atom transport using a two-dimensional lattice p...

Jie Gu·Apr 7, 2026

Phys. Rev. B 113, 165102 (2026) proposed the conjecture that, for quantum quenches within the same phase, the overlap between the initial ground state and postquench eigenstates is maximal for the postquench ground state. We show that this conjecture...

Zhe Zhao, Haibin Wen, Jiaming Ma +4 more·Apr 7, 2026

An important recurring pattern in scientific breakthroughs is a two-stage process: an initial phase of undirected experimentation that yields an unexpected finding, followed by a retrospective phase that explains why the finding works and situates it...

Alexander M. McKillop, Marissa L. Weichman·Apr 6, 2026

Nonlinear spectroscopy is widely used to study the transient dynamics of molecules under strong light-matter coupling, though it remains unclear to what extent uncoupled intracavity molecules obscure signals from the strongly-coupled species of inter...

Miguel Tierz·Apr 6, 2026

We show that, for non-interacting fermions under a monochromatic phase drive (Tien--Gordon regime), the outgoing sideband occupations at a sharp Fermi edge are governed by the discrete Bessel kernel -- an exact result at any drive amplitude~$A$. In t...

Zihan Zhou, Tian-Hua Yang, Bo-Ting Chen·Apr 6, 2026

We find that rank deficiency of the local Hamiltonian in a classically fragmented model is the key mechanism leading to quantum Hilbert space fragmentation. The rank deficiency produces local null directions that can generate entangled frozen states ...

Keshab Sony, Yan He, Chih-Chun Chien·Apr 6, 2026

While planar Fermi superfluids form Abrikosov vortex lattices under magnetic or effective gauge fields, spherical geometry forbids perfect lattices above 20 vortices. We characterize approximate vortex structures of atomic Fermi superfluids under an ...

Jasel Berra-Montiel, Alberto Molgado, Mar Sánchez-Córdova·Apr 6, 2026

In this paper, we formulate the phase space description of qubit systems using coadjoint orbits of $SU(2)$ and the Stratonovich-Weyl correspondence, yielding a deformation quantization on the sphere. The resulting star product reproduces the operator...

Aleksandrs Belovs·Apr 6, 2026

In this paper, we introduce a new quantum query lower bound framework. It is inspired by Zhandry's compressed oracle technique, but it also subsumes the polynomial method as a special case. Compared to Zhandry's technique, our approach has two key di...

Kun Liu, Shifan Xu, Tomas Jochym-O'Connor +3 more·Apr 6, 2026

Quantum low-density parity-check (qLDPC) codes can encode many logical qubits within a single code block at low physical qubit overhead, yet magic state injection into such codes remains largely underexplored. Existing state injection proposals for q...

Mylenne Manrique, Ilaria Gianani, Marco Barbieri +2 more·Apr 6, 2026

Optical frequency combs combine ultrashort pulse duration and phase stability, making them powerful resources for high-precision ranging even when affected by atmospheric dispersion. It has been established that by classical modal engineering and mdo...

Maria Mucci, Nicholas Hougland, Chun-Che Wang +4 more·Apr 6, 2026

We demonstrate a circuit QED analog of an atomic micromaser that utilizes an artificial, multi level atom, pumped into a population-inverted state by a microwave tone, as the gain medium. Our demonstration is enabled by the flexibility of the circuit...

Andrew M. Childs, Lincoln Johnston, Brian Kiedrowski +2 more·Apr 6, 2026

We develop a hybrid classical-quantum algorithm to solve a type of linear reaction-diffusion equation, the neutron diffusion (generalized) k-eigenvalue problem that establishes nuclear criticality. The algorithm handles an equation with piecewise con...

S. S. Baturin·Apr 6, 2026

We demonstrate that a weak nonlinear magnetic entrance edge induces a tennis-racket (Dzhanibekov) instability in the shell-resolved orbital pseudospin dynamics of twisted electrons propagating in a nominally uniform solenoidal field. Starting from a ...

Rajes Ghosh, Rajendra Prasad Bhatt, Sumanta Chakraborty +1 more·Apr 6, 2026

Second-order ordinary linear differential equations appear ubiquitously across physics, describing the behavior of systems from the quantum world of atoms to the classical world of gravitating bodies. We present a unified symmetry-based framework tha...

Angela Q. Chen, Xian Wu, Sarah Strong +1 more·Apr 6, 2026

Tunable couplers in superconducting qubit architectures enable strong qubit-qubit interactions for two-qubit gates while suppressing unwanted coupling during single-qubit operations. However, achieving low error rates for fast two-qubit gates remains...