91 citations · 119 across the 33 of their papers we have counts for
14 papers · 1 filter
Predictive Beamforming via Echo-Beam Modality Separation with Cross-Attention for ISAC Systems
Seokjun Park, Jiwhan Jang, Jinseok Choi
In this paper, we propose a deep learning-based predictive beamforming algorithm for integrated sensing and communications in vehicle-to-infrastructure networks, where echo signals…
Resolving Structure in Prethermal Floquet Dynamics with Precision Quantum Computation
Eyal Leviatan, Tasneem Watad, Roy Perry +38
Periodically driven interacting quantum many-body systems can exhibit long-lived prethermal dynamics, where local observables retain coherent structure even as entanglement and ope…
Simulating the Dynamics of Markovian Quantum Processes by Quantum Collision Models on Quantum Computers
Zeqing Wang, Julian D. Teske, Anshuman Bhardwaj +2
Hamiltonian dynamics have been widely implemented on noisy intermediate-scale quantum devices in recent years. In contrast, experimental demonstrations of Markovian quantum dynamic…
Filter-assisted quantum subspace diagonalization via wavefunction sparsity engineering
Han Xu, Tomonori Shirakawa, Seiji Yunoki
Subspace diagonalization techniques based on quantum sampling, such as quantum selected configuration interaction (QSCI) and sample-based quantum diagonalization (SQD), have recent…
Noise and Configuration Recovery Impact on Quantum Selected Configuration Interaction
Nonia Vaquero-Sabater, Abel Carreras, Lukas Broers +3
Quantum-selected configuration interaction (QSCI) is a promising hybrid quantum-classical approach in which a quantum device generates configurations for subsequent classical diago…
High-Precision Variational Quantum SVD via Classical Orthogonality Correction
Shohei Miyakoshi, Takanori Sugimoto, Tomonori Shirakawa +2
Evaluating the entanglement spectrum is essential for characterizing exotic quantum phases such as quantum criticality and topological order. However, for large quantum many-body s…
Crossing the 12,000-atom barrier with heterogeneous quantum-classical supercomputing: quantum chemistry of protein-ligand complexes
Kenneth M. Merz, Akhil Shajan, Danil Kaliakin +21
We develop a workflow decomposing a molecule into fragments via quantum embedding and simulating them with a heterogeneous quantum-classical (HQC) method. We sample fragment electr…
Phase transitions in parametrized quantum circuits
Xiaoyang Wang, Han Xu, Lukas Broers +2
Phase transitions are among the most intriguing phenomena in physical systems, yet their behavior near criticality remain challenging to study using classical algorithms. Parameter…
Probing many-body localization crossover in quasiperiodic Floquet circuits on a quantum processor
Kazuma Nagao, Tomonori Shirakawa, Rongyang Sun +2
Many-body localization (MBL) provides a mechanism by which interacting quantum systems evade thermalization, leading to persistent memory of initial conditions and slow entanglemen…
Quantum synchronization and chimera states in a programmable quantum many-body system
Kazuya Shinjo, Kazuhiro Seki, Seiji Yunoki
Synchronization is a hallmark of collective behavior in classical nonlinear systems, yet its realization as a robust many-body phenomenon in coherent quantum systems remains largel…
Observation of Improved Accuracy over Classical Sparse Ground-State Solvers using a Quantum Computer
William Kirby, Bibek Pokharel, Javier Robledo Moreno +25
Demonstrating quantum advantage over classical algorithms for ground state energy problems is an outstanding open problem in quantum computation. We experimentally demonstrate that…
GPU-Accelerated Selected Basis Diagonalization with Thrust for SQD-based Algorithms
Jun Doi, Tomonori Shirakawa, Yukio Kawashima +2
Selected Basis Diagonalization (SBD) plays a central role in Sample-based Quantum Diagonalization (SQD), where iterative diagonalization of the Hamiltonian in selected configuratio…
Extending the Handover-Iterative VQE to Challenging Strongly Correlated Systems: and Fe-S Cluster
Pilsun Yoo, Kyungmin Kim, Eyuel E. Elala +10
Accurately describing strongly correlated electronic systems remains a central challenge in quantum chemistry, as electron-electron interactions give rise to complex many-body wave…
Dissipative ground-state preparation of a quantum spin chain on a trapped-ion quantum computer
Kazuhiro Seki, Yuta Kikuchi, Tomoya Hayata +1
We demonstrate a dissipative protocol for ground-state preparation of a quantum spin chain on a trapped-ion quantum computer. As a first step, we derive a Kraus representation of a…