160 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- RIKENJP29 papers
- University of MichiganUS28 papers
- RIKEN Center for Advanced PhotonicsJP11 papers
- The University of TokyoJP7 papers
- Kavli Institute for the Physics and Mathematics of the UniverseJP6 papers
- Kyoto UniversityJP6 papers
- Nanjing UniversityCN6 papers
- Hangzhou Normal UniversityCN5 papers
- Shangrao Normal UniversityCN5 papers
- Computing CenterRU4 papers
- RIKEN Center for Quantum Computing4 papers
- Adam Mickiewicz University in PoznańPL3 papers
28 papers · 1 filter
Scaling Quantum Machine Learning without Tricks: Full-Resolution and Diverse Image Generation
Jonas Jäger, Florian J. Kiwit, Carlos A. Riofrío
Quantum generative modeling is a rapidly evolving discipline at the intersection of quantum computing and machine learning. Contemporary quantum machine learning is generally limit…
Quantum feature-map learning with reduced resource overhead
Jonas Jäger, Philipp Elsässer, Elham Torabian
Current quantum computers require algorithms that use limited resources economically. In quantum machine learning, success hinges on quantum feature-maps, which embed classical dat…
Cavity QED based on strongly localized modes: exponentially enhancing single-atom cooperativity
Qian Bin, Ying Wu, Jin-Hua Gao +3
Large single-atom cooperativity in quantum systems is important for quantum information processing. Here, we propose to exponentially enhance the single-atom cooperativity paramete…
Macroscopic Particle Transport in Dissipative Long-Range Bosonic Systems
Hongchao Li, Cheng Shang, Tomotaka Kuwahara +1
Dissipation in quantum many-body systems provides a more general and experimentally realistic perspective on particle transport than closed quantum systems. In this work, we determ…
Controller-decoder system requirements derived by implementing Shor's algorithm with surface code
Yaniv Kurman, Lior Ella, Nir Halay +2
Quantum Error Correction (QEC) is regarded as the most promising path to quantum advantage. The success of QEC relies on achieving quantum gate fidelities below the error threshold…
Asymptotic quantification of entanglement with a single copy
Ludovico Lami, Mario Berta, Bartosz Regula
Despite the central importance of quantum entanglement in quantum technologies, the understanding of the optimal ways to exploit it is still beyond our reach, and even measuring en…
Quantum amplification and simulation of strong and ultrastrong coupling of light and matter
Wei Qin, Anton Frisk Kockum, Carlos Sánchez Muñoz +2
The interaction of light and matter at the single-photon level is of central importance in various fields of physics, including, e.g., condensed matter physics, astronomy, quantum…
Phonon-photon conversion as mechanism for cooling and coherence transfer
Alessandro Ferreri, David Edward Bruschi, Frank K. Wilhelm +2
The dynamical Casimir effect is the physical phenomenon where the mechanical energy of a movable wall of a cavity confining a quantum field can be converted into quanta of the fiel…
Effective Field Theories and Finite-temperature Properties of Zero-dimensional Superradiant Quantum Phase Transitions
Zi-Yong Ge, Heng Fan, Franco Nori
The existence of zero-dimensional superradiant quantum phase transitions seems inconsistent with conventional statistical physics. This work clarifies this apparent inconsistency.…
Supervised learning for robust quantum control in composite-pulse systems
Zhi-Cheng Shi, Jun-Tong Ding, Ye-Hong Chen +4
In this work, we develop a supervised learning model for implementing robust quantum control in composite-pulse systems, where the training parameters can be either phases, detunin…
Quantum field heat engine powered by phonon-photon interactions
Alessandro Ferreri, Vincenzo Macrì, Frank K. Wilhelm +2
We present a quantum heat engine based on a cavity with two oscillating mirrors that confine a quantum field as the working substance. The engine performs an Otto cycle during whic…
Exponential sensitivity revival of noisy non-Hermitian quantum sensing with two-photon drives
Liying Bao, Bo Qi, Franco Nori +1
Unique properties of multimode non-Hermitian lattice dynamics can be utilized to construct exponentially sensitive sensors. However, the impact of noise remains unclear, which may…
Extension of Noether's theorem in PT-symmetric systems and its experimental demonstration in an optical setup
Q. C. Wu, J. L. Zhao, Y. L. Fang +4
Noether's theorem is one of the fundamental laws in physics, relating the symmetry of a physical system to its constant of motion and conservation law. On the other hand, there exi…
Quantum Coherent Control of a Single Molecular-Polariton Rotation
Li-Bao Fan, Chuan-Cun Shu, Daoyi Dong +3
We present a combined analytical and numerical study for coherent terahertz control of a single molecular polariton, formed by strongly coupling two rotational states of a molecule…
Entanglement Generation and Decoherence in a Two-Qubit System Mediated by Relativistic Quantum Field
Yoshimasa Hidaka, Satoshi Iso, Kengo Shimada
Motivated by the Bose et al.-Matletto-Vedral (BMV) proposal for detecting quantum superposition of spacetime geometries, we study a toy model of a quantum entanglement generation b…
Quantum state discrimination in a PT-symmetric system
Dong-Xu Chen, Yu Zhang, Jun-Long Zhao +4
Nonorthogonal quantum state discrimination (QSD) plays an important role in quantum information and quantum communication. In addition, compared to Hermitian quantum systems, parit…
Experimental investigation of wave-particle duality relations in asymmetric beam interference
Dong-Xu Chen, Yu Zhang, Jun-Long Zhao +4
Wave-particle duality relations are fundamental for quantum physics. Previous experimental studies of duality relations mainly focus on the quadratic relation , based…
Entanglement Dynamics in Anti--Symmetric Systems
Yu-Liang Fang, Jun-Long Zhao, Dong-Xu Chen +5
In the past years, many efforts have been made to study various noteworthy phenomena in both parity-time () and anti-parity-time () symmetric systems.…
Fully solvable finite simplex lattices with open boundaries in arbitrary dimensions
Ievgen I. Arkhipov, Adam Miranowicz, Franco Nori +2
Finite simplex lattice models are used in different branches of science, e.g., in condensed matter physics, when studying frustrated magnetic systems and non-Hermitian localization…
Enhanced-Fidelity Ultrafast Geometric Quantum Computation Using Strong Classical Drives
Ye-Hong Chen, Adam Miranowicz, Xi Chen +2
We propose a general approach to implement nonadiabatic geometric single- and two-qubit gates beyond the rotating wave approximation (RWA). This protocol is compatible with most op…
Regimes of Cavity-QED under Incoherent Excitation: From Weak to Deep Strong Coupling
Alberto Mercurio, Vincenzo Macrì, Chris Gustin +3
The prototypical system constituted by a two-level atom interacting with a quantized single-mode electromagnetic field is described by the quantum Rabi model (QRM). The QRM is pote…
Experimental demonstration of coherence flow in - and anti--symmetric systems
Yu-Liang Fang, Jun-Long Zhao, Yu Zhang +5
Non-Hermitian parity-time () and anti-parity-time ()-symmetric systems exhibit novel quantum properties and have attracted increasing interest. Althoug…
Revealing higher-order light and matter energy exchanges using quantum trajectories in ultrastrong coupling
V. Macrì, F. Minganti, A. F. Kockum +3
The dynamics of open quantum systems is often modelled using master equations, which describe the expected outcome of an experiment (i.e., the average over many realizations of the…
Fundamental limits for reciprocal and non-reciprocal non-Hermitian quantum sensing
Liying Bao, Bo Qi, Daoyi Dong +1
Non-Hermitian dynamics has been widely studied to enhance the precision of quantum sensing; and non-reciprocity can be a powerful resource for non-Hermitian quantum sensing, as non…