Search Results - "Li, Hekang"
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Generation of multicomponent atomic Schrödinger cat states of up to 20 qubits
Published in Science (American Association for the Advancement of Science) (09-08-2019)“…Multipartite entangled states are crucial for numerous applications in quantum information science. However, the generation and verification of multipartite…”
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2
Synthesis of antisymmetric spin exchange interaction and chiral spin clusters in superconducting circuits
Published in Nature physics (01-04-2019)“…According to quantum mechanics, chiral states cannot be non-degenerate eingenstates of a parity-conserving Hamiltonian. This is in contradiction to the…”
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3
Observation of energy-resolved many-body localization
Published in Nature physics (01-02-2021)“…Many-body localization (MBL) describes a quantum phase where an isolated interacting system subject to sufficient disorder displays non-ergodic behaviour,…”
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4
Controllable Switching between Superradiant and Subradiant States in a 10-qubit Superconducting Circuit
Published in Physical review letters (10-01-2020)“…Superradiance and subradiance concerning enhanced and inhibited collective radiation of an ensemble of atoms have been a central topic in quantum optics…”
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5
Digital quantum simulation of Floquet symmetry-protected topological phases
Published in Nature (London) (21-07-2022)“…Quantum many-body systems away from equilibrium host a rich variety of exotic phenomena that are forbidden by equilibrium thermodynamics. A prominent example…”
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Rapid and unconditional parametric reset protocol for tunable superconducting qubits
Published in Nature communications (11-10-2021)“…Qubit initialization is a critical task in quantum computation and communication. Extensive efforts have been made to achieve this with high speed, efficiency…”
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Metrological Characterization of Non-Gaussian Entangled States of Superconducting Qubits
Published in Physical review letters (15-04-2022)“…Multipartite entangled states are significant resources for both quantum information processing and quantum metrology. In particular, non-Gaussian entangled…”
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Observation of entanglement transition of pseudo-random mixed states
Published in Nature communications (08-04-2023)“…Random quantum states serve as a powerful tool in various scientific fields, including quantum supremacy and black hole physics. It has been theoretically…”
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9
Enhanced quantum state transfer by circumventing quantum chaotic behavior
Published in Nature communications (10-06-2024)“…The ability to realize high-fidelity quantum communication is one of the many facets required to build generic quantum computing devices. In addition to…”
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Observation of Bloch oscillations and Wannier-Stark localization on a superconducting quantum processor
Published in npj quantum information (19-03-2021)“…The Bloch oscillation (BO) and Wannier-Stark localization (WSL) are fundamental concepts about metal-insulator transitions in condensed matter physics. These…”
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Creating and controlling global Greenberger-Horne-Zeilinger entanglement on quantum processors
Published in Nature communications (12-10-2024)“…Greenberger-Horne-Zeilinger (GHZ) states, also known as two-component Schrödinger cats, play vital roles in the foundation of quantum physics and the potential…”
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Experimental demonstration of entanglement-enabled universal quantum cloning in a circuit
Published in npj quantum information (26-02-2021)“…No-cloning theorem forbids perfect cloning of an unknown quantum state. A universal quantum cloning machine (UQCM), capable of producing two copies of any…”
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13
Long-lived topological time-crystalline order on a quantum processor
Published in Nature communications (17-10-2024)“…Topologically ordered phases of matter elude Landau’s symmetry-breaking theory, featuring a variety of intriguing properties such as long-range entanglement…”
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14
Quantum generative adversarial networks with multiple superconducting qubits
Published in npj quantum information (01-12-2021)“…Generative adversarial networks are an emerging technique with wide applications in machine learning, which have achieved dramatic success in a number of…”
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15
Revealing inherent quantum interference and entanglement of a Dirac particle
Published in npj quantum information (10-10-2023)“…Although originally predicted in relativistic quantum mechanics, Zitterbewegung can also appear in some classical systems, which leads to the important…”
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16
Simulating unsteady flows on a superconducting quantum processor
Published in Communications physics (25-10-2024)“…Recent advancements of quantum technologies have triggered tremendous interest in exploring practical quantum advantage. The simulation of fluid dynamics, a…”
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17
Entanglement-interference complementarity and experimental demonstration in a superconducting circuit
Published in npj quantum information (02-05-2023)“…Quantum entanglement between an interfering particle and a detector for acquiring the which-path information plays a central role for enforcing Bohr’s…”
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18
Fabrication of Nb Superconducting Nanowires by Nanoimprint Lithography
Published in IEEE transactions on applied superconductivity (01-06-2015)“…Nanoimprint lithography (NIL) is considered to be an attractive nonconventional lithographic technique in the fabrication of nanostructures with many…”
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19
Stark Many-Body Localization on a Superconducting Quantum Processor
Published in Physical review letters (10-12-2021)“…Quantum emulators, owing to their large degree of tunability and control, allow the observation of fine aspects of closed quantum many-body systems, as either…”
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Two-Dimensional Superconductivity at the LaAlO3/KTaO3 (110) Heterointerface
Published in Physical review letters (13-01-2021)“…We report on the observation of a Tc ∼ 0.9 K superconductivity at the interface between LaAlO 3 film and the 5 d transition metal oxide KTaO3 (110) single…”
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