Search Results - "Kokail, Christian"
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1
Entanglement Hamiltonian tomography in quantum simulation
Published in Nature physics (01-08-2021)“…Entanglement is the crucial ingredient of quantum many-body physics, and characterizing and quantifying entanglement in the closed-system dynamics of quantum…”
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2
Symmetry-resolved entanglement detection using partial transpose moments
Published in npj quantum information (20-10-2021)“…We propose an ordered set of experimentally accessible conditions for detecting entanglement in mixed states. The k -th condition involves comparing moments of…”
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3
Theoretical and Experimental Perspectives of Quantum Verification
Published in PRX quantum (01-03-2021)“…In this perspective we discuss verification of quantum devices in the context of specific examples formulated as proposed experiments. Our first example is…”
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4
Simulating 2D Effects in Lattice Gauge Theories on a Quantum Computer
Published in PRX quantum (01-08-2021)“…Quantum computing is in its greatest upswing, with so-called noisy-intermediate-scale-quantum devices heralding the computational power to be expected in the…”
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5
Characterization and Verification of Trotterized Digital Quantum Simulation Via Hamiltonian and Liouvillian Learning
Published in PRX quantum (01-08-2022)“…The goal of digital quantum simulation is to approximate the dynamics of a given target Hamiltonian via a sequence of quantum gates, a procedure known as…”
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6
Entanglement Spectroscopy and probing the Li-Haldane Conjecture in Topological Quantum Matter
Published in Quantum (Vienna, Austria) (27-04-2022)“…Topological phases are characterized by their entanglement properties, which is manifest in a direct relation between entanglement spectra and edge states…”
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7
Probing Infinite Many-Body Quantum Systems with Finite-Size Quantum Simulators
Published in PRX quantum (01-04-2022)“…Experimental studies of synthetic quantum matter are necessarily restricted to approximate ground states prepared on finite-size quantum simulators. In…”
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8
Practical quantum advantage in quantum simulation
Published in Nature (London) (28-07-2022)“…The development of quantum computing across several technologies and platforms has reached the point of having an advantage over classical computers for an…”
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9
Mixed-State Entanglement from Local Randomized Measurements
Published in Physical review letters (13-11-2020)“…We propose a method for detecting bipartite entanglement in a many-body mixed state based on estimating moments of the partially transposed density matrix. The…”
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10
Variational Spin-Squeezing Algorithms on Programmable Quantum Sensors
Published in Physical review letters (31-12-2019)“…Arrays of atoms trapped in optical tweezers combine features of programmable analog quantum simulators with atomic quantum sensors. Here we propose variational…”
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11
Quantum Variational Learning of the Entanglement Hamiltonian
Published in Physical review letters (22-10-2021)“…Learning the structure of the entanglement Hamiltonian (EH) is central to characterizing quantum many-body states in analog quantum simulation. We describe a…”
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12
Cross-Platform Verification of Intermediate Scale Quantum Devices
Published in Physical review letters (10-01-2020)“…We describe a protocol for cross-platform verification of quantum simulators and quantum computers. We show how to measure directly the overlap Tr[ρ_{1}ρ_{2}]…”
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13
Exploring large-scale entanglement in quantum simulation
Published in Nature (London) (21-12-2023)“…Entanglement is a distinguishing feature of quantum many-body systems, and uncovering the entanglement structure for large particle numbers in quantum…”
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14
Hamiltonian and Liouvillian learning in weakly-dissipative quantum many-body systems
Published 10-05-2024“…We discuss Hamiltonian and Liouvillian learning for analog quantum simulation from non-equilibrium quench dynamics in the limit of weakly dissipative many-body…”
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15
Characterization and Verification of Trotterized Digital Quantum Simulation via Hamiltonian and Liouvillian Learning
Published 13-07-2022“…PRX Quantum 3, 030324 2022 The goal of digital quantum simulation is to approximate the dynamics of a given target Hamiltonian via a sequence of quantum gates,…”
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16
Entanglement Spectroscopy and probing the Li-Haldane Conjecture in Topological Quantum Matter
Published 26-04-2022“…Quantum 6, 702 (2022) Topological phases are characterized by their entanglement properties, which is manifest in a direct relation between entanglement…”
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17
Entanglement phase diagrams from partial transpose moments
Published 20-12-2022“…We present experimentally and numerically accessible quantities that can be used to differentiate among various families of random entangled states. To this…”
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18
Theoretical and Experimental Perspectives of Quantum Verification
Published 12-02-2021“…PRX Quantum 2, 010102 (2021) In this perspective we discuss verification of quantum devices in the context of specific examples, formulated as proposed…”
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19
Digital Quantum Simulation, Learning of the Floquet Hamiltonian, and Quantum Chaos of the Kicked Top
Published 29-08-2022“…J. Phys. A: Math. Theor. 55 334003 (2022) The kicked top is one of the paradigmatic models in the study of quantum chaos~[F.~Haake et al., \emph{Quantum…”
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20
Probing infinite many-body quantum systems with finite-size quantum simulators
Published 02-04-2022“…Experimental studies of synthetic quantum matter are necessarily restricted to approximate ground states prepared on finite-size quantum simulators. In…”
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