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19932026
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Showing 2022 · quant-phShow all

18 papers · 2 filters

quant-ph2022★ 15 cited

Unbounded quantum backflow in two dimensions

Maximilien Barbier, Arseni Goussev, Shashi C. L. Srivastava

Quantum backflow refers to the counterintuitive fact that the probability can flow in the direction opposite to the momentum of a quantum particle. This phenomenon has been seen to…

quant-ph2022★ 2 cited

Anomalous relaxation of density waves in a ring-exchange system

Pranay Patil, Markus Heyl, Fabien Alet

We present the analysis of the slowing down exhibited by stochastic dynamics of a ring-exchange model on a square lattice, by means of numerical simulations. We find the preservati…

quant-ph2022★ 3 cited

Variational Quantum Gate Optimization at the Pulse Level

Sean Greenaway, Francesco Petiziol, Hongzheng Zhao +1

We experimentally investigate the viability of a variational quantum gate optimization protocol informed by the underlying physical Hamiltonian of fixed-frequency transmon qubits.…

quant-ph2022★ 29 cited

From Dual Unitarity to Generic Quantum Operator Spreading

Michael A. Rampp, Roderich Moessner, Pieter W. Claeys

Dual-unitary circuits are paradigmatic examples of exactly solvable yet chaotic quantum many-body systems, but solvability naturally goes along with a degree of non-generic behavio…

quant-ph2022★ 3 cited

Entanglement in the full state vector of boson sampling

Yulong Qiao, Joonsuk Huh, Frank Grossmann

The full state vector of boson sampling is generated by passing S single photons through beam splitters of M modes. The initial Fock state is expressed withgeneralized coherent sta…

quant-ph2022★ 40 cited

Topological synchronization of quantum van der Pol oscillators

Christopher W. Wächtler, Gloria Platero

To observe synchronization in a large network of classical or quantum systems demands both excellent control of the interactions between the nodes and very accurate preparation of…