419 citations · 5.7k across the 133 of their papers we have counts for
112 papers · 1 filter
Prethermalization by Random Multipolar Driving on a 78-Qubit Superconducting Processor
Zheng-He Liu, Yu Liu, Gui-Han Liang +43
Time-dependent drives hold the promise of realizing non-equilibrium many-body phenomena that are absent in undriven systems. Yet, drive-induced heating normally destabilizes the sy…
Efficient Lattice Hamiltonian Encoding for the Shortest Vector Problem
Eden Schirman, Cong Ling, Florian Mintert
The advent of quantum computing necessitates the transition of worldwide cryptosystems to post-quantum cryptography (PQC), which is founded upon the problem of finding short vector…
Quantum simulations of time-dependent Hamiltonians beyond the quasi-static approximation
Boyuan Shi, Florian Mintert
Existing approaches to analogue quantum simulations of time-dependent quantum systems rely on perturbative corrections to quantum simulations of time-independent quantum systems. W…
Statistical learning on randomized data to verify quantum state approximate k-designs
Kaustav Mukherjee, Sarah Chehade, Lorenzo Versini +3
Random ensembles of pure states have proven to be extremely important in various aspects of quantum physics such as benchmarking the performance of quantum circuits, testing for qu…
Quantum algorithmic solutions to the shortest vector problem on simulated coherent Ising machines
Edmund Dable-Heath, Laura Casas, Victor Hertz +3
Quantum computing poses a threat to contemporary cryptosystems, with advances to a state in which it will cause problems predicted for the next few decades. Many of the proposed cr…
Optimal control with a multidimensional quantum invariant
Modesto Orozco-Ruiz, Selwyn Simsek, Sahra A. Kulmiya +3
Optimal quantum control of continuous variable systems poses a formidable computational challenge because of the high-dimensional character of the system dynamics. The framework of…
Active Learning for Quantum Mechanical Measurements
Ruidi Zhu, Ciara Pike-Burke, Florian Mintert
The experimental evaluation of many quantum mechanical quantities requires the estimation of several directly measurable observables, such as local observables. Due to the necessit…
Fast Optomechanical Photon Blockade
Yuxun Ling, Sofia Qvarfort, Florian Mintert
The photon blockade effect is commonly exploited in the development of single-photon sources. While the photon blockade effect could be used to prepare high-fidelity single-photon…
Analogue Quantum Simulation with Fixed-Frequency Transmon Qubits
Sean Greenaway, Adam Smith, Florian Mintert +1
We experimentally assess the suitability of transmon qubits with fixed frequencies and fixed interactions for the realization of analogue quantum simulations of spin systems. We te…
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.…
Non-perturbative Floquet engineering of the toric-code Hamiltonian and its ground state
Francesco Petiziol, Sandro Wimberger, André Eckardt +1
We theoretically propose a quantum simulation scheme for the toric-code Hamiltonian, the paradigmatic model of a quantum spin liquid, based on time-periodic driving. We develop a h…
Scalable quantum control and non-abelian anyon creation in the Kitaev honeycomb model
Omar Raii, Florian Mintert, Daniel Burgarth
The Kitaev honeycomb model is a system allowing for experimentally realisable quantum computation with topological protection of quantum information. Practical implementation of qu…
Iterative Quantum Optimization with Adaptive Problem Hamiltonian
Yifeng Rocky Zhu, David Joseph, Cong Ling +1
Quantum optimization algorithms hold the promise of solving classically hard, discrete optimization problems in practice. The requirement of encoding such problems in a Hamiltonian…
Quantum invariant-based control of interacting trapped ions
Selwyn Simsek, Florian Mintert
Invariant-based inverse engineering is an elegant approach to quantum control with corresponding experimental implementations that perform tasks with applications in quantum inform…
Optimal control of families of quantum gates
Frederic Sauvage, Florian Mintert
Quantum Optimal Control (QOC) enables the realization of accurate operations, such as quantum gates, and support the development of quantum technologies. To date, many QOC framewor…
Certifying Multilevel Coherence in the Motional State of a Trapped Ion
Ollie Corfield, Jake Lishman, Chungsun Lee +6
Quantum coherence is one of the clearest departures from classical physics, exhibited when a system is in a superposition of different basis states. Here the coherent superposition…
Quantum mean value approximator for hard integer value problems
David Joseph, Antonio J. Martinez, Cong Ling +1
Evaluating the expectation of a quantum circuit is a classically difficult problem known as the quantum mean value problem (QMV). It is used to optimize the quantum approximate opt…
Quest for Vortices in Photon Condensates
Himadri S. Dhar, Zai Zuo, João D. Rodrigues +2
We predict that a photon condensate inside a dye-filled microcavity forms long-lived spatial structures that resemble vortices when incoherently excited by a focused pump orbiting…
Variational quantum algorithm with information sharing
Chris N. Self, Kiran E. Khosla, Alistair W. R. Smith +5
We introduce an optimisation method for variational quantum algorithms and experimentally demonstrate a 100-fold improvement in efficiency compared to naive implementations. The ef…
Deterministic preparation of non-classical states of light in cavity-optomechanics
Yuxun Ling, Florian Mintert
Cavity-optomechanics is an ideal platform for the generation non-Gaussian quantum states due to the anharmonic interaction between the light field and the mechanical oscillator; bu…
Efficient Assessment of Process Fidelity
Sean Greenaway, Frédéric Sauvage, Kiran E. Khosla +1
The accurate implementation of quantum gates is essential for the realisation of quantum algorithms and digital quantum simulations. This accuracy may be increased on noisy hardwar…
Quantum simulation of three-body interactions in weakly driven quantum systems
Francesco Petiziol, Mahdi Sameti, Stefano Carretta +2
The realization of effective Hamiltonians featuring many-body interactions beyond pairwise coupling would enable the quantum simulation of central models underpinning topological p…
Quantum control with a multi-dimensional Gaussian quantum invariant
Selwyn Simsek, Florian Mintert
The framework of quantum invariants is an elegant generalization of adiabatic quantum control to control fields that do not need to change slowly. Due to the unavailability of inva…
Transport and localization of light inside a dye-filled microcavity
Himadri S. Dhar, João D. Rodrigues, Benjamin T. Walker +3
The driven-dissipative nature of light-matter interaction inside a multimode, dye-filled microcavity makes it an ideal system to study nonequilibrium phenomena, such as transport.…