Uncover the latest and most impactful research in Quantum Simulation and Information Processing Systems. Explore pioneering discoveries, insightful ideas and new methods from leading researchers in the field.
Simulating the non-equilibrium dynamics of quantum field theories in nature is generally intractable with classical methods, but is a promising application for quantum computers. Unfortunately, simulating interacting bosonic fields using quantum...
Recent advances in quantum dot platforms have opened a new platform for realizing Majorana zero modes (MZMs) and simulating topological quantum computation. Here we propose an experimentally feasible setup for implementing topological \(\sqrt{X}\) X -...
One of the promising applications of digital quantum processors is the simulation of many-body quantum systems. They have been already used to investigate several ergodicity violating mechanisms, such as many-body localisation, Hilbert space...
High-energy particle collisions can convert energy into matter through the inelastic production of new particles. Quantum computers offer a route to simulating these out-of-equilibrium processes, but accessing post-collision dynamics and determining...
The ground state of the negatively charged NV center forms a spin–1 manifold providing a versatile platform for sensing and information processing. Here we present a scheme for implementing fast arbitrary qutrit gates in the low–field regime using...
Quantum computing has the potential to transform simulations of quantum many-body problems at the heart of electronic structure theory. Efficient quantum algorithms to compute the eigenstates of fermionic Hamiltonians, such as quantum phase...
We investigate variational quantum eigensolver (VQE) ansatzes for simulating the ground state of the long-range XY model. We compare entanglers based on parametric controlled- \(R_{x}\) ( \(CR_{x}\) ), \(R_{xx}\) and combined \(R_{xx}\) and \(R_{yy}\) ...
To achieve a fault-tolerant quantum computer, it is crucial to increase the coherence time of quantum bits. In this work, we theoretically investigate a system consisting of a series of superconducting qubits that alternate between XX and YY...
Simulating nonequilibrium dynamics of quantum many-body systems is one of the most promising applications of quantum computers. However, a faithful digital quantum simulation of the Hamiltonian evolution is very challenging in the present noisy...
Commercially relevant quantum computers will require large numbers of high-performing qubits that can be manufactured, integrated and controlled at scale. Silicon exchange-only qubits 1–10 are a strong candidate modality owing to their control-signal...
The investigation of strongly-correlated quantum matter is difficult due to the curse of dimensionality and intricate entanglement structures. These challenges are particularly pronounced in the vicinity of continuous quantum phase transitions,...
Over two decades ago, Bruce Kane proposed that spin-half phosphorus nuclei embedded in a spin-zero silicon substrate could serve as a viable platform for spin-based quantum computing. These nuclear spins exhibit remarkably long single-spin coherence...
In a phononic quantum network, quantum information is stored and processed within stationary nodes defined by solid-state spins, and phonons carry the information between nodes. Phonons have a number of benefits in comparison to photons, including...
A quantum computer requires the ability to store and manipulate information globally to protect against local noise. Topologically ordered phases 1,2 offer two routes: encoding information in the ground-state subspace 3 or in anyonic excitations 1,4,5 ....
Programmable quantum simulators based on neutral atom arrays today offer powerful platforms for studying strongly correlated phases of quantum matter. Here, we employ the projective symmetry group framework to describe the symmetry fractionalization...
Quantum variational algorithms (QVAs) are increasingly potent tools for simulating quantum many-body systems on noisy intermediate-scale quantum (NISQ) devices. This work examines the application of the variational quantum eigensolver (VQE) to four...
Spectroscopy underpins modern scientific discovery across diverse disciplines. While experimental spectroscopy probes material properties through scattering or radiation measurements, computational spectroscopy combines theoretical models with...
We develop and demonstrate methods for simulating the scattering of particle wave packets in the interacting Thirring model on digital quantum computers, with hardware implementations on up to 80 qubits. We identify low-entanglement time slices of...
Non-Abelian braiding operations, a fundamental mechanism for implementing topological quantum gate operations, have recently been simulated using classical acoustic and photonic waves. However, such operations relied on adiabatic non-Abelian...
Strongly correlated topological phases of matter are central to modern condensed matter physics and quantum information technology but often challenging to probe and control in material systems. The experimental difficulty of accessing these phases...
