Real-time chiral dynamics at finite temperature from quantum simulation
Sign Up to like & getrecommendations! Published in 2024 at "Journal of High Energy Physics"
DOI: 10.1007/jhep10(2024)031
Abstract: In this study, we explore the real-time dynamics of the chiral magnetic effect (CME) at a finite temperature in the (1+1)-dimensional QED, the massive Schwinger model. By introducing a chiral chemical potential μ5 through a… read more here.
Keywords: real time; time; chiral dynamics; quantum simulation ... See more keywords
Experimental quantum simulation of fermion-antifermion scattering via boson exchange in a trapped ion
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-02507-y
Abstract: Quantum field theories describe a variety of fundamental phenomena in physics. However, their study often involves cumbersome numerical simulations. Quantum simulators, on the other hand, may outperform classical computational capacities due to their potential scalability.… read more here.
Keywords: quantum field; quantum simulation; ion; trapped ion ... See more keywords
Quantum simulation of ultrafast dynamics using trapped ultracold atoms
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-04556-3
Abstract: Ultrafast electronic dynamics are typically studied using pulsed lasers. Here we demonstrate a complementary experimental approach: quantum simulation of ultrafast dynamics using trapped ultracold atoms. Counter-intuitively, this technique emulates some of the fastest processes in atomic… read more here.
Keywords: quantum simulation; simulation ultrafast; trapped ultracold; ultrafast dynamics ... See more keywords
Parallel quantum simulation of large systems on small NISQ computers
Sign Up to like & getrecommendations! Published in 2020 at "npj Quantum Information"
DOI: 10.1038/s41534-021-00420-3
Abstract: Tensor networks permit computational and entanglement resources to be concentrated in interesting regions of Hilbert space. Implemented on NISQ machines they allow simulation of quantum systems that are much larger than the computational machine itself.… read more here.
Keywords: quantum; quantum simulation; parallel quantum; simulation ... See more keywords
Quantum simulation of 2D antiferromagnets with hundreds of Rydberg atoms.
Sign Up to like & getrecommendations! Published in 2021 at "Nature"
DOI: 10.1038/s41586-021-03585-1
Abstract: Quantum simulation using synthetic systems is a promising route to solve outstanding quantum many-body problems in regimes where other approaches, including numerical ones, fail1. Many platforms are being developed towards this goal, in particular based… read more here.
Keywords: rydberg; quantum simulation; many body; antiferromagnets hundreds ... See more keywords
Frustrated quantum magnetism with Bose gases in triangular optical lattices at negative absolute temperatures
Sign Up to like & getrecommendations! Published in 2019 at "Communications Physics"
DOI: 10.1038/s42005-020-0323-5
Abstract: Quantum antiferromagnets with geometrical frustration exhibit rich many-body physics but are hard to simulate by means of classical computers. Although quantum-simulation studies for analyzing such systems are thus desirable, they are still limited to high-temperature… read more here.
Keywords: bose gases; quantum simulation; lattices negative; optical lattices ... See more keywords
Analog quantum simulation of coupled electron-nuclear dynamics in molecules
Sign Up to like & getrecommendations! Published in 2024 at "Chemical Science"
DOI: 10.1039/d5sc04076k
Abstract: Quantum computing has the potential to reduce the computational cost required for quantum dynamics simulations. However, existing quantum algorithms for coupled electron-nuclear dynamics simulation either require fault-tolerant devices, or involve the Born–Oppenheimer (BO) approximation and… read more here.
Keywords: nuclear dynamics; electron nuclear; coupled electron; quantum simulation ... See more keywords
Superconducting quantum many-body circuits for quantum simulation and computing
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0008202
Abstract: Quantum simulators are attractive as a means to study many-body quantum systems that are not amenable to classical numerical treatment. A versatile framework for quantum simulation is offered by superconducting circuits. In this perspective, we… read more here.
Keywords: many body; superconducting quantum; quantum simulation; simulation ... See more keywords
Estimating exact energies in quantum simulation without Toffoli gates
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.052329
Abstract: Qubitization is a modern approach to estimate Hamiltonian eigenvalues without simulating its time evolution. While in this way approximation errors are avoided, its resource and gate requirements are more extensive: qubitization requires additional qubits to… read more here.
Keywords: exact energies; quantum simulation; without toffoli; toffoli gates ... See more keywords
Quantum simulation of quantum field theory in the light-front formulation
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.105.032418
Abstract: We develop quantum simulation algorithms based on the light-front formulation of relativistic quantum field theories. We analyze a simple theory in $1+1D$ and show how to compute the analogues of parton distribution functions of composite… read more here.
Keywords: quantum simulation; quantum field; light front; front formulation ... See more keywords
Digital quantum simulation of the BCS model with a central-spin-like quantum processor
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.107.062604
Abstract: The simulation of quantum systems is one of the most promising applications of quantum computers. In this paper we present a quantum algorithm to perform digital quantum simulations of the BCS model on a quantum… read more here.
Keywords: quantum; quantum simulation; digital quantum; simulation ... See more keywords