Quantum simulation for high-energy physics

CW Bauer, Z Davoudi, AB Balantekin, T Bhattacharya… - PRX quantum, 2023 - APS
It is for the first time that quantum simulation for high-energy physics (HEP) is studied in the
US decadal particle-physics community planning, and in fact until recently, this was not …

Quantum simulation of fundamental particles and forces

CW Bauer, Z Davoudi, N Klco, MJ Savage - Nature Reviews Physics, 2023 - nature.com
Key static and dynamic properties of matter—from creation in the Big Bang to evolution into
subatomic and astrophysical environments—arise from the underlying fundamental …

Exploring large-scale entanglement in quantum simulation

MK Joshi, C Kokail, R van Bijnen, F Kranzl, TV Zache… - Nature, 2023 - nature.com
Entanglement is a distinguishing feature of quantum many-body systems, and uncovering
the entanglement structure for large particle numbers in quantum simulation experiments is …

Nonstabilizerness via perfect pauli sampling of matrix product states

G Lami, M Collura - Physical Review Letters, 2023 - APS
We introduce a novel approach to evaluate the nonstabilizerness of an N-qubits matrix
product state (MPS) with bond dimension χ. In particular, we consider the recently …

Quantum computation of dynamical quantum phase transitions and entanglement tomography in a lattice gauge theory

N Mueller, JA Carolan, A Connelly, Z Davoudi… - PRX Quantum, 2023 - APS
Strongly coupled gauge theories far from equilibrium may exhibit unique features that could
illuminate the physics of the early universe and of hadron and ion colliders. Studying real …

Chaos and operator growth in 2d CFT

S Khetrapal - Journal of High Energy Physics, 2023 - Springer
A bstract We study the out-of-time-ordered correlator (OTOC) in a zero temperature 2d large-
c CFT under evolution by a Liouvillian composed of the Virasoro generators. A bound was …

Entanglement and negativity Hamiltonians for the massless Dirac field on the half line

F Rottoli, S Murciano, E Tonni… - Journal of Statistical …, 2023 - iopscience.iop.org
We study the ground-state entanglement Hamiltonian of several disjoint intervals for the
massless Dirac fermion on the half-line. Its structure consists of a local part and a bi-local …

Reconstructing effective Hamiltonians from nonequilibrium (pre-) thermal steady states

S Nandy, M Schmitt, M Bukov, Z Lenarčič - arXiv preprint arXiv …, 2023 - arxiv.org
Reconstructing Hamiltonians from local measurements is key to enabling reliable quantum
simulation: both validating the implemented model, and identifying any left-over terms with …

Realizing the entanglement Hamiltonian of a topological quantum Hall system

Q Redon, Q Liu, JB Bouhiron, N Mittal, A Fabre… - arXiv preprint arXiv …, 2023 - arxiv.org
Topological quantum many-body systems, such as Hall insulators, are characterized by a
hidden order encoded in the entanglement between their constituents. Entanglement …

Finite temperature negativity Hamiltonians of the massless Dirac fermion

F Rottoli, S Murciano, P Calabrese - Journal of High Energy Physics, 2023 - Springer
A bstract The negativity Hamiltonian, defined as the logarithm of a partially transposed
density matrix, provides an operatorial characterisation of mixed-state entanglement …