[HTML][HTML] Nuclear shell-model simulation in digital quantum computers
The nuclear shell model is one of the prime many-body methods to study the structure of
atomic nuclei, but it is hampered by an exponential scaling on the basis size as the number …
atomic nuclei, but it is hampered by an exponential scaling on the basis size as the number …
Quantum simulations in effective model spaces: Hamiltonian-learning variational quantum eigensolver using digital quantum computers and application to the Lipkin …
Background: Quantum simulations offer the potential to predict the structure and dynamics of
nuclear many-body systems that are beyond the capabilities of classical computing …
nuclear many-body systems that are beyond the capabilities of classical computing …
[HTML][HTML] Multi-body entanglement and information rearrangement in nuclear many-body systems: a study of the Lipkin–Meshkov–Glick model
We examine how effective-model-space (EMS) calculations of nuclear many-body systems
rearrange and converge multi-particle entanglement. The generalized Lipkin–Meshkov …
rearrange and converge multi-particle entanglement. The generalized Lipkin–Meshkov …
Solving the Lipkin model using quantum computers with two qubits only with a hybrid quantum-classical technique based on the generator coordinate method
Y Beaujeault-Taudière, D Lacroix - Physical Review C, 2024 - APS
The possibility of using the generator coordinate method (GCM) using hybrid quantum-
classical algorithms with reduced quantum resources is discussed. The task of preparing the …
classical algorithms with reduced quantum resources is discussed. The task of preparing the …
Entanglement in selected binary tree states: Dicke or total spin states or particle-number-projected BCS states
D Lacroix - Physical Review C, 2024 - APS
Binary tree states (BTSs) are states whose decomposition on a quantum register basis
formed by a set of qubits can be made sequentially. Such states sometimes appear naturally …
formed by a set of qubits can be made sequentially. Such states sometimes appear naturally …
Quantum simulations of SO (5) many-fermion systems using qudits
Background: The structure and dynamics of many-body systems are the result of a delicate
interplay between underlying interactions. Fermionic pairing, for example, plays a central …
interplay between underlying interactions. Fermionic pairing, for example, plays a central …
Quantum correlations in molecules: from quantum resourcing to chemical bonding
The second quantum revolution is all about exploiting the quantum nature of atoms and
molecules to execute quantum information processing tasks. To boost this growing …
molecules to execute quantum information processing tasks. To boost this growing …
Quantum simulations in effective model spaces (i): Hamiltonian learning-VQE using digital quantum computers and application to the Lipkin-Meshkov-Glick model
The utility of effective model spaces in quantum simulations of non-relativistic quantum many-
body systems is explored in the context of the Lipkin-Meshkov-Glick model of interacting …
body systems is explored in the context of the Lipkin-Meshkov-Glick model of interacting …
Bipartite representations and many-body entanglement of pure states of indistinguishable particles
We analyze a general bipartite-like representation of arbitrary pure states of N
indistinguishable partcles, valid for both bosons and fermions, based on M-and (N− M) …
indistinguishable partcles, valid for both bosons and fermions, based on M-and (N− M) …
The extended Lipkin model: proposal for implementation in a quantum platform and machine learning analysis of its phase diagram
S Baid, A Sáiz, L Lamata, P Pérez-Fernández… - arXiv preprint arXiv …, 2024 - arxiv.org
We investigate the Extended Lipkin Model (ELM), whose phase diagram mirrors that of the
Interacting Boson Approximation model (IBA). Unlike the standard Lipkin model, the ELM (as …
Interacting Boson Approximation model (IBA). Unlike the standard Lipkin model, the ELM (as …