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Nuclear Theory·nucl-th

Friday·June 12, 2020

5 papers—2 primary·3 cross-listed

All5Primary2Cross-lists3
  1. 01

    Turning up and down strong magnetic fields in relativistic nuclear collisions

    Giuliano Giacalone🇫🇷

    I show that the average transverse momentum, , of the hadrons emitted in relativistic nuclear collisions can be used as a ``knob'' to control the strength of the magnetic field induced by the spectator and the participant protons over the overlap region. I thus argue that any observable sensitive to this magnetic field is nontrivially correlated with at a given collision centrality.

    nucl-thhep-exhep-phnucl-exPLB(2020)·2 citations
  2. 02

    Symmetry assisted preparation of entangled many-body states on a quantum computer

    D. Lacroix🇫🇷

    Starting from the Quantum-Phase-Estimate (QPE) algorithm, a method is proposed to construct entangled states that describe correlated many-body systems on quantum computers. Using operators for which the discrete set of eigenvalues is known, the QPE approach is followed by measurements that serve as projectors on the entangled states. These states can then be used as inputs for further quantum or hybrid quantum-classical processing. When the operator is associated to a symmetry of the Hamiltonian, the approach can be seen as a quantum--computer formulation of symmetry breaking followed by symmetry restoration. The method proposed in this work, called Discrete Spectra Assisted (DSA), is applied to superfluid systems. By using the blocking technique adapted to qubits, the full spectra of a pairing Hamiltonian is obtained.

    nucl-thquant-phPRL(2020)·64 citations

Affiliations

first authorsco-authorsvia INSPIRE