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Markovianity of an emitter coupled to a structured spin chain bath
J. Roos, J. I. Cirac, M. C. Bañuls
We analyze the dynamics of a spin 1/2 subsystem coupled to a spin chain. We simulate numerically the full quantum many-body system for various sets of parameters and initial states…
Wigner Crystals in Two-Dimensional Transition-Metal Dichalcogenides: Spin Physics and Readout
Johannes Knörzer, Martin J. A. Schuetz, Geza Giedke +5
Wigner crystals are prime candidates for the realization of regular electron lattices under minimal requirements on external control and electronics. However, several technical cha…
Simulating Lattice Gauge Theories within Quantum Technologies
M. C. Bañuls, R. Blatt, J. Catani +17
Lattice gauge theories, which originated from particle physics in the context of Quantum Chromodynamics (QCD), provide an important intellectual stimulus to further develop quantum…
Quantum East model: localization, non-thermal eigenstates and slow dynamics
Nicola Pancotti, Giacomo Giudice, J. Ignacio Cirac +2
We study in detail the properties of the quantum East model, an interacting quantum spin chain inspired by simple kinetically-constrained models of classical glasses. Through a com…
Multimode Fock states with large photon number: effective descriptions and applications in quantum metrology
M. Perarnau-Llobet, A. González-Tudela, J. I. Cirac
We develop general tools to characterise and efficiently compute relevant observables of multimode -photon states generated in non-linear decays in one-dimensional waveguides. W…
Zero-Temperature Phases of the 2D Hubbard-Holstein Model: A Non-Gaussian Exact Diagonalization Study
Yao Wang, Ilya Esterlis, Tao Shi +2
We propose a numerical method which embeds the variational non-Gaussian wavefunction approach within exact diagonalization, allowing for efficient treatment of correlated systems w…