N-scaling of timescales in long-range N-body quantum systems
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Statistical Mechanics: Theory and Experiment"
DOI: 10.1088/1742-5468/aa5119
Abstract: Long-range interacting many-body systems exhibit a number of peculiar and intriguing properties. One of those is the scaling of relaxation times with the number $N$ of particles in a system. In this paper I give… read more here.
Keywords: body quantum; timescales long; scaling timescales; long range ... See more keywords
Out-of-time ordered correlator for a chaotic many-body quantum system
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Physics A: Mathematical and Theoretical"
DOI: 10.1088/1751-8121/add198
Abstract: Using the parametric representation of a chaotic many-body quantum system derived earlier, we calculate explicitly the large-time dependence and asymptotic value of the out-of-time correlator (OTOC) of that system. The dependence on time t is… read more here.
Keywords: chaotic many; system; time; quantum system ... See more keywords
Many-body quantum dimerization in two-dimensional atomic arrays
Sign Up to like & getrecommendations! Published in 2025 at "Physical Review A"
DOI: 10.1103/1r6c-6ftv
Abstract: We consider a 2D atomic array coupled to different photonic environments, focusing on the half-filled excitation subspace, where strong photon interactions can give rise to complex many-body states. In particular, we demonstrate that the least… read more here.
Keywords: quantum dimerization; state; dimerization two; many body ... See more keywords
Emergence of many-body quantum chaos via spontaneous breaking of unitarity
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.l140202
Abstract: It is suggested that many-body quantum chaos appears as the spontaneous symmetry breaking of unitarity in interacting quantum many-body systems. It has been shown that many-body level statistics, probed by the spectral form factor (SFF)… read more here.
Keywords: body quantum; many body; body; breaking unitarity ... See more keywords
Effects of interactions and boundary conditions on the performance of many-body quantum batteries.
Sign Up to like & getrecommendations! Published in 2025 at "Physical review. E"
DOI: 10.1103/physreve.111.054101
Abstract: We systematically investigate the performance of many-body quantum batteries (QBs) with open boundary conditions (OBCs) and periodic boundary conditions (PBCs). Specifically, we apply a general approach to study the effects of interactions and boundary conditions… read more here.
Keywords: quantum batteries; performance many; many body; performance ... See more keywords
Perfect thermal rectification in a many-body quantum Ising model.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review. E"
DOI: 10.1103/physreve.99.032116
Abstract: This paper addresses a keystone problem for the progress of phononics: the proposal of efficient thermal diodes. Aiming the disclosure of an easy itinerary for the building of a heat rectifier, I investigate unsophisticated systems… read more here.
Keywords: body quantum; many body; perfect thermal; rectification ... See more keywords
Nonequilibrium Many-Body Quantum Engine Driven by Time-Translation Symmetry Breaking.
Sign Up to like & getrecommendations! Published in 2020 at "Physical review letters"
DOI: 10.1103/physrevlett.125.240602
Abstract: Quantum many-body systems out of equilibrium can host intriguing phenomena such as transitions to exotic dynamical states. Although this emergent behaviour can be observed in experiments, its potential for technological applications is largely unexplored. Here,… read more here.
Keywords: body quantum; many body; time translation; quantum engine ... See more keywords
Detecting Entanglement Structure in Continuous Many-Body Quantum Systems.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.128.020402
Abstract: A prerequisite for the comprehensive understanding of many-body quantum systems is a characterization in terms of their entanglement structure. The experimental detection of entanglement in spatially extended many-body systems describable by quantum fields still presents… read more here.
Keywords: body quantum; many body; entanglement structure; body ... See more keywords
Entanglement of Formation of Mixed Many-Body Quantum States via Tree Tensor Operators.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.128.040501
Abstract: We present a numerical strategy to efficiently estimate bipartite entanglement measures, and in particular the entanglement of formation, for many-body quantum systems on a lattice. Our approach exploits the tree tensor operator tensor network Ansatz,… read more here.
Keywords: body quantum; many body; entanglement formation; formation ... See more keywords
Many-Body Quantum Chaos and Emergence of Ginibre Ensemble.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.130.140403
Abstract: We show that non-Hermitian Ginibre random matrix behaviors emerge in spatially extended many-body quantum chaotic systems in the space direction, just as Hermitian random matrix behaviors emerge in chaotic systems in the time direction. Starting… read more here.
Keywords: body quantum; many body; spectral form; ginibre ensemble ... See more keywords
Approximating Many-Body Quantum States with Quantum Circuits and Measurements.
Sign Up to like & getrecommendations! Published in 2024 at "Physical review letters"
DOI: 10.1103/physrevlett.133.230401
Abstract: We introduce protocols to prepare many-body quantum states with quantum circuits assisted by local operations and classical communication. We show that by lifting the requirement of exact preparation, one can substantially save resources. In particular,… read more here.
Keywords: quantum states; quantum circuits; many body; body quantum ... See more keywords