Zobrazeno 1 - 10
of 383
pro vyhledávání: '"Lucignano, P."'
Autor:
Salatino, Giulia, Passarelli, Gianluca, Russomanno, Angelo, Santoro, Giuseppe E., Lucignano, Procolo, Fazio, Rosario
We investigate the topological properties of the Su-Schrieffer-Heeger (SSH) model under dissipative dynamics using the quantum trajectory approach. Our study explores the preservation or breakdown of topological edge states, particularly focusing on
Externí odkaz:
http://arxiv.org/abs/2411.05671
Recently, digitized-counterdiabatic (CD) corrections to the quantum approximate optimization algorithm (QAOA) have been proposed, yielding faster convergence within the desired accuracy than standard QAOA. In this manuscript, we apply this approach t
Externí odkaz:
http://arxiv.org/abs/2409.03503
Autor:
Scocco, Annarita, Passarelli, Gianluca, Collura, Mario, Lucignano, Procolo, Russomanno, Angelo
Publikováno v:
Physical Review B 110, 134204 (2024)
We investigate the robustness of the many-body localized (MBL) phase to the quantum-avalanche instability by studying the dynamics of a localized spin chain coupled to a $T=\infty$ thermal bath through its leftmost site. By analyzing local magnetizat
Externí odkaz:
http://arxiv.org/abs/2407.20985
We consider an infinite-range interacting quantum spin-1/2 model, undergoing periodic kicking and dissipatively coupled with an environment. In the thermodynamic limit, it is described by classical mean-field equations that can show regular and chaot
Externí odkaz:
http://arxiv.org/abs/2406.16585
Publikováno v:
Phys. Rev. A 110, 022436 (2024)
Typical measures of nonstabilizerness of a system of $N$ qubits require computing $4^N$ expectation values, one for each Pauli string in the Pauli group, over a state of dimension $2^N$. For permutationally invariant systems, this exponential overhea
Externí odkaz:
http://arxiv.org/abs/2402.08551
Publikováno v:
Physical Review B 109, 174310 (2024)
We propose a Floquet period-doubling time-crystal model based on a disordered interacting long-range spin chain where the periodic swapping of nearby spin couples is applied. This protocol can be applied to systems with any local spin magnitude $s$ {
Externí odkaz:
http://arxiv.org/abs/2312.17070
Autor:
Hutomo Suryo Wasisto, Sebastian Anzinger, Giovanni Acanfora, Aloysius Farrel, Valentina Sabatini, Elisa Grimoldi, Vasco Marelli, Nikita Ovsiannikov, Konstantin Tkachuk, Giordano Tosolini, Carmine Lucignano, Marco Mietta, Guangzhao Zhang, Marc Fueldner, Erwin Peiner
Publikováno v:
Communications Engineering, Vol 3, Iss 1, Pp 1-11 (2024)
Abstract Microelectromechanical system-based microphones demand high ingress protection levels with regard to their use in harsh environment. Here, we develop environmental protective components comprising polyimide nanofibers combined onto polyether
Externí odkaz:
https://doaj.org/article/fc0dba1f606e442a899f9cf2145d03a5
Publikováno v:
Physical Review B 109, 064504 (2024)
We study a superconducting Kitaev ring pierced by a magnetic flux, with and without disorder, in a quantum ring configuration, and in a rf-SQUID one, where a weak link is present. In the rf-SQUID configuration, in the topological phase, the supercurr
Externí odkaz:
http://arxiv.org/abs/2308.06170
Publikováno v:
Phys. Rev. B 108, 104508 - Published 29 September 2023
We investigate the possibility to employ magnetic Josephson junctions as magnetic-noise detectors. To illustrate our idea, we consider a system consisting of a quantum dot coupled to superconducting leads in the presence of an external magnetic field
Externí odkaz:
http://arxiv.org/abs/2308.01995
Publikováno v:
New J. Phys. 26 013002 (2024)
Recently, Digitized-Counterdiabatic (CD) Quantum Approximate Optimization Algorithm (QAOA) has been proposed to make QAOA converge to the solution of an optimization problem in fewer steps, inspired by Trotterized counterdiabatic driving in continuou
Externí odkaz:
http://arxiv.org/abs/2307.14079