Zobrazeno 1 - 10
of 427
pro vyhledávání: '"Chiriaco P"'
We study how stronger noise can enhance the entanglement in inhomogeneously monitored quantum systems. We consider a free fermions model composed of two coupled chains - a system chain and an ancilla chain, each subject to its own different noise - a
Externí odkaz:
http://arxiv.org/abs/2410.06712
Autor:
Chiriacò, Giuliano
In recent years there has been great interest towards optical cavities as a tool to manipulate the properties and phases of embedded quantum materials. Due to the Purcell effect, a cavity changes the photon phase space and thus the rate of electromag
Externí odkaz:
http://arxiv.org/abs/2310.15184
Recently there has been an intense effort to understand measurement induced transitions, but we still lack a good understanding of non-Markovian effects on these phenomena. To that end, we consider two coupled chains of free fermions, one acting as t
Externí odkaz:
http://arxiv.org/abs/2307.06624
Autor:
Chiriacò, Giuliano, Tsitsishvili, Mikheil, Poletti, Dario, Fazio, Rosario, Dalmonte, Marcello
Publikováno v:
Physical Review B 108, 075151 (2023)
We study the quantum dynamics of a many-body system subject to coherent evolution and coupled to a non-Markovian bath. We propose a technique to unravel the non-Markovian dynamics in terms of quantum jumps, a connection that was so far only understoo
Externí odkaz:
http://arxiv.org/abs/2302.10563
Autor:
Bacciconi, Zeno, Andolina, Gian Marcello, Chanda, Titas, Chiriacò, Giuliano, Schiró, Marco, Dalmonte, Marcello
Publikováno v:
SciPost Phys. 15, 113 (2023)
We consider a model of free fermions in a ladder geometry coupled to a nonuniform cavity mode via Peierls substitution. Since the cavity mode generates a magnetic field, no-go theorems on spontaneous photon condensation do not apply, and we indeed ob
Externí odkaz:
http://arxiv.org/abs/2302.09901
Autor:
Chiriacò, Giuliano, Millis, Andrew J.
We investigate the possibility of a striped inhomoegenous phase occurring as an electronic system with an order parameter linearly coupled to the elastic degrees of freedom is tuned through the electronic phase transition. We find that in finite syst
Externí odkaz:
http://arxiv.org/abs/2211.09837
Publikováno v:
Phys. Rev. B 106, 155113 (2022)
We consider a model of a light-matter system, in which a system of fermions (or bosons) is coupled to a photonic mode that drives a phase transitions in the matter degrees of freedom. Starting from a simplified analytical model, we show that the enta
Externí odkaz:
http://arxiv.org/abs/2207.06444
Autor:
Sierant, Piotr, Chiriacò, Giuliano, Surace, Federica M., Sharma, Shraddha, Turkeshi, Xhek, Dalmonte, Marcello, Fazio, Rosario, Pagano, Guido
Publikováno v:
Quantum 6, 638 (2022)
Quantum systems evolving unitarily and subject to quantum measurements exhibit various types of non-equilibrium phase transitions, arising from the competition between unitary evolution and measurements. Dissipative phase transitions in steady states
Externí odkaz:
http://arxiv.org/abs/2107.05669
Autor:
Chiriacò, Giuliano, Millis, Andrew
Publikováno v:
Phys. Rev. B 102, 085116 (2020)
Current-driven insulator-metal transitions are in many cases driven by Joule heating proportional to the square of the applied current. Recent nano-imaging experiments in Ca$_2$RuO$_4$ reveal a metal-insulator phase boundary that depends on the direc
Externí odkaz:
http://arxiv.org/abs/2005.09777
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