Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Myung-Joong Hwang"'
Publikováno v:
Physical Review Research, Vol 6, Iss 3, p 033075 (2024)
We investigate the nonequilibrium steady state of the anisotropic open quantum Rabi model, which exhibits first-order and second-order dissipative phase transitions upon varying the degree of anisotropy between the coupling strengths of rotating and
Externí odkaz:
https://doaj.org/article/e2ceb9f68ed243888e71c656726f6deb
Publikováno v:
Communications Physics, Vol 6, Iss 1, Pp 1-7 (2023)
Abstract The study of cavity magnonics and topological insulators has made significant advances over the past decade, however the possibility of combining the two fields is still unexplored. Here, we explore such connection by investigating hybrid ca
Externí odkaz:
https://doaj.org/article/ae22d3cdb2be455eb267fa6c56fc6e76
Autor:
Jinchen Zhao, Myung-Joong Hwang
Publikováno v:
Physical Review Research, Vol 5, Iss 4, p L042016 (2023)
We consider a one-dimensional Dicke lattice with complex photon hopping amplitudes and investigate the influence of time-reversal symmetry breaking due to synthetic magnetic fields. We show that, by tuning the total flux threading the lattice with a
Externí odkaz:
https://doaj.org/article/b0e687cc3f7041b9b5cc2ae3f4481921
Publikováno v:
Physical Review B. 107
We show that phase transitions in the quantum $q$-state clock model for $q \leq 4$ can be characterized by an enhanced decay behavior of the Loschmidt echo via a small quench. The quantum criticality of the quantum $q$-state clock model is numericall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1df7f03a77520badd424b7a8852b78b1
https://doi.org/10.1103/physrevb.107.134303
https://doi.org/10.1103/physrevb.107.134303
Autor:
Jinchen Zhao, Myung-Joong Hwang
Frustration occurs when a system cannot find a lowest-energy configuration due to conflicting constraints. We show that a frustrated superradiant phase transition occurs when the ground-state superradiance of cavity fields due to local light-matter i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0f7f939089c6564ef286a8b2f822c7ea
http://arxiv.org/abs/2112.01470
http://arxiv.org/abs/2112.01470
We consider an ensemble of indistinguishable quantum machines and show that quantum statistical effects can give rise to a genuine quantum enhancement of the collective thermodynamic performance. When multiple indistinguishable bosonic work resources
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::08c59ef4b0c4d74879c607528247f53a
https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/77052
https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/77052
The out-of-time-ordered correlator (OTOC) is central to the understanding of information scrambling in quantum many-body systems. In this work, we show that the OTOC in a quantum many-body system close to its critical point obeys dynamical scaling la
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cf587914efe48d41a5ad4ca09f70d46a
Publikováno v:
Physical Review A
Physical Review A, American Physical Society 2018, 98 (5), ⟨10.1103/PhysRevA.98.053859⟩
Physical Review A, American Physical Society 2018, 98 (5), ⟨10.1103/PhysRevA.98.053859⟩
We present a circuit-QED scheme which allows to reach the ultrastrong coupling regime of a nondipolar interaction between a single qubit and a quantum resonator. We show that the system Hamiltonian is well approximated by a two-photon quantum Rabi mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e87f8bedcfabacd212c1bcd71f16e24
https://hal.archives-ouvertes.fr/hal-02341964
https://hal.archives-ouvertes.fr/hal-02341964
Publikováno v:
Physical Review A
arXiv.org e-Print Archive
arXiv.org e-Print Archive
We demonstrate that the open quantum Rabi model (QRM) exhibits a second-order dissipative phase transition (DPT) and propose a method to observe this transition with trapped ions. The interplay between the ultrastrong qubit-oscillator coupling and th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::919a78cec44fb2ef94fcf61eadb8196a
Recently observed quantum emitters in hexagonal boron nitride (hBN) membranes have a potential for achieving high accessibility and controllability thanks to the lower spatial dimension. Moreover, these objects naturally have a high sensitivity to vi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::760a4b8f0877381023852a8f7b6f2d8c
http://arxiv.org/abs/1704.00638
http://arxiv.org/abs/1704.00638