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pro vyhledávání: '"Bosonic System"'
Echoed conditional displacement (ECD) gates for bosonic systems have become the key element for real-time quantum error correction beyond the break-even point. These gates are characterized by a single complex parameter $\beta$, and can be constructe
Externí odkaz:
http://arxiv.org/abs/2408.05299
In the following paper, we will study a charged scalar field under an electromagnetic external field taking into account the spatial confining of the system. We shall use the Coleman-Weinberg method in one-loop approximation to obtain the effective p
Externí odkaz:
http://arxiv.org/abs/2405.06095
Akademický článek
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Zeros of partition functions, in particular Lee-Yang zeros, in a complex plane provide important information for understanding phase transitions. A recent discovery on the equivalence between the coherence of a central quantum system and the partitio
Externí odkaz:
http://arxiv.org/abs/2311.13790
Autor:
Liu, Chenrong, Lin, Zhi
We systematically study the ground-state phase diagrams and the demixing effect of a two-dimensional two-component bosonic system with pair hopping in synthetic dimension by using the cluster Gutzwiller mean-field method. Our results show that when t
Externí odkaz:
http://arxiv.org/abs/2201.09497
Autor:
Bakker, L. R., Bahovadinov, M. S., Kurlov, D. V., Gritsev, V., Fedorov, Aleksey K., Krimer, D. O.
Publikováno v:
Phys. Rev. Lett. 129, 250401 (2022)
For the driven-dissipative system of two coupled bosonic modes in a nonlinear cavity resonator, we demonstrate a sequence of phase transitions from a trivial steady state to two distinct dissipative time crystalline phases. These effects are already
Externí odkaz:
http://arxiv.org/abs/2204.07533
Autor:
Yang, Chao, Liu, Haiwen, Liu, Yi, Wang, Jiandong, Wang, Sishuang, Wang, Yang, He, Qianmei, Tang, Yue, Wang, Jian, Xie, X. C., Valles Jr., James M., Xiong, Jie, Li, Yanrong
Fermi liquid theory forms the basis for our understanding of the majority of metals, which is manifested in the description of transport properties that the electrical resistivity goes as temperature squared in the limit of zero temperature. However,
Externí odkaz:
http://arxiv.org/abs/2105.02654
Akademický článek
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We study dynamical quantum phase transitions (DQPTs) in the extended Bose-Hubbard model after a sudden quench of the nearest-neighbor interaction strength. Using the time-dependent density matrix renormalization group, we demonstrate that interaction
Externí odkaz:
http://arxiv.org/abs/2106.10187
Publikováno v:
Phys. Rev. B 103, 064306 (2021)
In this paper, we investigate the dynamical quantum phase transitions appearing in the Loschmidt echo and the time-dependent order parameter of a quantum system of harmonically coupled degenerate bosons as a function of the power-law decay $\sigma$ o
Externí odkaz:
http://arxiv.org/abs/2011.05673