Zobrazeno 1 - 10
of 224
pro vyhledávání: '"Lian-Ao Wu"'
Autor:
Jun Jing, Lian-Ao Wu
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract We derive an exact one-component equation of motion for the probability amplitude of a target time-dependent state, and use the equation to reformulate quantum dynamics and control for both closed and open systems. Using the one-component eq
Externí odkaz:
https://doaj.org/article/aa83c46049da4e0685972824dd0c39af
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-9 (2022)
Abstract We present an interesting relationship between the orthogonality catastrophe (OC) and the quantum speed limit (QSL) for a spin chain with uniform nearest neighbour couplings perturbed by an impurity spin. We thoroughly study the catastrophic
Externí odkaz:
https://doaj.org/article/547280f456ed4563a94c46a7d46e45bd
Publikováno v:
Photonics, Vol 10, Iss 3, p 274 (2023)
Pulse-controlled non-adiabatic quantum state transmission (QST) was proposed many years ago. However, in practice environmental noise inevitably damages communication quality in the proposal. In this paper, we study the optimally controlled non-adiab
Externí odkaz:
https://doaj.org/article/4885bf29dc874989b41ca89019fe17d4
Autor:
Lian-Ao Wu, Dvira Segal
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-5 (2021)
Abstract We prove the existence of a unitary transformation that enables two arbitrarily given Hamiltonians in the same Hilbert space to be transformed into one another. The result is straightforward yet, for example, it lays the foundation to implem
Externí odkaz:
https://doaj.org/article/e6e450c86b144c06bfaf88cda13e1ecc
Autor:
Arturo Mena López, Lian-Ao Wu
Publikováno v:
Symmetry, Vol 15, Iss 1, p 62 (2022)
We study the current effectiveness of the dynamical decoupling technique on a publicly accessible IBM quantum computer (IBMQ). This technique, also known as bang-bang decoupling or dynamical symmetrization, consists of applying sequences of pulses fo
Externí odkaz:
https://doaj.org/article/44557398e34f4ed58e56e185cdcc3afe
Publikováno v:
Entropy, Vol 24, Iss 10, p 1406 (2022)
We investigate the time-dependent behaviour of the energy current between a quantum spin chain and its surrounding non-Markovian and finite temperature baths, together with its relationship to the coherence dynamics of the system. To be specific, bot
Externí odkaz:
https://doaj.org/article/8977e165a7704006a5b88288d9baef78
Autor:
Jun Jing, Lian‑Ao Wu
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-1 (2022)
Externí odkaz:
https://doaj.org/article/e1e2302864414fbb873be7b613d6836a
Publikováno v:
Symmetry, Vol 13, Iss 5, p 911 (2021)
Two principles govern the critical temperature for superconducting transitions: (1) intrinsic strength of the pair coupling and (2) the effect of the many-body environments on the efficiency of that coupling. Most discussions take into account only t
Externí odkaz:
https://doaj.org/article/d108ecd35fc44f87a6f703bd4f68dec3
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
Abstract Dark state as a consequence of interference between different quantum states has great importance in the fields of chip-scale atomic clock and quantum information. For the Λ-type three-level system, this dark state is generally regarded as
Externí odkaz:
https://doaj.org/article/718090ac76244cf589f15c504e410bb0
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
Abstract We prove a general theorem that the action of arbitrary classical noise or random unitary channels can not increase the maximum population of any eigenstate of an open quantum system, assuming initial system-environment factorization. Such f
Externí odkaz:
https://doaj.org/article/c3da1a7c0ff349b7b681ffcc32643674