Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Son, Wonmin"'
Autor:
Dhawan, Amit R., Farrow, Tristan, Marshall, Ashley, Ghorbal, Alex, Son, Wonmin, Snaith, Henry J., Smith, Jason M., Taylor, Robert A.
Ultranarrow bandwidth single-photon sources operating at room-temperature are of vital importance for viable optical quantum technologies at scale, including quantum key distribution, cloud based quantum information processing networks, and quantum m
Externí odkaz:
http://arxiv.org/abs/2305.09086
Publikováno v:
Phys. Rev. A 106, 042432 (2022)
We design a Bell inequality that is violated by correlations obtained from the ground states of XXZ spin-1 chain with on site anisotropies at the region of phase transition. In order to detect such correlations in spin-1 systems we exploit the formal
Externí odkaz:
http://arxiv.org/abs/2105.12391
Autor:
Lee, Dongkeun, Son, Wonmin
Publikováno v:
Entropy 2020, 22(11), 1282
For the identification of non-trivial quantum phase, we exploit a Bell-type correlation that is applied to the one-dimensional spin-1 XXZ chain. It is found that our generalization of bipartite Bell correlation can take a decomposed form of transvers
Externí odkaz:
http://arxiv.org/abs/2010.09999
Publikováno v:
Phys. Rev. A 102, 012408 (2020)
We introduce a method for testing quantum correlations in terms of quasiprobability functions in the presence of noise. We analyze the effects of measurement imperfection and thermal environment on quantum correlations and show that their noise effec
Externí odkaz:
http://arxiv.org/abs/2002.05840
Publikováno v:
Entropy 2019, 21(3), 270
We derive an entropic uncertainty relation for generalized positive-operator-valued measure (POVM) measurements via a direct-sum majorization relation using Schur concavity of entropic quantities in a finite-dimensional Hilbert space. Our approach pr
Externí odkaz:
http://arxiv.org/abs/1905.11109
Publikováno v:
Entropy 2019, 21(1), 80
We propose a schematic setup of quantum key distribution (QKD) with an improved secret key rate based on high-dimensional quantum states. Two degrees-of-freedom of a single photon, orbital angular momentum modes, and multi-path modes, are used to enc
Externí odkaz:
http://arxiv.org/abs/1901.09478
Publikováno v:
Scientific Reports 9, 687 (2019)
We propose an enhanced discrimination measurement for tripartite 3-dimensional entangled states in order to improve the discernible number of orthogonal entangled states. The scheme suggests 3-dimensional Bell state measurement by exploiting composit
Externí odkaz:
http://arxiv.org/abs/1901.08717
Autor:
Son, Wonmin
Publikováno v:
Phys. Scr. 96 015006 (2020)
A model of correlated particles described by a generalized probability theory is suggested whose dynamics is subject to a non-linear version of Schr\"odinger equation. Such equations arise in many different contexts, most notably in the proposals for
Externí odkaz:
http://arxiv.org/abs/1805.00738
Autor:
Baek, Kyunghyun, Son, Wonmin
Publikováno v:
Mathematics 2016 4(2)
We derive entropic uncertainty relations for successive generalized measurements by using general descriptions of quantum measurement within two {distinctive operational} scenarios. In the first scenario, by merging {two successive measurements} into
Externí odkaz:
http://arxiv.org/abs/1801.00897
Autor:
Baek, Kyunghyun, Son, Wonmin
Publikováno v:
Scientific Reports 6, 30228 (2016)
Under the scenario of generalized measurements, it can be questioned how much of quantum uncertainty can be attributed to measuring device, independent of the uncertainty in the measured system. On the course to answer the question, we suggest a new
Externí odkaz:
http://arxiv.org/abs/1607.01866