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SCOPUS (2021-2023)ESCI-ISI

 

  2309-4710

 

 

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QCD equations of state and speed of sound in neutron stars
Tập 31 Số 1 - 2021
Toru Kojo
AbstractNeutron stars are cosmic laboratories to study dense matter in quantum chromodynamics (QCD). The observable mass-radius relations of neutron stars are determined by QCD equations of state and can reflect the properties of QCD phase transitions. In the last decade, there have been historical discoveries in neutron stars; the discoveries of two-solar mass neu...... hiện toàn bộ
New era of synchrotron radiation: fourth-generation storage ring
- 2021
Sung‐Hwan Shin
AbstractThere had been remarkable progress in developing third-generation electron storage rings as the main sources of very bright photon beams. Fourth-generation storage rings based on the multi-bend achromat lattice concept may be able to surpass the brightness and coherence that are attained using present third-generation storage rings. In this paper, we survey...... hiện toàn bộ
Analysis of the X(3960) and related tetraquark molecular states via the QCD sum rules
Tập 32 Số 1
Qi Xin, Zhi-Gang Wang, Xiao‐Song Yang
AbstractIn this work, we study the $$D\bar{D}$$ D D ¯ , DD, $$D\bar{D}_s$$ D D ¯ s , $$DD_s$$ D D s , $$D_s\bar{D}_s$$ D s D ¯ s and $$D_sD_s$$ D s D s tetraquark molecular states with the $$J^{PC}=0^{++}$$ J PC = 0 + + via the QCD sum rules. The prediction $$M_{D_s\bar{D}_s} = 3.98\pm 0.10\, \text {GeV}$$ M D s D ¯ s = 3.98 ± 0.10 GeV is in very good agreement with the experimental value $$M_{X(3960)} = 3956 \pm 5\pm 10 \,\text {MeV}$$ M X ( 3960 ) = 3956 ± 5 ± 10 MeV from the LHCb collaboration and supports assigning the X(3960) as the $$D_s^+D_s^-$$ hiện toàn bộ
Understanding the Mott insulating state in 1T-TaS2 and 1T-TaSe2
- 2022
Ying Fu, Zongxiu Wu, Wenhao Zhang, Yi Yin
AbstractIn this article, we review the recent progress of the scanning tunneling microscopy studies of 1T-TaS2 and 1T-TaSe2 for bulk single crystals and molecular beam epitaxy monolayer films. We focus on how to understand the Mott insulating state in the whole set of ma...... hiện toàn bộ
Status of the RAON project in Korea
B. Hong
AbstractA new rare-isotope beam (RIB) accelerator complex, RAON, is under construction in South Korea. RAON employs two RIB production methods, namely, isotope separation online (ISOL) and in-flight fragmentation (IF). According to the original design, ISOL and IF can run independently, and RAON ultimately combines them to provide more neutron-rich ion beams for th...... hiện toàn bộ
Generalized uncertainty relations for multiple measurements
Tập 32 Số 1
Lin Wu, Xue-Ke Song, Ye Liu, Dong Wang
AbstractThe uncertainty relation is regarded as a remarkable feature of quantum mechanics differing from the classical counterpart, and it plays a backbone role in the region of quantum information theory. In principle, the uncertainty relation offers a nontrivial limit to predict the outcome of arbitrarily incompatible observed variables. Therefore, to pursue a mo...... hiện toàn bộ
The study of angular distance distribution to the solar flares during different solar cycles
Tập 34 Số 1
Ramy Mawad
AbstractThe angular distance of the solar flares to the projective point of the center of the solar disk on the solar spherical surface has been studied by the heliographical or helioprojective coordinates, during the periods 1975–2021 for GOES events and 2002–2021 for RHESSI events, hereafter “distance.” It gives a specific distribution curvature. It has also been...... hiện toàn bộ
A quantum algorithm for linear differential equations with layerwise parameterized quantum circuits
Junxiang Xiao, Jingwei Wen, Zengrong Zhou, Ling Qian, Zhiguo Huang, Shijie Wei, Gui‐Lu Long
AbstractSolving linear differential equations is a common problem in almost all fields of science and engineering. Here, we present a variational algorithm with shallow circuits for solving such a problem: given an $$N \times N$$ N × N matrix $${\varvec{A}}$$ A , an N-dimensional vector $$\varvec{b}$$ b , and an initial vector $$\varvec{x}(0)$$ x ( 0 ) , how to obtain the solution vector $$\varvec{x}(T)$$ x ( T ) at time T according to the constraint $$\textrm{d}\varvec{x}(t)/\textrm{d} t = {\varvec{A}}\varvec{x}(t) + \varvec{b}$$ d x ( t ) / d t = A x ( t ) + b . The core idea of the algorithm is to encode the equations into a ground state problem of the Hamiltonian, which is solved via hybrid quantum-classical methods with high fidelities. Compared with the previous works, our algorithm requires the least qubit resources and can restore the entire evolutionary process. In particular, we show its application in simulating the evolution of harmonic oscillators and dynamics of non-Hermitian systems with $$\mathcal{P}\mathcal{T}$$ hiện toàn bộ
An overview of polarized neutron instruments and techniques in Asia Pacific
Tập 33 Số 1
Chenyang Jiang
AbstractPolarized neutron scattering is an indispensable tool for exploring a vast range of scientific phenomena. With its dynamic scientific community and significant governmental support as well as the rapid economic growth, the Asia–Pacific region has become a key player in the worldwide neutron scattering arena. From traditional research reactors to cutting-edg...... hiện toàn bộ
STM studies for surface-mounted molecular rotors: a mini review
Tianyi Yang, Rui‐Qin Zhang
AbstractA molecular rotor is a molecule/molecular system that performs rotary motions under an external stimulus. Molecular rotors are promising for applications in medicine, optical usage, information science, etc. A molecular rotor is also a crucial component in constructing more sophisticated functional molecular machines. Anchoring molecular rotors on surfaces ...... hiện toàn bộ