Publications (22)
Investigation into the reflection properties of the neutron star low-mass X-ray binary 4U 1636-53
Ming Lyu, Guobao Zhang, H. G. Wang +1
We present the spectroscopy of the neutron star low-mass X-ray binary 4U 1636-53 using six simultaneous XMM-Newton and Rossi X-ray Timing Explorer observations. We applied differen…
The harmonic component of the millihertz quasi-periodic oscillations in 4U 1636-53
Zhenyan Fei, Ming Lyu, Mariano Mendez +5
We studied the harmonics of the millihertz quasi-periodic oscillations (mHz QPOs) in the neutron-star low-mass X-ray binary 4U 1636-53 using the Rossi X-ray Timing Explorer observa…
Spectral and timing analysis of the mHz QPOs in the neutron-star low-mass X-ray binary 4U 1636-53
Ming Lyu, Mariano Mendez, Guobao Zhang +1
We investigate the spectral and timing properties of the millihertz quasi-periodic oscillations (mHz QPOs) in neutron-star low-mass X-ray binary 4U 1636-53 using XMM-Newton and Ros…
The origin of UV/optical emission in the black hole low-mass X-ray binary Swift J1753.5-0127
Pengcheng Yang, Guobao Zhang, David M. Russell +4
The emission from the accreting black holes (BHs) in low-mass X-ray binaries (LMXBs) covers a broad energy band from radio to X-rays. Studying the correlations between emission in…
Discovery of a correlation between the frequency of the mHz quasi-periodic oscillations and the neutron-star temperature in the low-mass X-ray binary 4U 1636-53
Ming Lyu, Mariano Mendez, Diego Altamirano
We detected millihertz quasi-periodic oscillations (QPOs) in an XMM-Newton observation of the neutron-star low-mass X-ray binary 4U 1636-53. These QPOs have been interpreted as mar…
Observatory Science with eXTP
Ping Zhou, Jirong Mao, Liang Zhang +97
Scheduled for launch in 2030, the enhanced X-ray Timing and Polarization (eXTP) telescope is a Chinese space-based mission aimed at studying extreme conditions and phenomena in ast…
Spectral properties of the neutron star low-mass X-ray binary 4U 1636-53, XTE J1739-285 and MAXI J1816-195
Zhenyan Fei, Ming Lyu, Guobao Zhang +2
We investigated simultaneous NICER plus NuSTAR observations of three neutron star low-mass X-ray binary 4U 1636-53, XTE J1739-285 and MAXI J1816-195 using the latest reflection mod…
Millihertz quasi-periodic oscillations in 4U 1636-53 associated with bursts with positive convexity only
Ming Lyu, Mariano Mendez, Diego Altamirano +1
We investigated the convexity of all type I X-ray bursts with millihertz quasi-periodic oscillations (mHz QPOs) in 4U 1636-53 using archival observations with the Rossi X-ray Timin…
Discovery of an accretion-rate independent absolute RMS amplitude of millihertz quasi-periodic oscillations in 4U 1636-53
Ming Lyu, Mariano Mendez, D. Altamirano +2
We investigate the frequency and amplitude of the millihertz quasi-periodic oscillations (mHz QPOs) in the neutron-star low-mass X-ray binary (NS LMXB) 4U 1636-53 using Rossi X-ray…
Correction to the Effective Refractive Index and the Confinement Factor in Waveguide Modeling for Quantum Cascade Lasers
Ming Lyu, Claire Gmachl
The equations for the effective medium refractive index and for the confinement factor in the waveguide design for quantum cascade lasers are derived.Compared to equations used in…
Dense Matter in Neutron Stars with eXTP
Ang Li, Anna L. Watts, Guobao Zhang +82
In this White Paper, we present the potential of the enhanced X-ray Timing and Polarimetry (eXTP) mission to constrain the equation of state of dense matter in neutron stars, explo…
Single-qubit quantum memory exceeding -minute coherence time
Ye Wang, Mark Um, Junhua Zhang +6
A long-time quantum memory capable of storing and measuring quantum information at the single-qubit level is an essential ingredient for practical quantum computation and com-munic…
Investigation into the origin of the soft excess in Ark 564 using principal component analysis
Ming Lyu, Zhenyan Fei, Guobao Zhang +1
We combined a principal component analysis (PCA) and spectroscopy to investigate the origin of the soft excess in narrow-line Seyfert 1 galaxy Ark 564 with XMM-Newton observations…
XMM-Newton and NICER measurement of the rms spectrum of the millihertz quasi-periodic oscillations in the neutron-star low-mass X-ray binary 4U 1636-53
Ming Lyu, Guobao Zhang, Mariano Mendez +4
We used two XMM-Newton and six Neutron Star Interior Composition Explorer (NICER) observations to investigate the fractional rms amplitude of the millihertz quasi-periodic oscillat…
Iron-line and continuum variations in the XMM-Newton and Suzaku spectra of the neutron-star low-mass X-ray binary 4U 1636-53
Ming Lyu, Mariano Mendez, Andrea Sanna +3
We used six simultaneous XMM-Newton and Rossi X-ray Timing Explorer plus five Suzaku observations to study the continuum spectrum and the iron emission line in the neutron-star low…
Insight-HXMT observations of thermonuclear X-ray bursts in 4U 1636-53
Zhe Yan, Guobao Zhang, Yu-Peng Chen +9
We conducted an analysis of 45 bursts observed from 4U 163653. To investigate the mechanism behind the light curve profiles and the impact of thermonuclear X-ray bursts on the a…
Non-Markovian dynamics of open quantum systems without rotating wave approximation
Ming-Jia Tang, Yu-Kai Wu, Ming Lyu +4
We study the non-Markovian dynamics of a damped oscillator coupled with a reservoir. We present exact formulas for the oscillator's evolution directly from the BCH formula by serie…
Ionisation state of the accretion disc in the neutron-star low-mass X-ray binary 4U 1728-34
Ming Lyu, Mariano Mendez, Jian-Fu Zhang +1
We analysed an XMM-Newton plus a simultaneous Rossi X-ray Timing Explorer observation and a separate Suzaku observation of the neutron-star low-mass X-ray binary 4U 1728-34. We fit…
Insight-HXMT observations of the 2023 outburst in Aql X-1
Zhe Yan, Guobao Zhang, Yu-Peng Chen +5
We conducted an analysis of the continuum during the onset and initial decline phases of the 2023 outburst in transient neutron star low-mass X-ray binary Aql X1 using broadband…
The study of multi-peaked type-I X-ray bursts in the neutron-star low mass X-ray binary 4U 1636536 with RXTE
Chen Li, Guobao Zhang, Mariano Méndez +2
We have found and analysed 16 multi-peaked type-I bursts from the neutron-star low mass X-ray binary 4U 163653 with the Rossi X-ray Timing Explorer (RXTE). One of the bursts is…
Reference Signal-Based Waveform Design for Integrated Sensing and Communications System
Ming Lyu, Hao Chen, Dan Wang +3
Integrated sensing and communications (ISAC) as one of the key technologies is capable of supporting high-speed communication and high-precision sensing for the upcoming 6G. This p…
VQ-VAE Based Digital Semantic Communication with Importance-Aware OFDM Transmission
Ming Lyu, Hao Chen, Dan Wang +4
Semantic communication (SemCom) significantly reduces redundant data and improves transmission efficiency by extracting the latent features of information. However, most of the con…