On-Board Switching for Space-Integrated-Ground Information Network: Progress and Trends by Hao WU, Shuai WANG, Xiance DENG, Peilong LIU, Kai LIU, Jian YAN

“…Considering the requirements of the space-integrated-ground information network, the technologies of on-board channelized switching and the technologies of on-board packet switching were surveyed.Among, the discussed channelized switching technologies include fl exible digital channelized switching and microwave photonic frequency conversion and switching, while the discussed packet switching technologies mainly include software-defi ned satellite network.Considering the future research directions of space networking and switching, the trends of on-board switching were discussed in terms of system capacity, reliability, effi ciency, and quality of service, which provided a reference for the long-term planning of the space-integrated-ground information network.…”
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Improving the Accuracy of the Diffusion Model in Highly Absorbing Media by Alexander X. Cong, Haiou Shen, Wenxiang Cong, Ge Wang

“…The diffusion approximation of the Boltzmann transport equation is most commonly used for describing the photon propagation in turbid media. It produces satisfactory results in weakly absorbing and highly scattering media, but the accuracy lessens with the decreasing albedo. …”
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Dynamical Properties of Scaled Atomic Wehrl Entropy of Multiphoton JCM in the Presence of Atomic Damping by S. Abdel-Khalek, M. S. Almalki, E. Edfawy

“…We observe an interesting monotonic relation between the different physical quantities in the case of different values of the number of photon transition during the time evolution.…”
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Damage initiation in brittle and ductile materials as revealed from a fractoluminescence study by Alexandre Chmel, Igor’ Shcherbakov

“…Multiple chemical bond ruptures produced by elastic waves propagating from a damaged zone were accompanied by the photon emission generated throughout the sample (tribo- or fractoluminescence, FL). …”
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Multiphoton emission of x-rays from cooperative resonant nuclei by Xiangjin Kong, Yue Chang, Lida Zhang, Jianmin Yuan, Yu-Gang Ma

“…Here, we show the dependence of emission properties of x-ray photons from an ensemble of identical resonant nuclei on the number of excitations in the system, employing the theoretical methods we have introduced. …”
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Dark matter annihilation via Breit-Wigner enhancement with heavier mediator by Yu Cheng, Shao-Feng Ge, Jie Sheng, Tsutomu T. Yanagida

“…However, a supermassive black hole can accelerate the dark matter particles to reactivate this resonant annihilation whose subsequent decay to photons leaves a unique signal. The running Fermi-LAT and the future COSI satellites can test this scenario.…”
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Double Charmonium Productions in Electron-Positron Annihilation Using Bethe-Salpeter Approach by Hluf Negash, Shashank Bhatnagar

“…We calculate the double charmonium production cross-section within the framework of 4×4 Bethe-Salpeter Equation in the electron-positron annihilation, at center of mass energy s=10.6GeV, that proceeds through the exchange of a single virtual photon. In this calculation, we make use of the full Dirac structure of 4D BS wave functions of these charmonia, with the incorporation of all the Dirac covariants (both leading and subleading). …”
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Slow and stored light via electromagnetically induced transparency using a Λ-type superconducting artificial atom by Kai-I Chu, Xiao-Cheng Lu, Kuan-Hsun Chiang, Yen-Hsiang Lin, Chii-Dong Chen, Ite A. Yu, Wen-Te Liao, Yung-Fu Chen

“…However, the lack of a metastable state in most superconducting artificial atoms hinders the development of photonic quantum memory in this platform. Here we use a single superconducting qubit-resonator system to realize a desired Λ-type artificial atom, and to demonstrate slow light with a group velocity of 3.6 km/s and the microwave storage with a memory time extending to several hundred nanoseconds via electromagnetically induced transparency. …”
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Bremsstrahlung from Relativistic Heavy Ions in a Fixed Target Experiment at the LHC by Rune E. Mikkelsen, Allan H. Sørensen, Ulrik I. Uggerhøj

“…The peak structure is significantly different from the flat power spectrum pertaining to a point charge. Photons are predominantly emitted within an angle of 1/γ to the direction of ion propagation. …”
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Sum Squeezing of the Field Amplitude in Frequency Upconversion Process by Dilip Kumar Giri, Binod Kumar Choudhary

“…It is found that the squeezed states are associated with large number of pump photons. It is also confirmed that the higher-order squeezing (sum squeezing) is directly associated with coupling of the field and interaction time.…”
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Modern Imaging Methods in the Diagnosis of Neurodegenerative Diseases by Paulina Dorota Pietrukaniec, Bartosz Omasta, Katarzyna Kamińska-Omasta, Olga Krupa, Daria Rybak, Kuba Borys Romańczuk, Magdalena Agata Czerska, Szymon Przemysław Stolarczyk, Zofia Martyna Wójcik, Kinga Furtak

“…Advanced brain imaging techniques, such as magnetic resonance imaging (MRI), positron emission tomography (PET), single photon emission tomography (SPECT) and functional magnetic resonance imaging (fMRI), play a key role in the diagnosis and monitoring of neurodegenerative diseases. …”
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Microscopic irreversibility by Karl Gustafson

“…A manifestation of this irreversibility may be seen during emission of bound-free photons during field-matter interactions. Entropy increase is tied to radiation increase, and the notion of heat bath becomes light bath.…”
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Topological Properties of Nanostar Dendrimer and Smart Polymer by Muhammad Aamer Rashid, Sarfraz Ahmad, Murat Cancan, Mehwish Hussain Muhammad

“…The nanostar dendrimers are a piece of another gathering of macromolecules that seem, by all accounts, to be photon pipes simply like counterfeit reception apparatuses. …”
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Machine-learning approach to understanding ultrafast carrier dynamics in the three-dimensional Brillouin zone of PtBi_{2} by Paulina Majchrzak, Charlotte Sanders, Yu Zhang, Andrii Kuibarov, Oleksandr Suvorov, Emma Springate, Iryna Kovalchuk, Saicharan Aswartham, Grigory Shipunov, Bernd Büchner, Alexander Yaresko, Sergey Borisenko, Philip Hofmann

“…Using the ability to change the probe photon energy over a wide range, we identify the predicted Weyl points in the unoccupied three-dimensional band structure and we discuss the effect of k_{⊥} broadening in the normally unoccupied states. …”
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Enhanced Reflected Group Delay with Optical Tamm State via Graphene-Dielectric Bragg Mirror Configuration by Jiao Tang, Jiao Xu, Hui Zhou, Zhiwei Zheng, Yuxiang Zhou, Rui Weng, Yueying Wei, Yue Liu, Qiwei Liu, Leyong Jiang, Shengyou Qian

“…Group delay of the optical pulse reflected from the structure composed of graphene and one dimensional photonic crystal (1D PC) is studied. It is shown that the large negative group delay in this configuration can be realized due to the excitation of the optical Tamm state (OTS) at a graphene-dielectric interface. …”
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Anomalous tqγ Couplings in γp Collision at the LHC by M. Köksal, S. C. İnan

“…We have examined the constraints on the anomalous tqγ  (q=u,c) couplings through the process pp→pγp→pWbX at the LHC by considering four forward detector acceptances: 0.0015<ξ<0.5, 0.0015<ξ<0.15, 0.015<ξ<0.15, and 0.1<ξ<0.5, where ξ=Eγ/E with Eγ and E the energies of the photon and of the incoming proton, respectively. The sensitivity bounds on the anomalous couplings have been obtained at the 95% confidence level in a model independent effective Lagrangian approach. …”
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Effect of Thickness on Structural and Optical Properties of Tetra-tert- butyl-2, 3-naphthalocyanine Thin Films by I. Dhanya, C S Menon

“…Various optical constants like band gap energy, Eg the width of band tails of localized states into the gap, EU and steepness parameter, β gets calculated and the variation of different optical parameters like refractive index, extinction coefficient, dielectric constants, optical conductivity and surface and volume energy losses with photon energy are estimated.…”
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Tailing and axisymmetric static laser beam shapes to steer microstructure and improve mechanical properties of autogenously laser welded AA6082 alloy by Venkat Vivek Pamarthi, Tianzhu Sun, Abhishek Das, Qamar Hayat, Alexander Griffiths, Lewis Johnson, Pasquale Franciosa

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Operando phase mapping in multi-material laser powder bed fusion by Shieren Sumarli, Florencia Malamud, Steven Van Petegem, Steve Gaudez, Antonios Baganis, Matteo Busi, Efthymios Polatidis, Christian Leinenbach, Roland E. Logé, Markus Strobl

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Predicting the presence of tephra layers in lacustrine deposits using spectral gamma ray data: An example from Lake Chalco, Mexico City. by Mehrdad Sardar Abadi, Christian Zeeden, Arne Ulfers, Alex Susan Meyer, Thomas Wonik, Mexidrill team

“…Gamma rays are composed of photons, which are elementary particles of electromagnetic radiation. …”
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