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Non-equilibrium finite temperature dynamics of magnetic quantum systems: applications to spin-polarized scanning tunneling microscopy

K Them, T Stapelfeldt, E Y Vedmedenko, R Wiesendanger • New Journal of Physics (2013)

We calculated the real-time non-equilibrium dynamics of quantum spin systems at finite temperatures. The mathematical framework originates from the C *-approach to quantum statistical mechanics and was applied to the samples investigated by...

DOAJ Open Access (DOAJ) DOI: 10.1088/1367-2630/15/1/013009

Effect of Different Downward Loads and Rotational Speeds on the Removal of Gutta-Percha and Root Canal Sealer Using a Nickel-Titanium Rotary Gutta-Percha Removal System: An Ex Vivo Study

Koki Toyoda, Shunsuke Kimura, Keiichiro Maki, Satoshi Omori et al. • Applied Sciences (2025)

Effective gutta-percha/sealer removal is essential for predictable nonsurgical endodontic retreatment, but the effects of key operational parameters on nickel–titanium rotary removal instruments remain insufficiently understood. This study ...

DOAJ Open Access (DOAJ) DOI: 10.3390/app16010446

High Dose MicroCT Does Not Contribute Toward Improved MicroPET/CT Image Quantitative Accuracy and Can Limit Longitudinal Scanning of Small Animals

Wendy A. McDougald, Richard Collins, Mark Green, Adriana A. S. Tavares • Frontiers in Physics (2017)

Obtaining accurate quantitative measurements in preclinical Positron Emission Tomography/Computed Tomography (PET/CT) imaging is of paramount importance in biomedical research and helps supporting efficient translation of preclinical result...

DOAJ Open Access (DOAJ) DOI: 10.3389/fphy.2017.00050

Pengembangan Media Pembelajaran Planetarium Gerhana sebagai Alat Bantu dalam Pembelajaran Ilmu Pengetahuan Bumi Antariksa (IPBA) pada Materi Gerhana

Vera Siska Pratiwi, Afrizal Mayub, Dedy Hamdani • Jurnal Kumparan Fisika (2018)

Penelitian ini bertujuan untuk mengembangkan media pembelajaran planetarium gerhana untuk pembelajaran IPBA. Mengetahui hasil uji coba media pembelajaran planetarium gerhana pada pembelajaran IPBA. Mengetahui respon dari para responden terh...

DOAJ Open Access (DOAJ)

Imaging the ring opening reaction of 1,3-cyclohexadiene with MeV ultrafast electron diffraction

Wolf Thomas J. A., Yang Jie, Sanchez David M., Nunes J. Pedro. F. et al. • EPJ Web of Conferences (2019)

We resolve the structural dynamics of the ultrafast photoinduced ring opening reaction of 1,3-cyclohexadiene in space and time employing megaelectronvolt gas phase ultrafast electron diffraction. We, furthermore, observe coherent large ampl...

DOAJ Open Access (DOAJ) DOI: 10.1051/epjconf/201920507006

Pengaruh Model Project Based Learning Berbantuan Media Virtual Terhadap Penguasaan Konsep Peserta didik pada Materi Alat-alat Optik

Ni Made Yeni Suranti, Gunawan Gunawan, Hairunnisyah Sahidu • JPFT (Jurnal Pendidikan Fisika dan Teknologi) (2017)

Learning physics should be able to provide an understanding physics of abstract concepts. One of the efforts being made to improve the learning of Physics is to use appropriate learning model. This study aims to improve the student’s...

DOAJ Open Access (DOAJ) DOI: 10.29303/jpft.v2i2.292

Conceptual assessment tool for advanced undergraduate electrodynamics

Charles Baily, Qing X. Ryan, Cecilia Astolfi, Steven J. Pollock • Physical Review Physics Education Research (2017)

As part of ongoing investigations into student learning in advanced undergraduate courses, we have developed a conceptual assessment tool for upper-division electrodynamics (E&M II): the Colorado UppeR-division ElectrodyNamics Test (CURrENT...

DOAJ Open Access (DOAJ) DOI: 10.1103/PhysRevPhysEducRes.13.020113

Effectiveness of guided group work in graduate level quantum mechanics

C. D. Porter, A. F. Heckler • Physical Review Physics Education Research (2020)

We investigate the effects of guided group work sessions on graduate student performance on a quantum mechanics assessment. Data from a single large Midwestern university were taken over a five-year period, during which guided group work se...

DOAJ Open Access (DOAJ) DOI: 10.1103/PhysRevPhysEducRes.16.020127

Sensitivity of aerosol and cloud properties to coupling strength of marine boundary layer clouds over the northwest Atlantic

K. Zeider, K. McCauley, K. McCauley, S. Dmitrovic et al. • Atmospheric Chemistry and Physics (2025)

Quantifying the degree of coupling between marine boundary layer (MBL) clouds and the surface is critical for understanding the evolution of low clouds and explaining the vertical distribution of aerosols and microphysical cloud properties....

DOAJ Open Access (DOAJ) DOI: 10.5194/acp-25-2407-2025

Simulation of the synergistic effect of multiple operation parameters on cavity soliton in nonlinear fiber resonator

Haiyang Liu, Zhe Li, Zeqiu Hu, Lu Liu et al. • Results in Physics (2024)

All optical soliton communication is a new generation of ultra-long distance and ultra-high speed optical fiber communication technology. Optical cavity solitons (CSs), whose pulse property is unique, have shown great potentials in optical ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.rinp.2024.107821

Advances of aptamers in esophageal cancer diagnosis, treatment and drug delivery

Yang Fei, Hui Xu, Chunwei Zhang, Jingjing Wang et al. • Beilstein Journal of Nanotechnology (2025)

Esophageal cancer (EC) is a common malignant tumor of the digestive tract with poor prognosis and high mortality. The early diagnosis of EC mainly depends on endoscopic diagnosis, which not only needs to bear certain economic pressure, but ...

DOAJ Open Access (DOAJ) DOI: 10.3762/bjnano.16.121

Optimization of cationic nanoparticles stabilized by poloxamer 188: A potential approach for improving the biological activity of Aloe perryi

Tahany Saleh Aldayel, Mohamed M. Badran, Abdullah H. Alomrani, Nora A. AlFaris et al. • Heliyon (2023)

Aloe perryi (AP) has gained considerable interest as a medicinal herb in various biological applications due to its rich phytochemical composition. However, the therapeutic benefits of AP could be potentiated by utilizing nanotechnology. Mo...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.heliyon.2023.e22691

Forecasting Warping Deformation Using Multivariate Thermal Time Series and K-Nearest Neighbors in Fused Deposition Modeling

Donghwan Song, Adrian Matias Chung Baek, Jageon Koo, Moise Busogi et al. • Applied Sciences (2020)

Over the past decades, additive manufacturing has rapidly advanced due to its advantages in enabling diverse material usage and complex design production. Nevertheless, the technology has limitations in terms of quality, as printed products...

DOAJ Open Access (DOAJ) DOI: 10.3390/app10248951