Results 31 to 40 of about 2,733,931 (359)

Trans-Planckian footprints in inflationary cosmology [PDF]

, 2003
We consider a minimum uncertainty vacuum choice at a fixed energy scale Lambda as an effective description of trans-Planckian physics, and discuss its implications for the linear perturbations of a massless scalar field in power-law inflationary models ...
A Tronconi, Abbott, Abel, Alberghi, Amelino-Camelia, Benczik, Brandenberger, Brandenberger, Brandenberger, Casadio, Danielsson, Danielsson, Danielsson, Easther, Easther, G.L Alberghi, Goldstein, Goldstein, Hassan, Kaloper, Kempf, Kempf, Kowalski-Glikman, Liddle, Linde, Lizzi, Magueijo, Magueijo, Martin, Mersini, Niemeyer, Polarski, R Casadio, Shankaranarayanan, Tronconi   +34 more
core   +2 more sources

Physics in geothermal power plants [PDF]

Journal of Physics: Conference Series, 2019
Abstract Many students dont like physics because they feel far away from physics. Therefore physics must be made closer to students through contextual physics. This paper wants to describe the physical concepts that exist in geothermal power plants. The method used is Research and Development (R & D) with the ADDIE model design.
Yayu Nurhayati Rahayu, M. F. Millah, Dindin Nasrudin, Chaerul Rochman, Diah Mulhayatiah, D. Nopilawati   +5 more
openaire   +1 more source

First-Principles Study on Optic-Electronic Properties of Charge-Ordered Indium Halide Perovskite Cs2In(I)In(III)Cl6 at High Pressure

Frontiers in Nanotechnology, 2021
Using the first principle method we studied, theoretically and in detail, the structural, optical, and electronic properties of a charge-ordered indium halide perovskite Cs2In(I)In(III)Cl6 at high pressure.
Yajing Wang, Shunwei Yao, Xiaolin Liu, Guohong Chen, Lin Peng   +4 more
doaj   +1 more source

Measurement of (n,α) cross section for set of structural material isotopes

EPJ Web of Conferences, 2017
A novel spectrometer was developed and used to measure the cross section for the (n,α) reaction at IPPE. Direct measurements of the α-particles yield from solid isotopic pure targets of 50, 52 and 53 chromium, 54 and 57 iron, 60 nickel, and 64 zinc were ...
Khryachkov Vitaly, Gurbich Alexander, Khromyleva Tatiana, Bondarenko Ivan, Ketlerov Vladimir, Prusachenko Pavel   +5 more
doaj   +1 more source

Closed-loop controller based on reference signal tracking for absence seizures

Scientific Reports, 2022
Absent epilepsy is a kind of refractory epilepsy, which is characterized by 2–4 Hz spike and wave discharges (SWDs) in electroencephalogram. Open-loop deep brain stimulation (DBS) targeting the thalamic reticular nucleus (TRN) is an effective method to ...
Hudong Zhang, Yuting Chen, Yan Xie, Yuan Chai   +3 more
doaj   +1 more source

The Performance of the Two-Seeded GdBCO Superconductor Bulk with the Buffer by the Modified TSMG Method

Micromachines, 2023
The multiseeding technique is a method to grow large-sized REBa2Cu3O7−δ (REBCO, where RE is a rare earth element) high temperature superconducting bulks.
Yufeng Zhang, Chunyan Li, Ziwei Lou, Penghe Zhang, Yan Zhang, Shuangyuan Shen, Guanjie Ruan, Jiaying Zhang   +7 more
doaj   +1 more source

Superconducting Power Generation [PDF]

IEEE Power Engineering Review 20 No.5 (2000) pp.8 - 11, 2003
The superconducting ac generator has the greatest potential for large-scale commercial application of superconductivity that can benefit the public. Electric power is a vital ingredient of modern society, and generation may be considered to be the vital ingredient of a power system.
arxiv   +1 more source

Analysis of the strong vertices of $$\Sigma _{c}\Delta D^{*}$$ Σ c Δ D ∗ and $$\Sigma _{b}\Delta B^{*}$$ Σ b Δ B ∗ in QCD sum rules

European Physical Journal C: Particles and Fields, 2023
In this work, we analyze the strong vertices $$\Sigma _{c}\Delta D^{*}$$ Σ c Δ D ∗ and $$\Sigma _{b}\Delta B^{*}$$ Σ b Δ B ∗ using the three-point QCD sum rules under the tensor structures $$i\epsilon ^{\rho \tau \alpha \beta }p_{\alpha }p_{\beta }$$ i ϵ
Jie Lu, Guo-Liang Yu, Zhi-Gang Wang, Bin Wu   +3 more
doaj   +1 more source

Trans-Planckian Scale and Krein Space Quantization [PDF]

, 2012
In this work, Krein space quantization method is applied to eliminate the Ultraviolet divergence of Green functions. This paper shows that the power spectrum of scalar field fluctuations can be calculated in the limit of short distance physics, trans ...
Mohsenzadeh, M., Sojasi, A.
core   +1 more source

Dynamic effect of electromagnetic induction on epileptic waveform

BMC Neuroscience, 2022
Background Electromagnetic induction has recently been considered as an important factor affecting the activity of neurons. However, as an important form of intervention in epilepsy treatment, few people have linked the two, especially the related ...
Yuqin Sun, Yuting Chen, Hudong Zhang, Yuan Chai   +3 more
doaj   +1 more source